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AI Earnings Predictions for Ciena Corporation (CIEN)

Machine learning predictions based on historical earnings data and price patterns

Latest Prediction

BUY

1-Day Prediction

+0.47%

$317.98

91% positive prob.

5-Day Prediction

+5.56%

$334.06

91% positive prob.

20-Day Prediction

+16.18%

$367.68

86% positive prob.

Price at prediction: $316.48 Confidence: 81.2% Model AUC: 1.0000 Quarter: Q2 2026

Historical Earnings Predictions

Quarter Signal 1D Return 5D Return 20D Return Confidence Actual 5D
Q2 2026 BUY +0.47% +5.56% +16.18% 81.2% Pending
Q1 2026 BUY +0.52% +6.13% +17.86% 100.0% -16.76%
Q4 2025 SELL -7.78% -6.64% -1.29% 100.0% +12.54%

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2026
Q2

Q2 2026 Earnings

8-K BUY

Sep 3, 2026 · 81% conf.

AI Prediction BUY

1D

+0.47%

$317.98

Act: +1.43%

5D

+5.56%

$334.06

20D

+16.18%

$367.68

Price: $316.48 Prob +5D: 91% AUC: 1.000
0001628280-26-060245

EX-99.1

2 ex9912026q3earningspressre.htm

EX-99.1

Document

FOR IMMEDIATE RELEASE

Ciena Reports Fiscal Third Quarter 2026 Financial Results

Summary

•Fiscal third quarter 2026 revenue was $1.67 billion, up 37% year-over-year

•Fiscal third quarter 2026 adjusted Earnings Per Share (EPS) was $2.11, an increase of 215% compared to fiscal third quarter 2025

•Providing revenue guidance for fiscal fourth quarter 2026 of $1.75 billion plus or minus $50 million

•Raising revenue guidance for fiscal year 2026 to $6.42 billion plus or minus $50 million, a 35% increase year-over-year at the midpoint

FULTON, Md. - September 3, 2026 - Ciena® Corporation (NYSE: CIEN) today announced financial results for its fiscal third quarter ended August 1, 2026.

"Today’s outstanding financial performance demonstrates Ciena’s leadership in providing industry-leading, high-speed connectivity solutions as AI continues to drive compounding waves of network investment,” said Gary Smith, president and CEO, Ciena. “As the only pure-play optical systems and interconnects provider, Ciena’s unmatched combination of incumbency, technology innovation, and deep expertise gives us a powerful competitive edge."

"Our record fiscal third quarter results reflect Ciena’s ability to deliver increasingly profitable growth while positioning for future opportunities,” said Marc Graff, Ciena’s Chief Financial Officer. “Our expanding supply capacity, strengthening business fundamentals, and increasing operating leverage set the stage to continue to accelerate earnings and deliver long-term value for customers and shareholders.”

Performance Summary for Fiscal Third Quarter Ended August 1, 2026

Revenue:

•$1.67 billion in the fiscal third quarter 2026, compared to $1.22 billion in the fiscal third quarter 2025

Net Income per diluted share:

•$1.83 GAAP and $2.11 adjusted (non-GAAP) for the fiscal third quarter 2026, compared to $0.35 and $0.67 for fiscal third quarter 2025, respectively

The tables below (in millions, except percentage data) provide comparisons of certain quarterly results. Appendices A and B set forth reconciliations between the GAAP and adjusted (non-GAAP) measures contained in this release.

1

GAAP Results (unaudited)Non-GAAP Results (unaudited)

Quarter EndedPeriodQuarter EndedPeriod

August 1,August 2,ChangeAugust 1,August 2,Change

20262025Y-T-Y*20262025Y-T-Y*

Revenue$1,671.1 $1,219.4 37.0 %$1,671.1 $1,219.4 37.0 %

Gross margin45.4 %41.3 %4.1 %46.4 %41.9 %4.5 %

Operating expense$458.1 $429.5 6.6 %$400.0 $380.2 5.2 %

Operating margin18.0 %6.1 %11.9 %22.5 %10.7 %11.8 %

EBITDA$349.9 $109.2 220.4 %$411.1 $158.0 160.2 %

* Denotes % change, or in the case of margin, absolute change

Business Outlook

Ciena expects fiscal fourth quarter 2026 to include:

•Revenue of $1.75B billion plus or minus $50 million

•Adjusted (non-GAAP) gross margin in the range of 45% plus or minus 50 bps

•Adjusted (non-GAAP) operating expense in the range of $415 million plus or minus $10 million

•Adjusted (non-GAAP) operating margin in the range of 20% plus or minus 50 bps

Statements relating to business outlook are forward-looking in nature and actual results may differ materially. These statements should be read in the context of the "Key assumptions underlying our outlook" in our accompanying Earnings Presentation and each of the "Forward-Looking Statements" and "Reconciliation of Adjusted (Non- GAAP) Measurements" found in the Notes to Investors below.

Financial Highlights for the Fiscal Third Quarter 2026

•Two customers represented 10%-plus of revenue for a total of 41.7% of revenue.

•Average days' sales outstanding (DSOs) were 76.

•Inventory turns were 3.5.

•Repurchased approximately 0.4 million shares of common stock for an aggregate price of $171.7 million under the $1 billion share repurchase program.

2

Financial Performance by Segment

Revenue by Segment (unaudited)

Quarter Ended

August 1, 2026August 2, 2025

Revenue%**Revenue%**

Networking Platforms

Optical Networking$1,191.3 71.3 $815.5 66.9

Routing and Switching164.4 9.8 125.9 10.3

Total Networking Platforms1,355.7 81.1 941.4 77.2

Platform Software and Services98.6 5.9 90.0 7.4

Blue Planet Automation Software and Services23.2 1.4 27.8 2.3

Global Services

Maintenance, Support, and Learning89.8 5.4 80.7 6.6

Implementation87.9 5.3 65.9 5.4

Advisory and Enablement15.9 0.9 13.6 1.1

Total Global Services193.6 11.6 160.2 13.1

Total$1,671.1 100.0 $1,219.4 100.0

** Denotes % of total revenue

Supplemental Materials and Live Web Broadcast of Unaudited Fiscal Third Quarter 2026 Results

Today, Thursday, September 3, 2026, in conjunction with this announcement, Ciena has posted to the Quarterly Results page of the Investor Relations section of its website certain related supporting materials for its unaudited fiscal third quarter 2026 results.

Ciena's management will also host a discussion today with investors and financial analysts that will include the Company's out

2026
Q1

Q1 2026 Earnings

8-K BUY

Jun 4, 2026 · 100% conf.

AI Prediction BUY

1D

+0.52%

$537.66

Act: -8.21%

5D

+6.13%

$567.67

Act: -16.76%

20D

+17.86%

$630.40

Price: $534.87 Prob +5D: 100% AUC: 1.000
0001628280-26-040614

EX-99.1

2 ex9912026q2earningspressre.htm

EX-99.1

Document

FOR IMMEDIATE RELEASE

Ciena Reports Fiscal Second Quarter 2026 Financial Results

Summary

•Fiscal second quarter 2026 revenue was $1.57 billion, up 40% year-over-year

•Fiscal second quarter 2026 adjusted Earnings Per Share (EPS) was $1.64, an increase of 290% compared to fiscal second quarter 2025

•Providing revenue guidance for fiscal third quarter 2026 of $1.625 billion plus or minus $50 million

•Raising revenue guidance for fiscal year 2026 to $6.3 billion plus or minus $100 million, a 32% increase YoY at the midpoint

HANOVER, Md. - June 4, 2026 - Ciena® Corporation (NYSE: CIEN) today announced financial results for its fiscal second quarter ended May 2, 2026.

"Today's results reflect the strength of our portfolio, the power of our business model, and disciplined execution in a dynamic supply environment," said Gary Smith, president and CEO, Ciena. "Our long-term strategy to be the global leader in high-speed connectivity - both across the WAN and in and around the data center - is tightly aligned to the structural, multi-year opportunities created by AI-driven demand, positioning us to capitalize on market dynamics and drive sustained, profitable growth."

"We delivered strong fiscal second quarter results, marked by significant year-over-year revenue growth, adjusted gross margin expansion, and nearly fourfold growth in adjusted earnings per share," said Marc Graff, Ciena’s Chief Financial Officer. "Our demonstrated ability to drive operating leverage gives us confidence in continued earnings expansion and long-term value creation for customers and shareholders."

Performance Summary for Fiscal Second Quarter Ended May 2, 2026

Revenue:

•$1.57 billion in the fiscal second quarter 2026, compared to $1.13 billion in the fiscal second quarter 2025

Net Income per diluted share:

•$1.49 GAAP and $1.64 adjusted (non-GAAP) for the fiscal second quarter 2026, compared to $0.06 and $0.42 for fiscal second quarter 2025, respectively

The tables below (in millions, except percentage data) provide comparisons of certain quarterly results. Appendices A and B set forth reconciliations between the GAAP and adjusted (non-GAAP) measures contained in this release.

1

GAAP Results (unaudited)Non-GAAP Results (unaudited)

Quarter EndedPeriodQuarter EndedPeriod

May 2,May 3,ChangeMay 2,May 3,Change

20262025Y-T-Y*20262025Y-T-Y*

Revenue$1,570.7 $1,125.9 39.5 %$1,570.7 $1,125.9 39.5 %

Gross margin44.0 %40.2 %3.8 %44.9 %41.0 %3.9 %

Operating expense$453.7 $420.0 8.0 %$397.8 $369.5 7.7 %

Operating margin15.1 %2.9 %12.2 %19.5 %8.2 %11.3 %

EBITDA$283.1 $66.7 324.4 %$341.8 $116.7 192.9 %

* Denotes % change, or in the case of margin, absolute change

Business Outlook

Ciena expects fiscal third quarter 2026 to include:

•Revenue of $1.625B billion plus or minus $50 million

•Adjusted (non-GAAP) gross margin in the range of 45% plus or minus 50 bps

•Adjusted (non-GAAP) operating expense in the range of $410 million plus or minus $10 million

•Adjusted (non-GAAP) operating margin between 19% and 20%

Ciena expects fiscal year 2026 to include:

•Revenue of $6.3 billion plus or minus $100 million

•Adjusted (non-GAAP) gross margin between 44.5% and 45%

•Adjusted (non-GAAP) operating expense in the range of $1.61 billion plus or minus $20 million

•Adjusted (non-GAAP) operating margin in the range of 19% plus or minus 50bps

Statements relating to business outlook are forward-looking in nature and actual results may differ materially. These statements should be read in the context of the "Key assumptions underlying our outlook" in our accompanying Earnings Presentation and each of the "Forward-Looking Statements" and "Reconciliation of Adjusted (Non- GAAP) Measurements" found in the Notes to Investors below.

Financial Highlights for the Fiscal Second Quarter 2026

•Two customers represented 10%-plus of revenue for a total of 34.0% of revenue.

•Average days' sales outstanding (DSOs) were 71.

•Inventory turns were 3.6.

•Repurchased approximately 0.2 million shares of common stock for an aggregate price of $83.1 million under the $1 billion share repurchase program.

2

Financial Performance by Segment

Revenue by Segment (unaudited)

Quarter Ended

May 2, 2026May 3, 2025

Revenue%**Revenue%**

Networking Platforms

Optical Networking$1,099.8 70.0 $773.6 68.7

Routing and Switching174.2 11.1 92.7 8.2

Total Networking Platforms1,274.0 81.1 866.3 76.9

Platform Software and Services93.9 6.0 85.4 7.5

Blue Planet Automation Software and Services23.4 1.5 28.0 2.5

Global Services

Maintenance, Support, and Learning89.3 5.7 79.4 7.1

Implementation79.7 5.1 58.2 5.2

Advisory and Enablement10.4 0.6 8.6 0.8

Total Global Services179.4 11.4 146.2 13.1

Total$1,570.7 100.0 $1,125.9 100.0

** Denotes % of total revenue

Supplemental Materials and Live Web Broadcast of Unaudited Fiscal Second Quarter 2026 Results

Today, Thursday, June 4, 2026, in conjunction wi

2025
Q4

Q4 2025 Earnings

8-K SELL

Mar 5, 2026 · 100% conf.

AI Prediction SELL

1D

-7.78%

$316.90

Act: -1.69%

5D

-6.64%

$320.80

Act: +12.54%

20D

-1.29%

$339.19

Price: $343.63 Prob +5D: 0% AUC: 1.000
0001628280-26-015006

cien-202603050000936395false00009363952026-03-052026-03-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 5, 2026

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On March 5, 2026, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal first quarter ended January 31, 2026. The text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this "Report"). As discussed in the press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal first quarter ended January 31, 2026.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the "Investors" section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number Description of Document

99.1 Text of Press Release dated March 5, 2026, issued by Ciena Corporation, reporting its results of operations for its fiscal first quarter ended January 31, 2026.

99.2 Investor Presentation for Ciena Corporation's fiscal first quarter ended January 31, 2026.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: March 5, 2026 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2025
Q3

Q3 2025 Earnings

8-K

Dec 11, 2025

0001628280-25-056425

cien-202512110000936395false00009363952025-12-112025-12-11

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 11, 2025

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On December 11, 2025, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal fourth quarter ended November 1, 2025. The text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this "Report"). As discussed in the press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal fourth quarter ended November 1, 2025.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the "Investors" section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number Description of Document

99.1 Text of Press Release dated December 11, 2025, issued by Ciena Corporation, reporting its results of operations for its fiscal fourth quarter ended November 1, 2025.

99.2 Investor Presentation for Ciena Corporation's fiscal fourth quarter ended November 1, 2025.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: December 11, 2025 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2025
Q2

Q2 2025 Earnings

8-K

Sep 4, 2025

0000936395-25-000037

cien-202509040000936395false00009363952025-09-042025-09-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 4, 2025

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On September 4, 2025, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal third quarter ended August 2, 2025. The text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this "Report"). As discussed in the press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal third quarter ended August, 2, 2025.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the "Investors" section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number Description of Document

99.1 Text of Press Release dated September 4, 2025, issued by Ciena Corporation, reporting its results of operations for its fiscal third quarter ended August 2, 2025.

99.2 Investor Presentation for Ciena Corporation's fiscal third quarter ended August 2, 2025.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: September 4, 2025 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2025
Q1

Q1 2025 Earnings

8-K

Jun 5, 2025

0000936395-25-000023

cien-202506050000936395false00009363952025-06-052025-06-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 5, 2025

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On June 5, 2025, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal second quarter ended May 3, 2025. The text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this "Report"). As discussed in the press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal second quarter ended May 3, 2025.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the "Investors" section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number Description of Document

99.1 Text of Press Release dated June 5, 2025, issued by Ciena Corporation, reporting its results of operations for its fiscal second quarter ended May 3, 2025.

99.2 Investor Presentation for Ciena Corporation's fiscal second quarter ended May 3, 2025.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: June 5, 2025 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2024
Q4

Q4 2024 Earnings

8-K

Mar 11, 2025

0000936395-25-000005

cien-202503110000936395false00009363952025-03-112025-03-11

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 11, 2025

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On March 11, 2025, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal first quarter ended February 1, 2025. The text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this "Report"). As discussed in the press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal first quarter ended February 1, 2025.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the "Investors" section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

Item 9.01 Financial Statements and Exhibits.

Exhibit Number Description of Document

99.1 Text of Press Release dated March 11, 2025, issued by Ciena Corporation, reporting its results of operations for its fiscal first quarter ended February 1, 2025.

99.2 Investor Presentation for Ciena Corporation's fiscal first quarter ended February 1, 2025.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: March 11, 2025 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2024
Q3

Q3 2024 Earnings

8-K

Dec 12, 2024

0000936395-24-000037

8-K 1 a8-k2024q4earningsresults.htm 8-K

Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 12, 2024

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition. On December 12, 2024, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal fourth quarter ended November 2, 2024. The text of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this "Report"). As discussed in the press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal fourth quarter ended November 2, 2024.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the "Investors" section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On December 11, 2024, Patrick H. Nettles, Ph.D., Executive Chair of Ciena’s Board of Directors (the “Board”), notified Ciena of his planned retirement and that he would not stand for re-election as a director at the end of his term at Ciena's 2025 Annual Meeting of Stockholders (the "Annual Meeting"). In connection with this decision, Dr. Nettles stepped down from his position as Executive Chair of the Board effective December 11, 2024. The Board has approved a decrease in the size of the Board from ten to nine directors, effective upon Dr. Nettles's departure from the Board following the Annual Meeting. The Board appointed Lawton W. Fitt as independent Chair of the Board in connection with and effective as of Dr. Nettles stepping down as Executive Chair. In connection with Ms. Fitt's appointment as independent Chair, the Board appointed Devinder Kumar to replace Ms. Fitt as chair of the Audit Committee of the Board, effective January 1, 2025.

As previously announced, Andrew C. Petrik, Ciena's Vice President, Principal Accounting Officer and Controller, will retire effective April 25, 2025. In connection with Mr. Petrik’s planned retirement, effective immediately following the filing of Ciena’s Annual Report on Form 10-K for the fiscal year ended November 2, 2024 with the Securities and Exchange Commission (the "SEC"), Mr. Petrik will cease to be Ciena's principal accounting officer and James E. Moylan, Jr., 73, our Sen

2024
Q2

Q2 2024 Earnings

8-K

Sep 4, 2024

0000936395-24-000030

cien-202409040000936395false00009363952024-09-042024-09-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 4, 2024

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On September 4, 2024, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal third quarter ended July 27, 2024. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal third quarter ended July 27, 2024.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 5.02 - DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS On August 28, 2024, James E. Moylan, Jr., (age 73), Senior Vice President and Chief Financial Officer, notified Ciena of his decision to retire in twelve months, effective August 28, 2025 (the “Effective Date”), following more than 16 years of dedicated and distinguished service in such role.

Ciena is commencing a search process to identify Mr. Moylan's successor. Mr. Moylan and Ciena expect that he will continue in his role until such time as his successor is in place and responsibilities have been transitioned, and that he will remain an employee and continue to provide support until the Effective Date.

In connection with this announcement, Ciena issued a press release, which is furnished as Exhibit 99.3 to this Report.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated September 4, 2024, issued by Ciena Corporation, reporting its results of operations for its fiscal third quarter ended July 27, 2024.

Exhibit 99.2 Investor Presentation for Ciena Corporation's fiscal third quarter ended July 27, 2024.

Exhibit 99.3Text of Press Release, dated September 4, 2024, issued by Ciena Corporation, announcing the planned retirement of James E. Moylan, Jr., Senior Vice President and Chief Financial Officer.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the reg

2024
Q1

Q1 2024 Earnings

8-K

Jun 6, 2024

0000936395-24-000022

cien-202406060000936395false00009363952024-06-062024-06-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 6, 2024

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On June 6, 2024, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal second quarter ended April 27, 2024. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal second quarter ended April 27, 2024.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated June 6, 2024, issued by Ciena Corporation, reporting its results of operations for its fiscal second quarter ended April 27, 2024.

Exhibit 99.2 Investor Presentation for Ciena Corporation's fiscal second quarter ended April 27, 2024.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: June 6, 2024 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2023
Q4

Q4 2023 Earnings

8-K

Mar 7, 2024

0000936395-24-000006

cien-202403070000936395false00009363952024-03-072024-03-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 7, 2024

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On March 7, 2024, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal first quarter ended January 27, 2024. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal first quarter ended January 27, 2024.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated March 7, 2024, issued by Ciena Corporation, reporting its results of operations for its fiscal first quarter ended January 27, 2024.

Exhibit 99.2 Investor Presentation for Ciena Corporation's fiscal first quarter ended January 27, 2024.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: March 7, 2024 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2023
Q3

Q3 2023 Earnings

8-K

Dec 7, 2023

0000936395-23-000041

cien-202312060000936395false00009363952023-12-072023-12-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 7, 2023

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On December 7, 2023, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal fourth quarter ended October 28, 2023. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal fourth quarter ended October 28, 2023. In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated December 7, 2023, issued by Ciena Corporation, reporting its results of operations for its fiscal fourth quarter ended October 28, 2023.

Exhibit 99.2 Investor Presentation for Ciena Corporation's fiscal fourth quarter ended October 28, 2023.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: December 7, 2023 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2023
Q2

Q2 2023 Earnings

8-K

Aug 31, 2023

0000936395-23-000030

cien-202308310000936395false00009363952023-08-312023-08-31

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 31, 2023

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On August 31, 2023, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal third quarter ended July 29, 2023. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal third quarter ended July 29, 2023. In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 5.02 - DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS (d) Effective August 30, 2023, the Board of Directors (the “Board”) of Ciena increased the size of the Board to ten directors and appointed Mary G. Puma to fill the newly created vacancy in Class II of the Board. The term of office for Class II directors does not expire until the 2026 Annual Meeting of Stockholders. However, in accordance with Ciena’s Amended and Restated Bylaws, Ms. Puma will stand for election at the 2024 Annual Meeting of stockholders to serve the remainder of the Class II term, or until her successor is duly elected and qualified. Also effective August 30, 2023, Ms. Puma was appointed to serve on the Audit Committee of the Board.

Ms. Puma, age 65, has served as Executive Chairperson of the board of directors of Axcelis Technologies, Inc. (“Axcelis”), a publicly traded company engaged in the supply of capital equipment for the semiconductor chip manufacturing industry, since May 2023. Ms. Puma previously served at Axcelis as President and Chief Executive Officer from January 2002 to May 2023, as President and Chief Operating Officer from July 2000 to January 2002, and as Chairperson of the Board from 2005 to 2015. In 1998, Ms. Puma became General Manager and Vice President of Axcelis’s predecessor, the Implant Systems Division of Eaton Corporation. Prior to joining Eaton Corporation in 1996, Ms. Puma spent 15 years in various marketing and general management positions at General Electric. Ms. Puma also currently serves on the boards of di

2023
Q1

Q1 2023 Earnings

8-K

Jun 6, 2023

0000936395-23-000024

cien-202306060000936395false00009363952023-06-062023-06-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 6, 2023

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On June 6, 2023, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal second quarter ended April 29, 2023. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal second quarter ended April 29, 2023. In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated June 6, 2023, issued by Ciena Corporation, reporting its results of operations for its second first quarter ended April 29, 2023.

Exhibit 99.2 Investor Presentation for Ciena Corporation's fiscal second quarter ended April 29, 2023.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: June 6, 2023 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2022
Q4

Q4 2022 Earnings

8-K

Mar 6, 2023

0000936395-23-000009

cien-202303060000936395false00009363952023-03-062023-03-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 6, 2023

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On March 6, 2023, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal first quarter ended January 28, 2023. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal first quarter ended January 28, 2023. In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated March 6, 2023, issued by Ciena Corporation, reporting its results of operations for its fiscal first quarter ended January 28, 2023.

Exhibit 99.2 Investor Presentation for Ciena Corporation's fiscal first quarter ended January 28, 2023.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: March 6, 2023 By: /s/ Sheela Kosaraju Sheela Kosaraju

Senior Vice President, General Counsel and Assistant Secretary

2022
Q3

Q3 2022 Earnings

8-K

Dec 8, 2022

0000936395-22-000058

cien-202212080000936395false00009363952022-12-082022-12-08

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 8, 2022

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On December 8, 2022, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fourth fiscal quarter ended October 29, 2022. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fourth fiscal quarter ended October 29, 2022. In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated December 8, 2022, issued by Ciena Corporation, reporting its results of operations for its fiscal fourth quarter and year ended October 29, 2022.

Exhibit 99.2 Investor Presentation for Ciena Corporation's fourth fiscal quarter and fiscal year ended October 29, 2022.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: December 8, 2022 By: /s/ David M. Rothenstein David M. Rothenstein

Senior Vice President, General Counsel and Secretary

2022
Q2

Q2 2022 Earnings

8-K

Sep 1, 2022

0000936395-22-000049

8-K 1 a8-k2022q3earningsrelease.htm 8-K

Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 1, 2022

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On September 1, 2022, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its third fiscal quarter ended July 30, 2022. The text of the press release is furnished as Exhibit 99.1 to this report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its third fiscal quarter ended July 30, 2022. In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report. The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

(d) The following exhibits are being filed herewith:

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated September 1, 2022, issued by Ciena Corporation, reporting its results of operations for its third fiscal quarter ended July 30, 2022.

Exhibit 99.2 Investor Presentation for Ciena Corporation's third fiscal quarter ended July 30, 2022.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: September 1, 2022 By: /S/ David M. Rothenstein David M. Rothenstein

Senior Vice President, General Counsel and Secretary

2022
Q1

Q1 2022 Earnings

8-K

Jun 2, 2022

0000936395-22-000042

cien-202206020000936395FALSE00009363952022-06-022022-06-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 2, 2022

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On June 2, 2022, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its second fiscal quarter ended April 30, 2022. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its second fiscal quarter ended April 30, 2022. In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report. The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

(d) The following exhibits are being filed herewith:

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated June 2, 2022, issued by Ciena Corporation, reporting its results of operations for its second fiscal quarter ended April 30, 2022.

Exhibit 99.2 Investor Presentation for Ciena Corporation's second fiscal quarter ended April 30, 2022.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: June 2, 2022 By: /S/ David M. Rothenstein David M. Rothenstein

Senior Vice President, General Counsel and Secretary

2021
Q4

Q4 2021 Earnings

8-K

Mar 7, 2022

0000936395-22-000024

cien-202203070000936395FALSE00009363952022-03-072022-03-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 7, 2022

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On March 7, 2022, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its first fiscal quarter ended January 29, 2022. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its first fiscal quarter ended January 29, 2022. In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report. The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

(d) The following exhibits are being filed herewith:

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated March 7, 2022, issued by Ciena Corporation, reporting its results of operations for its first fiscal quarter ended January 29, 2022.

Exhibit 99.2 Investor Presentation for Ciena Corporation's first fiscal quarter ended January 29, 2022.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: March 7, 2022 By: /S/ David M. Rothenstein David M. Rothenstein

Senior Vice President, General Counsel and Secretary

2021
Q4

Q4 2021 Earnings

8-K

Feb 15, 2022

0000936395-22-000016

cien-202202150000936395FALSE00009363952022-02-152022-02-15

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 15, 2022

Ciena Corporation (Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware (State or other jurisdiction of incorporation) 7035 Ridge Road, Hanover, MD (Address of principal executive offices)

23-2725311 (IRS Employer Identification No.) 21076 (Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered

Common stock, $0.01 par value

CIEN

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On February 15, 2022, Ciena Corporation ("Ciena") issued a press release announcing certain unaudited preliminary financial results for its first fiscal quarter ended January 29, 2022. The text of the press release is furnished as Exhibit 99.1 to this Report. All information in the press release is approximate due to the preliminary nature of the announcement and is subject to normal quarter-end accounting review. As discussed in this press release, Ciena will be hosting an investor call to discuss the unaudited preliminary financial results for its first fiscal quarter ended January 29, 2022.

The information in Exhibit 99.1, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

(d) The following exhibits are being filed herewith:

Exhibit Number Description of Document

Exhibit 99.1 Text of Press Release dated February 15, 2022, issued by Ciena Corporation, reporting certain unaudited preliminary financial results for its first fiscal quarter ended January 29, 2022.

Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Ciena Corporation

Date: February 15, 2022 By: /S/ David M. Rothenstein David M. Rothenstein

Senior Vice President, General Counsel and Secretary

About Ciena Corporation (CIEN) Earnings

This page provides Ciena Corporation (CIEN) earnings call transcripts from SEC 8-K filings along with AI-powered predictions for post-earnings price movements. Our machine learning models analyze historical earnings data, pre-earnings price patterns, volume changes, and volatility to predict 1-day, 5-day, and 20-day returns after each earnings release.

Earnings transcripts are sourced directly from SEC EDGAR filings. Predictions are generated using gradient boosting models trained on CIEN's historical earnings reactions. All predicted returns are shown as percentages, and predicted prices are calculated from the closing price at the time of prediction. Past performance does not guarantee future results.

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