Machine learning predictions based on historical earnings data and price patterns
1-Day Prediction
-2.25%
$9.69
0% positive prob.
5-Day Prediction
-5.08%
$9.41
0% positive prob.
20-Day Prediction
-9.72%
$8.95
0% positive prob.
SEC 8-K filings with transcript text
Feb 26, 2026 · 100% conf.
1D
-2.25%
$9.69
Act: +2.07%
5D
-5.08%
$9.41
Act: +1.51%
20D
-9.72%
$8.95
8-K
0000926282false00009262822026-02-252026-02-25
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): February 25, 2026
ADTRAN Holdings, Inc. (Exact name of Registrant as Specified in Its Charter)
Delaware
001-41446
87-2164282
(State or Other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
901 Explorer Boulevard
Huntsville, Alabama
35806-2807
(Address of Principal Executive Offices)
(Zip Code)
Registrant’s Telephone Number, Including Area Code: (256) 963-8000
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: ☐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, Par Value $0.01 per share
Nasdaq Global Select Market
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 25, 2026, ADTRAN Holdings, Inc. (“ADTRAN”) announced its financial results for the quarter and fiscal year ended December 31, 2025. A copy of ADTRAN’s press release announcing its financial results is attached as Exhibit 99.1 hereto and incorporated by reference herein. Item 7.01 Regulation FD Disclosure. Executives from ADTRAN will review the financial results via a live audio webcast on Thursday, February 26, 2026, at 7:30 a.m. Central Time, or 2:30 p.m. Central European Time. A copy of the investor presentation provided in connection with that review is attached as Exhibit 99.2 and incorporated by reference herein. An archived recording of the webcast will be available for a limited time on ADTRAN's Investor Relations page at https://investors.adtran.com. The information included in, or incorporated into, Items 2.02 and 7.01 of this Current Report on Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. Item 9.01 Financial Statements and Exhibits.
Exhibit Number
Description
99.1
Press Release dated February 25, 2026
99.2
Visual Presentation of February 26, 2026
104
Cover Page Interactive Data File – the cover page iXBRL tags are embedded within the Inline XBRL document
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 hereunto duly authorized.
ADTRAN Holdings, Inc.
Date:
February 26, 2026
By:
/s/ Timothy Santo
Timothy Santo Senior Vice President of Finance and Chief Financial Officer
Jan 22, 2026 · 100% conf.
1D
-2.25%
$9.69
Act: +2.07%
5D
-5.08%
$9.41
Act: +1.51%
20D
-9.72%
$8.95
8-K
false000092628200009262822026-01-212026-01-21
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): January 21, 2026
ADTRAN Holdings, Inc. (Exact name of Registrant as Specified in Its Charter)
Delaware
001-41446
87-2164282
(State or Other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
901 Explorer Boulevard
Huntsville, Alabama
35806-2807
(Address of Principal Executive Offices)
(Zip Code)
Registrant’s Telephone Number, Including Area Code: (256) 963-8000
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: ☐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, Par Value $0.01 per share
Nasdaq Global Select Market
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 January 21, 2026, ADTRAN Holdings, Inc. (“ADTRAN”) announced certain preliminary financial results for the fiscal quarter and year ended December 31, 2025. A copy of ADTRAN’s press release announcing certain preliminary financial results is attached as Exhibit 99.1 hereto and incorporated by reference in this Item 2.02. Item 7.01 Regulation FD Disclosure. As a company listed on the Frankfurt Stock Exchange, ADTRAN is subject to German and European securities laws. Article 17 of the Market Abuse Regulation (EU) No. 596/2014 (the "MAR") of the European Parliament and of the Council of 16 April 2014 mandates that listed issuers such as ADTRAN provide real time disclosure in certain circumstances, including where management’s expected results materially deviate from previously announced guidance or analyst consensus. On January 21, 2026, ADTRAN published an ad hoc announcement in Germany disclosing certain preliminary financial results for the fiscal quarter ended December 31, 2025 in accordance with the MAR. A copy of ADTRAN’s ad hoc announcement is attached as Exhibit 99.2 hereto and incorporated by reference in this Item 7.01. The information included in, or incorporated into, Items 2.02 and 7.01 of this Current Report on Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. Item 9.01 Financial Statements and Exhibits.
Exhibit Number
Description
99.1
Press Release dated January 21, 2026
99.2
Ad Hoc Notification dated January 21, 2026 (English translation)
104
Cover Page Interactive Data File – the cover page iXBRL tags are embedded within the Inline XBRL document
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 hereunto duly authorized.
ADTRAN Holdings, Inc.
Date:
January 21, 2026
By:
/s/ Timothy Santo
Timothy Santo Senior Vice President of Finance and Chief Financial Officer
Nov 4, 2025
8-K
0000926282false00009262822025-11-032025-11-03
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): November 03, 2025
ADTRAN Holdings, Inc. (Exact name of Registrant as Specified in Its Charter)
Delaware
001-41446
87-2164282
(State or Other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
901 Explorer Boulevard
Huntsville, Alabama
35806-2807
(Address of Principal Executive Offices)
(Zip Code)
Registrant’s Telephone Number, Including Area Code: 256 963-8000
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: ☐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, Par Value $0.01 per share
Nasdaq Global Select Market
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 November 3, 2025, ADTRAN Holdings, Inc. (“ADTRAN”) announced its financial results for the third quarter ended September 30, 2025. A copy of ADTRAN’s press release announcing its financial results is attached as Exhibit 99.1 hereto and incorporated by reference herein. Item 7.01 Regulation FD Disclosure. Executives from ADTRAN will review the financial results via a live audio webcast on Tuesday, November 4, 2025, at 9:30 a.m. Central Time, or 4:30 p.m. Central European Time. A copy of the investor presentation provided in connection with that review is attached as Exhibit 99.2 and incorporated by reference herein. An archived recording of the webcast will be available for a limited time on ADTRAN's Investor Relations page at https://investors.adtran.com. The information included in, or incorporated into, Items 2.02 and 7.01 of this Current Report on Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. Item 9.01 Financial Statements and Exhibits.
Exhibit Number
Description
99.1
Press Release dated November 3, 2025
99.2
Visual Presentation of November 4, 2025
104
Cover Page Interactive Data File – the cover page iXBRL tags are embedded within the Inline XBRL document
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 hereunto duly authorized.
ADTRAN Holdings, Inc.
Date:
November 4, 2025
By:
/s/ Timothy Santo
Timothy Santo Senior Vice President of Finance and Chief Financial Officer
This page provides ADTRAN Holdings Inc. (ADTN) 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 ADTN'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.