ATEN

EX-99.1

2 q1-26exx9914282026earnings.htm

EX-99.1

Document

EXHIBIT 99.1

A10 Networks Reports Financial Results for the First Quarter of 2026

Strong Demand for AI Infrastructure Drives 13.4% Revenue Growth

SAN JOSE, Calif., April 28, 2026 -- A10 Networks, Inc. (NYSE: ATEN), a leading provider of secure application services and solutions, today announced financial results for its first quarter ended March 31, 2026.

First Quarter 2026 Financial Summary

•Quarterly revenue of $75.0 million (up 13.4% year-over-year).

•GAAP gross margin of 79.6%; non-GAAP gross margin of 80.6%.

•GAAP net income of $12.0 million, or $0.17 per diluted share, non-GAAP net income of $17.7 million, or $0.24 per diluted share.

•Non-GAAP Adjusted EBITDA of $22.5 million, representing 30.0% of revenue.

•The Company returned $6.8 million to investors, having repurchased 137,000 shares during the quarter at an average price of $18.13 per share for a total of $2.5 million and having paid $4.3 million in cash dividends in the quarter.

•The Board of Directors approved a quarterly cash dividend of $0.06 per share, payable June 1, 2026 to stockholders of record at the close of business on May 15, 2026.

•As of March 31, 2026, A10 had $369.8 million in cash, cash equivalents, and marketable securities.

A reconciliation between GAAP and non-GAAP information is contained in the financial statements below.

“AI-driven architectures are fundamentally increasing the volume, velocity, and complexity of network traffic, placing new demands on performance, availability, and security,” said Dhrupad Trivedi, President and Chief Executive Officer of A10 Networks. “AI is architecturally making the distinction between Enterprises and Service Providers obsolete, as the workloads and requirements are the same. A10 sits at a critical control point at the intersection of performance and security. Our investments and innovation focus have continued to drive strong demand resulting in expanded commitments from our top customers scaling AI infrastructure deployments.”

“Our model has continued to translate growth into increased profitability,” continued Trivedi. “We're actively managing industry-wide input supply dynamics for certain components, turning these challenges into growth opportunities. We remain confident to deliver full-year expectations for operating cash flow as first quarter results were impacted by routine time shifts. We believe our powerful combination of growth momentum, disciplined execution, and agile strategy positions us to drive strong financial performance. This is currently expected to continue to support the return of capital to our shareholders while we invest in innovation to help maintain our strategic advantages.”

Outlook

For 2026, A10 management reiterates their previous guidance given at their February Investor Day. Management currently expects:

•Full-year revenue growth of 10-12% over the prior year

•Adjusted EBITDA margin of between 28-30%

•EPS growth exceeding revenue growth rate, representing 12-14% growth year-over-year

Conference Call

Management will host a call at 1:30 p.m. Pacific time (4:30 p.m. Eastern time) today, April 28, 2026, to discuss these results. Interested parties may access the conference call by dialing (888) 506-0062 (toll-free) or (973) 528-0011 (international) and referencing access code: 360454.

A live audio webcast of the conference call will be accessible from the “Investor Relations” section of A10 Network’s website at investors.a10networks.com. The webcast will be archived for one year. A telephonic replay of the conference call will be available until May 12, 2026 and may be accessed by dialing (877) 481-4010 (toll-free) or (919) 882-2331 (international) and entering the passcode: 53873.

Forward-Looking Statements

This press release contains “forward-looking statements,” including statements regarding dividends and capital return, demand and market trends, strategy and competitive positioning, financial performance and profitability, supply chain management, and 2026 financial guidance. Forward-looking statements are subject to known and unknown risks and uncertainties and are based on assumptions that may prove to be incorrect, which could cause actual results to differ materially from those expected or implied by the forward-looking statements. Factors that may cause actual results to differ include any unforeseen need for capital which may require us to divert funds we may have otherwise used for the dividend program or stock repurchase program, which may in turn negatively impact our ability to administer the quarterly dividends or the repurchase of our common stock; a significant decline in global macroeconomic or political conditions that have an adverse impact on our business and financial results; an expansion of adversarial global trade dynamics or other changes to international trade regulations; business interruptions related to our supply chain; our ability to manage o

aten-20260204false000158080800015808082026-02-042026-02-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

February 4, 2026 Date of Report (Date of earliest event reported)

A10 NETWORKS, INC.

(Exact name of the registrant as specified in its charter)

Delaware001-3634320-1446869 (State or Other Jurisdiction of Incorporation or Organization)(Commission File Number)(I.R.S. Employer Identification Number)

2300 Orchard Parkway San Jose, CA 95131 (Address of principal executive offices, including zip code)

(408) 325-8668 (Name and telephone number, including area code, of the person to contact in connection with this report)

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 classTrading symbol(s)Name of each exchange on which registered Common stock, $0.00001 par value per shareATENNew 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 4, 2026, A10 Networks, Inc. (the “Company”) issued a press release regarding financial results for the quarter and year ended December 31, 2025. A copy of the press release is furnished herewith as Exhibit 99.1.

Item 7.01    Regulation FD Disclosure

On February 4, 2026, the Company posted on its website (www.a10networks.com) slides regarding the financial results for the quarter and year ended December 31, 2025. A copy of the slides is attached as Exhibit 99.2 and the information in Exhibit 99.2 is incorporated herein by reference.

The information in Item 2.02, Item 7.01 and Item 9.01 in this Current Report on Form 8-K and the exhibits attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended. The information in Item 2.02 shall not be incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 8.01    Other Events.

On February 4, 2025, the Company announced that its Board of Directors (the “Board”) declared a quarterly dividend. The quarterly dividend, in the amount of $0.06 per share, will be payable, subject to any prior revocation, on March 2, 2026 to stockholders of record on February 16, 2026. Future dividends will be subject to further review and approval by the Board in accordance with applicable law. The Board reserves the right to adjust or withdraw the quarterly dividend in future periods as it reviews A10’s capital allocation strategy from time-to-time.

Forward Looking Statements

Item 8.01 contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Exchange Act, including statements regarding the Company’s dividend program. These forward-looking statements involve risks and uncertainties. These forward-looking statements may be identified by terms such as “will,” “may,” “plans,” or the negative of these terms, and similar expressions intended to identify forward-looking statements. These forward-looking statements include, but are not limited to, sta

aten-20251104false000158080800015808082025-11-042025-11-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

November 4, 2025 Date of Report (Date of earliest event reported)

A10 NETWORKS, INC.

(Exact name of the registrant as specified in its charter)

Delaware001-3634320-1446869 (State or Other Jurisdiction of Incorporation or Organization)(Commission File Number)(I.R.S. Employer Identification Number)

2300 Orchard Parkway San Jose, CA 95131 (Address of principal executive offices, including zip code)

(408) 325-8668 (Name and telephone number, including area code, of the person to contact in connection with this report)

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 classTrading symbol(s)Name of each exchange on which registered Common stock, $0.00001 par value per shareATENNew 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 November 4, 2025, A10 Networks, Inc. (the “Company”) issued a press release regarding financial results for the quarter ended September 30, 2025. A copy of the press release is furnished herewith as Exhibit 99.1.

Item 7.01    Regulation FD Disclosure

On November 4, 2025, the Company posted on its website (www.a10networks.com) slides regarding the financial results for the quarter ended September 30, 2025. A copy of the slides is attached as Exhibit 99.2 and the information in Exhibit 99.2 is incorporated herein by reference.

The information in Item 2.02, Item 7.01 and Item 9.01 in this Current Report on Form 8-K and the exhibits attached hereto shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended. The information in Item 2.02 shall not be incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 8.01    Other Events.

On November 4, 2025, the Company announced that its Board of Directors (the “Board”) approved a quarterly dividend. The quarterly dividend, in the amount of $0.06 per share, will be payable, subject to any prior revocation, on December 1, 2025 to stockholders of record on November 17, 2025. Future dividends will be subject to further review and approval by the Board in accordance with applicable law. The Board reserves the right to adjust or withdraw the quarterly dividend in future periods as it reviews the Company’s capital allocation strategy from time-to-time.

Forward Looking Statements

Item 8.01 contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Exchange Act, including statements regarding the Company’s dividend program. These forward-looking statements involve risks and uncertainties. These forward-looking statements may be identified by terms such as “will,” “may,” “plans,” or the negative of these terms, and similar expressions intended to identify forward-looking statements. These forward-looking statements include, but are not limited to, statemen