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A10 Networks, Inc.

For the period ended Dec 31, 2025. Filed Feb 25, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 25, 2026

ATEN$27.79+2.7%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 15. Exhibits, Financial Statement Schedules

(a)The following documents are filed as part of this Annual Report on Form 10-K:

  1. Consolidated Financial Statements

Our consolidated financial statements are listed in the Index to Consolidated Financial Statements in Part II, Item 8 of this Annual Report on Form 10-K.

  1. Consolidated Financial Statement Schedules

All other schedules have been omitted as they are not required, not applicable, or the required information is otherwise included.

  1. Exhibits

The following exhibits are filed with or incorporated by reference in this report, in each case as indicated therein (numbered in accordance with Item 601 of Regulation S-K).

EXHIBIT INDEX

Exhibit Number · Incorporated by Reference
DescriptionFormSEC File No.Exhibit NumberFiling DateFiled Herewith
3.1Amended and Restated Certificate of Incorporation of the Registrant8-K001-363433.1December 6, 2019
3.2Amended and Restated Bylaws of the Registrant8-K001-363433.2December 6, 2019
4.1Form of common stock certificate of the RegistrantS-1/A333-1940154.1March 10, 2014
4.2Amended and Restated Investors’ Rights Agreement among the Registrant and certain holders of its capital stock, amended as of October 4, 2013S-1/A333-1940154.2March 10, 2014
4.3Description of the Registrant’s securities10-K001-363434.3March 10, 2020
4.4Indenture, dated as of March 17, 2025, between the Registrant and U.S. Bank Trust Company, National Association, as trustee (including form of certificate representing the notes)8-K/A001-363434.1March 20, 2025
10.1*Form of Indemnification Agreement between the Registrant and each of its directors and executive officersS-1/A333-19401510.1March 10, 2014
10.2*Amended and Restated 2014 Equity Incentive Plan10-Q001-3634310.1August 6, 2015
10.3*2014 Employee Stock Purchase Plan, as amendedS-8333-28708299.1May 8, 2025
10.4*Form of Stock Option Agreement pursuant to the Amended and Restated 2014 Equity Incentive Plan10-Q001-3634310.4August 4, 2014
10.5*Form of Restricted Stock Unit Agreement pursuant to the Amended and Restated 2014 Equity Incentive Plan10-Q001-3634310.5August 4, 2014
10.6*Offer Letter, dated November 12, 2019, by and between the Registrant and Dhrupad Trivedi8-K001-3634310.2November 21, 2019
10.7*Form of CEO Change in Control and Severance Agreement8-K001-3634310.3November 21, 2019
10.8Reseller Agreement, dated April 2, 2009, by and between the Registrant and NEC CorporationS-1333-19401510.12February 18, 2014
10.9First Amendment to Reseller Agreement, dated May 19, 2011, by and between the Registrant and NEC CorporationS-1333-19401510.13February 18, 2014
10.10Second Amendment to Reseller Agreement, dated April 1, 2011, by and between the Registrant and NEC CorporationS-1333-19401510.14February 18, 2014
10.11Third Amendment to Reseller Agreement, dated April 1, 2011, by and between the Registrant and NEC CorporationS-1333-19401510.15February 18, 2014
Exhibit Number · Incorporated by Reference
Exhibit NumberDescriptionFormSEC File No.Exhibit NumberFiling DateFiled Herewith
10.12Fourth Amendment to Reseller Agreement, dated October 3, 2011, by and between the Registrant and NEC CorporationS-1333-19401510.16February 18, 2014
10.13Fifth Amendment to Reseller Agreement, dated April 2, 2012, by and between the Registrant and NEC CorporationS-1333-19401510.17February 18, 2014
10.14Sixth Amendment to Reseller Agreement, dated November 29, 2012, by and between the Registrant and NEC CorporationS-1333-19401510.18February 18, 2014
10.15Seventh Amendment to Reseller Agreement, dated April 9, 2013, by and between the Registrant and NEC CorporationS-1333-19401510.19February 18, 2014
10.16Eighth Amendment to Reseller Agreement, dated October 22, 2013, by and between the Registrant and NEC CorporationS-1333-19401510.20February 18, 2014
10.17Ninth Amendment to Reseller Agreement, executed on April 22, 2014, by and between the Registrant and NEC Corporation10-Q001-3634310.1August 4, 2014
10.18Manufacturing Services Agreement, dated December 8, 2006, by and between the Registrant and Lanner Electronics (USA)S-1333-19401510.21February 18, 2014
10.19Amendment No. 1 to Manufacturing Services Agreement, dated June 27, 2013, by and between the Registrant and Lanner Electronics (USA)S-1333-19401510.22February 18, 2014
10.20Contract Manufacturer Agreement, dated July 1, 2008, by and between the Registrant and AEWIN Technologies, Inc.S-1333-19401510.23February 18, 2014
10.21Amendment No. 1 to Contract Manufacturer Agreement, dated June 30, 2014, by and between the Registrant and AEWIN Technologies, Inc.10-K001-3634310.31March 11, 2015
10.22*Form of Change in Control and Severance AgreementS-1/A333-19401510.25March 10, 2014
10.23*Executive Incentive Compensation Plan10-K001-634310.32March 1, 2016
10.24Sublease Agreement, dated May 2, 2019, by and between Marvell Corporation and the Registrant10-Q001-3634310.1May 8, 2019
10.25*2023 Stock Incentive PlanS-8333-2720104.1May 17, 2023
10.26*Form of Stock Option Agreement pursuant to the 2023 Stock Incentive Plan10-Q001-3634310.2May 3, 2024
10.27*Form of Restricted Stock Unit Agreement pursuant to the 2023 Stock Incentive Plan10-Q001-3634310.3May 3, 2024
10.28*Form of Restricted Stock Agreement pursuant to the 2023 Stock Incentive Plan10-Q001-3634310.4May 3, 2024
10.29*Form of Performance-Based Restricted Stock Unit Agreement pursuant to the 2023 Stock Incentive Plan10-Q001-3634310.1August 5, 2025
19.1Insider Trading Policy10-K001-3634319.1February 25, 2025
21.1List of subsidiaries of the RegistrantX
23.1Consent of Grant Thornton LLP, independent registered public accounting firmX
31.1Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley ActX
31.2Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley ActX
32.1 **Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley ActX
32.2 **Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley ActX
97A10 Networks, Inc. Policy for the Recovery of Erroneously Awarded Compensation10-K001-3634397February 29, 2024
101.INSXBRL Instance Document.X
101.SCHXBRL Taxonomy Extension Schema Document.X
101.CALXBRL Taxonomy Extension Calculation Linkbase Document.X
101.DEFXBRL Taxonomy Extension Definition Linkbase Document.X
101.LABXBRL Taxonomy Extension Label Linkbase Document.X
Exhibit NumberIncorporated by Reference
Exhibit NumberDescriptionFormSEC File No.Exhibit NumberFiling DateFiled Herewith
101.PREXBRL Taxonomy Extension Presentation Linkbase Document.X
104Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)X
  • Indicates a management contract or compensatory plan.

** The certifications attached as Exhibit 32.1 and 32.2 that accompany this Annual Report on Form 10‑K are not deemed filed with the Securities and Exchange Commission and are not to be incorporated by reference into any filing of A10 Networks, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Annual Report on Form 10‑K, irrespective of any general incorporation language contained in such filing.

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