A10 Networks Inc

For the period ended Dec 31, 2023. Filed Feb 29, 2024.

About this filing

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.

FY2023 · Filed Feb 29, 2024

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

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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:

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.

Consolidated Financial Statement Schedules

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

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
Description	Form	SEC File No.	Exhibit Number	Filing Date	Filed Herewith
3.1	Amended and Restated Certificate of Incorporation of the Registrant	8-K	001-36343	3.1	December 6, 2019
3.2	Amended and Restated Bylaws of the Registrant	8-K	001-36343	3.2	December 6, 2019
4.1	Form of common stock certificate of the Registrant	S-1/A	333-194015	4.1	March 10, 2014
4.2	Amended and Restated Investors’ Rights Agreement among the Registrant and certain holders of its capital stock, amended as of October 4, 2013	S-1/A	333-194015	4.2	March 10, 2014
4.3	Description of the Registrant’s securities	10-K	001-36343	4.3	March 10, 2020
10.1*	Form of Indemnification Agreement between the Registrant and each of its directors and executive officers	S-1/A	333-194015	10.1	March 10, 2014
10.2*	2008 Stock Plan and forms of agreements thereunder	10-Q	001-36343	10.2	May 13, 2014
10.3*	Amended and Restated 2014 Equity Incentive Plan	10-Q	001-36343	10.1	August 6, 2015
10.4*	Amended 2014 Employee Stock Purchase Plan	10-K	001-36343	10.4	March 10, 2020
10.5*	2014 Employee Stock Purchase Plan and forms of agreements thereunder	S-1/A	333-194015	10.5	March 10, 2014
10.6*	Form of Stock Option Agreement pursuant to the 2008 Stock Plan	10-Q	001-36343	10.2	August 4, 2014
10.7*	Form of Stock Option Agreement- Early Exercise pursuant to the 2008 Stock Plan	10-Q	001-36343	10.3	August 4, 2014
10.8*	Form of Stock Option Agreement pursuant to the Amended and Restated 2014 Equity Incentive Plan	10-Q	001-36343	10.4	August 4, 2014
10.9*	Form of Restricted Stock Unit Agreement pursuant to the Amended and Restated 2014 Equity Incentive Plan	10-Q	001-36343	10.5	August 4, 2014
10.10*	Offer Letter, dated November 12, 2019, by and between the Registrant and Dhrupad Trivedi	8-K	001-36343	10.2	November 21, 2019
10.11*	Form of CEO Change in Control and Severance Agreement	8-K	001-36343	10.3	November 21, 2019
10.13	Reseller Agreement, dated April 2, 2009, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.12	February 18, 2014
10.14	First Amendment to Reseller Agreement, dated May 19, 2011, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.13	February 18, 2014

Exhibit Number · Incorporated by Reference
Description · Form · SEC File No. · Exhibit Number · Filing Date · Filed Herewith
10.15	Second Amendment to Reseller Agreement, dated April 1, 2011, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.14	February 18, 2014
10.16	Third Amendment to Reseller Agreement, dated April 1, 2011, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.15	February 18, 2014
10.17	Fourth Amendment to Reseller Agreement, dated October 3, 2011, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.16	February 18, 2014
10.18	Fifth Amendment to Reseller Agreement, dated April 2, 2012, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.17	February 18, 2014
10.19	Sixth Amendment to Reseller Agreement, dated November 29, 2012, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.18	February 18, 2014
10.20	Seventh Amendment to Reseller Agreement, dated April 9, 2013, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.19	February 18, 2014
10.21	Eighth Amendment to Reseller Agreement, dated October 22, 2013, by and between the Registrant and NEC Corporation	S-1/A	333-194015	10.2	February 18, 2014
10.22	Ninth Amendment to Reseller Agreement, executed on April 22, 2014, by and between the Registrant and NEC Corporation	10-Q	001-36343	10.1	August 4, 2014
10.23	Manufacturing Services Agreement, dated December 8, 2006, by and between the Registrant and Lanner Electronics (USA)	S-1/A	333-194015	10.21	February 18, 2014
10.24	Amendment No. 1 to Manufacturing Services Agreement, dated June 27, 2013, by and between the Registrant and Lanner Electronics (USA)	S-1/A	333-194015	10.22	February 18, 2014
10.25	Contract Manufacturer Agreement, dated July 1, 2008, by and between the Registrant and AEWIN Technologies, Inc.	S-1/A	333-194015	10.23	February 18, 2014
10.26	Amendment No. 1 to Contract Manufacturer Agreement, dated June 30, 2014, by and between the Registrant and AEWIN Technologies, Inc.	10-K	001-36343	10.31	March 11, 2015
10.27*	Form of Change in Control and Severance Agreement	S-1/A	333-194015	10.25	March 10, 2014
10.28*	Executive Incentive Compensation Plan	10-K	001-6343	10.32	March 1, 2016
10.29	Sublease Agreement, dated May 2, 2019, by and between Marvell Corporation and the Registrant	10-Q	001-36343	10.1	May 8, 2019
10.30	Common Stock Repurchase Agreement, dated as of September 8, 2022, between A10 Networks, Inc. and Summit Partners Growth Equity Fund VIII-A, L.P., Summit Partners Growth Equity Fund VIII-B L.P., Summit Investors I, LLC and Summit Investors I (UK), L.P.	8-K	001-36343	10.1	September 9, 2022
21.1	List of subsidiaries of the Registrant	10-K	001-36343	21.1	March 10, 2020
23.1	Consent of Grant Thornton LLP, independent registered public accounting firm					X
23.2	Consent of Armanino LLP, independent registered public accounting firm					X
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act					X
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act					X
32.1 **	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act					X
32.2 **	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act					X
97	A10 Networks, Inc. Policy for the Recovery of Erroneously Awarded Compensation					X
101.INS	XBRL Instance Document.					X
101.SCH	XBRL Taxonomy Extension Schema Document.					X
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.					X
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.					X
101.LAB	XBRL Taxonomy Extension Label Linkbase Document.					X

Exhibit Number				Incorporated by Reference
Description	Form		SEC File No.		Exhibit Number	Filing Date	Filed Herewith
101.PRE		XBRL Taxonomy Extension Presentation Linkbase Document.						X
104		Cover 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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