A10 Networks, Inc. SEC filings ATEN
A10 Networks, Inc. has 910 filings in SEC EDGAR's recent list, going back to Jul 10, 2013. Its latest annual report, Form ARS, was filed on Mar 10, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 14, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change
|
Sep 14, 2026 | Sep 9, 2026 |
| 8-K |
Current report
Other events
|
Aug 7, 2026 | Aug 6, 2026 |
| 424B7 | Filing | Aug 7, 2026 | — |
| S-3ASR | Automatic shelf registration | Aug 7, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Aug 5, 2026 | Aug 3, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 21, 2026 | — |
| 8-K |
Current report
Officer or director change
|
May 7, 2026 | May 2, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Officer or director change
|
May 1, 2026 | Apr 27, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Apr 28, 2026 | Apr 28, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Apr 23, 2026 | Apr 22, 2026 |
| DEFA14A | Additional proxy material | Apr 8, 2026 | — |
| ARS | Annual report to shareholders | Mar 10, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 10, 2026 | — |
| DEF 14A | Proxy statement | Mar 10, 2026 | Apr 22, 2026 |
| 10-K | Annual report | Feb 25, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 4, 2026 | Feb 4, 2026 |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 4, 2025 | Nov 4, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 5, 2025 | Sep 2, 2025 |
| 10-Q | Quarterly report | Aug 5, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Aug 5, 2025 | Aug 5, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 22, 2025 | — |
| S-8 | Employee stock plan registration | May 8, 2025 | — |
| 10-Q | Quarterly report | May 6, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
May 1, 2025 | May 1, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Apr 18, 2025 | Apr 17, 2025 |
| DEFA14A | Additional proxy material | Apr 9, 2025 | — |
| 8-K |
Current report
New debt, Unregistered share sale
|
Mar 20, 2025 | Mar 20, 2025 |
| 8-K/A |
Amended current report
Material agreement, New debt, Unregistered share sale, Other events
|
Mar 20, 2025 | Mar 13, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Mar 17, 2025 | Mar 13, 2025 |
| 8-K |
Current report
Other events
|
Mar 12, 2025 | Mar 12, 2025 |
| ARS | Annual report to shareholders | Mar 5, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 5, 2025 | — |
| DEF 14A | Proxy statement | Mar 5, 2025 | Apr 17, 2025 |
| 10-K | Annual report | Feb 25, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 4, 2025 | Feb 4, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 22, 2024 | Nov 18, 2024 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 7, 2024 | Nov 7, 2024 |
| 10-Q | Quarterly report | Jul 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jul 30, 2024 | Jul 30, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
May 10, 2024 | May 9, 2024 |
| 10-Q | Quarterly report | May 3, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Apr 30, 2024 | Apr 30, 2024 |
| ARS | Annual report to shareholders | Mar 27, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 27, 2024 | — |
| DEF 14A | Proxy statement | Mar 27, 2024 | May 9, 2024 |
| 10-K/A | Amended annual report | Mar 7, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Feb 29, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 6, 2024 | Feb 6, 2024 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 3, 2023 | Oct 3, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 1, 2023 | Aug 30, 2023 |
| 10-Q | Quarterly report | Aug 1, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jul 26, 2023 | Jul 26, 2023 |
| 8-K |
Current report
Auditor change
|
Jun 14, 2023 | Jun 8, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 24, 2023 | — |
| S-8 | Employee stock plan registration | May 17, 2023 | — |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Apr 28, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 3, 2023 | Apr 3, 2023 |
| DEFA14A | Additional proxy material | Mar 30, 2023 | — |
| ARS | Annual report to shareholders | Mar 15, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 15, 2023 | — |
| DEF 14A | Proxy statement | Mar 15, 2023 | — |
| 10-K | Annual report | Feb 27, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change
|
Feb 24, 2023 | Feb 21, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 7, 2023 | Feb 7, 2023 |
| 8-K |
Current report
Other events
|
Jan 27, 2023 | Jan 27, 2023 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 1, 2022 | Nov 1, 2022 |
| UPLOAD | Letter from the SEC | Sep 28, 2022 | — |
| CORRESP | Letter to the SEC | Sep 23, 2022 | — |
| UPLOAD | Letter from the SEC | Sep 13, 2022 | — |
| 8-K |
Current report
Material agreement
|
Sep 9, 2022 | Sep 8, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Aug 2, 2022 | Aug 2, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 27, 2022 | Jun 24, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 25, 2022 | — |
| 8-K |
Current report
Officer or director change
|
May 20, 2022 | May 18, 2022 |
| DEFA14A | Additional proxy material | May 11, 2022 | — |
| DEF 14A | Proxy statement | May 11, 2022 | Jun 24, 2022 |
| 10-Q | Quarterly report | May 5, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
May 3, 2022 | May 3, 2022 |
| 8-K |
Current report
Officer or director change, Other events
|
May 2, 2022 | Apr 26, 2022 |
| 10-K/A | Amended annual report | Apr 20, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Other events
|
Apr 19, 2022 | Apr 19, 2022 |
| 10-K | Annual report | Mar 8, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 1, 2022 | Feb 1, 2022 |
| 8-K |
Current report
Officer or director change
|
Jan 31, 2022 | Jan 25, 2022 |
| 10-Q | Quarterly report | Nov 3, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Oct 28, 2021 | Oct 28, 2021 |
| 10-Q | Quarterly report | Jul 30, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 27, 2021 | Jul 27, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 19, 2021 | — |
| 8-K |
Current report
Shareholder vote results
|
May 5, 2021 | Apr 29, 2021 |
| 10-Q | Quarterly report | Apr 30, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 27, 2021 | Apr 27, 2021 |
| DEFA14A | Additional proxy material | Mar 17, 2021 | — |
| DEF 14A | Proxy statement | Mar 17, 2021 | Apr 29, 2021 |
| 8-K |
Current report
Officer or director change
|
Mar 17, 2021 | Mar 12, 2021 |
| 8-K |
Current report
Other events
|
Mar 11, 2021 | Mar 10, 2021 |
| 10-K | Annual report | Mar 8, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Officer or director change
|
Feb 19, 2021 | Feb 16, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 9, 2021 | Feb 9, 2021 |
| 8-K |
Current report
Officer or director change
|
Jan 20, 2021 | Jan 13, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 29, 2020 | Dec 28, 2020 |
| 8-K |
Current report
Officer or director change
|
Dec 4, 2020 | Nov 30, 2020 |
| 10-Q | Quarterly report | Oct 30, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2020 | Oct 27, 2020 |
| 8-K |
Current report
Officer or director change
|
Oct 23, 2020 | Oct 19, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 2, 2020 | Oct 2, 2020 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 17, 2020 | Sep 16, 2020 |
| 10-Q | Quarterly report | Jul 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2020 | Jun 30, 2020 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Jul 21, 2020 | May 27, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 9, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 28, 2020 | May 27, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2020 | — |
| 8-K |
Current report
Material agreement
|
May 18, 2020 | May 17, 2020 |
| 10-Q | Quarterly report | May 8, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 7, 2020 | Mar 31, 2020 |
| DEFA14A | Additional proxy material | Apr 15, 2020 | — |
| DEF 14A | Proxy statement | Apr 15, 2020 | May 27, 2020 |
| 8-K |
Current report
Officer or director change
|
Apr 15, 2020 | Apr 15, 2020 |
| 8-K |
Current report
Other events
|
Mar 12, 2020 | Mar 12, 2020 |
| 10-K | Annual report | Mar 10, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 11, 2020 | Feb 11, 2020 |
| 8-K |
Current report
Officer or director change
|
Feb 6, 2020 | Feb 3, 2020 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Jan 7, 2020 | Jan 6, 2020 |
| 8-K |
Current report
Officer or director change
|
Dec 13, 2019 | Dec 12, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Dec 6, 2019 | Dec 4, 2019 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Nov 21, 2019 | Nov 20, 2019 |
| DEFA14A | Additional proxy material | Nov 21, 2019 | — |
| 10-Q | Quarterly report | Nov 1, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
Oct 29, 2019 | Oct 29, 2019 |
| DEFA14A | Additional proxy material | Oct 23, 2019 | — |
| DEF 14A | Proxy statement | Oct 23, 2019 | Dec 4, 2019 |
| PRE 14A | Preliminary proxy statement | Oct 8, 2019 | Oct 8, 2019 |
| 8-K |
Current report
Auditor change
|
Sep 18, 2019 | Sep 16, 2019 |
| 10-Q | Quarterly report | Aug 2, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Material agreement, Results of operations, Officer or director change
|
Jul 30, 2019 | Jul 26, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 23, 2019 | — |
| 10-Q | Quarterly report | May 8, 2019 | Mar 31, 2019 |
| 10-K/A | Amended annual report | Apr 26, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2019 | Apr 25, 2019 |
| 8-K |
Current report
Officer or director change
|
Apr 1, 2019 | Mar 28, 2019 |
| S-8 | Employee stock plan registration | Mar 18, 2019 | — |
| 10-K | Annual report | Mar 18, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 7, 2019 | Feb 7, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 8, 2019 | Jan 8, 2019 |
| CT ORDER | Filing | Nov 27, 2018 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Nov 9, 2018 | Nov 7, 2018 |
| 10-Q | Quarterly report | Nov 1, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2018 | Oct 30, 2018 |
| S-8 | Employee stock plan registration | Oct 10, 2018 | — |
| 10-K/A | Amended annual report | Oct 10, 2018 | Dec 31, 2017 |
| 10-Q | Quarterly report | Oct 9, 2018 | Jun 30, 2018 |
| DEFA14A | Additional proxy material | Sep 26, 2018 | — |
| DEF 14A | Proxy statement | Sep 26, 2018 | Nov 7, 2018 |
| 10-Q | Quarterly report | Sep 24, 2018 | Mar 31, 2018 |
| PRE 14A | Preliminary proxy statement | Sep 6, 2018 | Nov 7, 2018 |
| 8-K | Current report | Sep 4, 2018 | Aug 31, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 30, 2018 | Aug 30, 2018 |
| 10-K | Annual report | Aug 29, 2018 | Dec 31, 2017 |
| NT 10-Q | Filing | Aug 10, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Restatement
|
Jul 2, 2018 | Jul 2, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 16, 2018 | — |
| NT 10-Q | Filing | May 10, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Listing notice
|
Apr 6, 2018 | Apr 3, 2018 |
| NT 10-K | Filing | Mar 19, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Mar 16, 2018 | Mar 14, 2018 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Feb 26, 2018 | Feb 26, 2018 |
| 8-K |
Current report
Other events
|
Jan 30, 2018 | Jan 30, 2018 |
| 8-K |
Current report
Results of operations
|
Jan 16, 2018 | Jan 16, 2018 |
| CT ORDER | Filing | Nov 22, 2017 | — |
| 8-K |
Current report
Officer or director change
|
Nov 13, 2017 | Nov 1, 2017 |
| 10-Q | Quarterly report | Nov 2, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2017 | Oct 26, 2017 |
| 8-K |
Current report
Other events
|
Oct 26, 2017 | Oct 23, 2017 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Sep 28, 2017 | Sep 28, 2017 |
| 10-Q | Quarterly report | Aug 3, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2017 | Jul 27, 2017 |
| 8-K |
Current report
Results of operations
|
Jul 13, 2017 | Jul 13, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jun 1, 2017 | May 31, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 19, 2017 | — |
| 8-K |
Current report
Officer or director change
|
May 19, 2017 | May 15, 2017 |
| 10-Q | Quarterly report | May 5, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2017 | Apr 27, 2017 |
| DEFA14A | Additional proxy material | Apr 14, 2017 | — |
| DEF 14A | Proxy statement | Apr 14, 2017 | May 31, 2017 |
| 8-K |
Current report
Officer or director change
|
Apr 6, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Officer or director change
|
Mar 31, 2017 | Mar 29, 2017 |
| S-8 | Employee stock plan registration | Feb 24, 2017 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Computer Communications Equipment (SIC 3576)
- Listed as
- ATEN (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Jose, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1580808
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.