Company Analysis

A10 Networks Inc (ATEN)

NYSE: ATEN · Computer Communications Equipment · San Jose, CA · filing with the SEC since 2013
Grade5.4
◀ Past 4.5● Present 5.9▶ Future 5.6

Filings

262 filings since 2017 beside 511 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 36 days after the quarter ended. The proxy statement was last filed Mar 10, 2026.

Filings a yearinsider forms included
56737994100736267
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 5 times in the last 36 months, the newest Sep 14, 2026.
Insider forms 511

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 6, 2026 10-Q Quarterly report Sep 30, 2026
Nov 5, 2026 8-K items 2.02, 7.01, 8.01, 9.01 Results released; Investor disclosure (Regulation FD); Other event · Current report
Oct 30, 2026 SCHEDULE 13G Large holder notice
Oct 30, 2026 SCHEDULE 13G/A Large holder update, amended
Sep 14, 2026 8-K item 5.02 Officer or director change · Current report Sep 9, 2026
Aug 7, 2026 8-K items 8.01, 9.01 Other event · Current report Aug 6, 2026
Aug 7, 2026 424B7 Resale prospectus supplement
Aug 7, 2026 S-3ASR Shelf registration
Aug 6, 2026 10-Q Quarterly report Jun 30, 2026
Aug 5, 2026 8-K items 2.02, 7.01, 8.01, 9.01 Results released; Investor disclosure (Regulation FD); Other event · Current report
Aug 5, 2026 8-K items 1.01, 3.02, 9.01 Major agreement signed; Shares sold without registration · Current report Aug 3, 2026
Jul 30, 2026 SCHEDULE 13G Large holder notice
May 21, 2026 SD Conflict minerals report
May 7, 2026 8-K item 5.02 Officer or director change · Current report May 2, 2026
May 7, 2026 10-Q Quarterly report Mar 31, 2026
May 1, 2026 8-K item 5.02 Officer or director change · Current report Apr 27, 2026
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 28, 2026 8-K items 2.02, 7.01, 8.01, 9.01 Results released; Investor disclosure (Regulation FD); Other event · Current report
Apr 23, 2026 8-K item 5.07 Shareholder vote · Current report Apr 22, 2026
Apr 8, 2026 DEFA14A Extra proxy material
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 10, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 10, 2026 DEFA14A Extra proxy material
Mar 10, 2026 DEF 14A Proxy statement Apr 22, 2026
Feb 25, 2026 10-K Annual report Dec 31, 2025
Feb 4, 2026 8-K items 2.02, 7.01, 8.01, 9.01 Results released; Investor disclosure (Regulation FD); Other event · Current report
Nov 4, 2025 10-Q Quarterly report Sep 30, 2025
Nov 4, 2025 8-K items 2.02, 7.01, 8.01, 9.01 Results released; Investor disclosure (Regulation FD); Other event · Current report
Sep 5, 2025 8-K items 5.02, 9.01 Officer or director change · Current report Sep 2, 2025
Aug 5, 2025 10-Q Quarterly report Jun 30, 2025
Aug 5, 2025 8-K items 2.02, 7.01, 8.01, 9.01 Results released; Investor disclosure (Regulation FD); Other event · Current report
Jul 9, 2025 SCHEDULE 13G/A Large holder update, amended
May 22, 2025 SD Conflict minerals report
May 8, 2025 S-8 Employee stock plan registration
May 6, 2025 10-Q Quarterly report Mar 31, 2025
May 1, 2025 8-K items 2.02, 7.01, 8.01, 9.01 Results released; Investor disclosure (Regulation FD); Other event · Current report
Apr 18, 2025 8-K item 5.07 Shareholder vote · Current report Apr 17, 2025
Apr 9, 2025 DEFA14A Extra proxy material
Mar 20, 2025 8-K items 2.03, 3.02, 9.01 New debt or obligation taken on; Shares sold without registration · Current report
Mar 20, 2025 8-K/A items 1.01, 2.03, 3.02, 8.01, 9.01 Major agreement signed; New debt or obligation taken on; Shares sold without registration; Other event · Current report, amended Mar 13, 2025
40 of 262 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ATEN · research, not advice