ATEN Insider Holders & Insider Ownership

List of insiders holdings for A10 Networks Inc.:

Shares directly owned by the insider.
Shares indirectly owned by the insider.
Total shares owned by the insider (sum of shares directly and indirectly owned).
Total market value if available.
Shares are not adjusted for stock split.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#	Insider Holder Name	Report Date Time	Shares Owned Directly Indirectly	Total Shares Owned	Filing
1	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP VIEX Special Opportunities Fund III LP Director	2021-11-03 20:15:18	73,139 3,095,121	3,168,260	Form 4
2	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP VIEX Special Opportunities Fund III LP VIEX GP LLC VIEX Special Opportunities GP II LLC VIEX Special Opportunities GP III LLC VIEX Capital Advisors LLC Director 10% Owner	2021-11-03 16:16:26	3,009,009 0	3,009,009	Form 13D
3	CHEN LEE 10% Owner	2020-11-02 09:01:09	2,815,034 0	2,815,034	Form 13G
4	Singer Eric VIEX Opportunities Fund LP Series One VIEX Opportunities Fund LP - Series Two VIEX Special Opportunities Fund II LP Director	2021-12-03 20:18:19	73,139 1,871,832	1,944,971	Form 4
5	Trivedi Dhrupad Chief Executive Officer	2025-03-11 21:17:26	788,115 0	788,115	Form 4
6	SUMMIT PARTNERS L P SUMMIT PARTNERS GE VIII L.P. Summit Partners GE VIII LLC Summit Investors Management LLC Summit Partners Growth Equity Fund VIII-A L.P. Summit Partners Growth Equity Fund VIII-B L.P. Summit Investors I LLC Summit Investors I (UK) L.P. SUMMIT MASTER COMPANY LLC MANNION MARTIN J 10% Owner	2024-11-08 16:38:55	606,263 0	606,263	Form 13G
7	Jalan Rajkumar Chief Technology Officer	2017-04-04 18:07:29	425,132 0	425,132	Form 4
8	COCHRAN ROBERT D EVP Legal & Corp Collaboration	2022-06-29 17:31:58	344,161 0	344,161	Form 4
9	Constantino Thomas EVP, Chief Financial Officer	2020-07-07 21:22:01	269,538 0	269,538	Form 4
10	CHUNG PETER Y Director	2025-04-18 16:01:36	0 200,065	200,065	Form 4
11	Matlof Jason VP of Worldwide Marketing	2014-03-20 12:03:34	186,666 0	186,666	Form 3
12	Braham Tor Director	2025-04-18 15:51:52	185,579 0	185,579	Form 4
13	SALSBURY PHILLIP J Director	2019-12-06 17:00:02	176,230 0	176,230	Form 4
14	SMETS RAYMOND J EVP of Worldwide Sales	2017-10-16 16:24:04	149,725 0	149,725	Form 4
15	Reiss Gunter VP Worldwide Marketing	2020-12-29 16:43:43	135,543 0	135,543	Form 4
16	Becker Neil Wu VP Worldwide Mktg and Comm	2017-09-15 16:39:47	118,946 0	118,946	Form 4
17	White Christopher P. EVP, Worldwide Sales	2020-01-08 16:04:35	101,915 0	101,915	Form 4
18	Henricks Alan S. Director	2019-12-06 16:59:32	88,640 0	88,640	Form 4
19	Singer Eric Director	2025-04-18 15:52:30	86,271 0	86,271	Form 4
20	BRUENING MATTHEW P EVP, Worldwide Sales & Mktg	2023-11-13 19:16:43	85,307 0	85,307	Form 4
21	Becker Brian Chief Financial Officer	2025-03-11 21:26:46	83,999 0	83,999	Form 4
22	Natarajan Shiva Kumar Interim CFO	2017-06-02 16:14:15	73,737 0	73,737	Form 4
23	Straughn Greg Chief Financial Officer	2017-02-15 16:02:20	65,561 0	65,561	Form 4
24	Weber Robert Scott General Counsel	2025-05-28 16:17:37	58,507 0	58,507	Form 4
25	Wolf Dana Elizabeth Director	2025-04-18 15:53:13	52,828 0	52,828	Form 4
26	Singer Eric VIEX Opportunities Fund LP Series One VIEX GP LLC VIEX Capital Advisors LLC Director	2022-11-09 20:01:22	46,566 0	46,566	Form 4
27	DODSON J MICHAEL Director	2020-05-28 18:07:58	37,245 0	37,245	Form 4
28	Kapoor Sanjay VP of Global Marketing	2016-02-17 16:32:10	35,500 0	35,500	Form 4
29	Thomas Karen S. EVP, Worldwide Sales and Mkt	2024-12-30 20:07:20	31,465 0	31,465	Form 4
30	Dotz Mary Director	2021-05-03 16:31:07	27,948 0	27,948	Form 4
31	Singer Eric VIEX Opportunities Fund LP - Series Two Director	2022-06-13 20:05:52	0 0	0	Form 4/A

Insider Holders & Insider Ownership - A10 Networks Inc. (ATEN)