A10 Networks, Inc. (ATEN) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 10, 2026 reveals that A10 Networks's three principal insider shareholders consist of TenPercentOwner Partners L P Summit (5.39Mn shares), Chief Executive Officer Dhrupad Trivedi (775.50K shares), Evp Legal & Corp Collaboration Robert D Cochran (344.16K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Partners L P Summit 5,388,206 09 Sep, 2022
Dhrupad Trivedi Chief Executive Officer 775,495 16 Dec, 2025
Robert D Cochran Evp Legal & Corp Collaboration 344,161 29 Jun, 2022
Peter Y Chung 200,065 18 Apr, 2025
Tor Braham 185,579 18 Apr, 2025
Eric Singer 146,812 18 Apr, 2025
Matthew P Bruening Evp And Worldwide Sales & Mktg 85,307 13 Nov, 2023
Brian Becker Chief Financial Officer 77,599 14 Aug, 2025
Robert Scott Weber General Counsel 55,925 16 Dec, 2025
Dana Elizabeth Wolf 52,828 18 Apr, 2025
Sheen George Khoury Executive Vp And Sales And Mktg 36,523 15 Jul, 2025
Karen S. Thomas Evp And Worldwide Sales And Mkt 28,152 30 Dec, 2024
Mary Dotz 27,948 03 May, 2021
Michelle Elizabeth Caron Chief Financial Officer 13,706 02 Oct, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
15 Dec, 2025 Dhrupad Trivedi Common Stock D 12,620 $18.12 775,495 D F
15 Dec, 2025 Robert Scott Weber Common Stock D 925 $18.12 55,925 D F
12 Dec, 2025 Robert Scott Weber Common Stock D 600 $0.00 56,850 D G
30 Sep, 2025 Michelle Elizabeth Caron - - 13,706 D
30 Sep, 2025 Michelle Elizabeth Caron Common Stock A 13,706 $0.00 13,706 D A
18 Aug, 2025 Robert Scott Weber Common Stock D 600 $0.00 56,013 D G
13 Aug, 2025 Brian Becker - - 77,599 D
13 Aug, 2025 Brian Becker Common Stock D 6,400 $18.03 77,599 D S
14 Jul, 2025 Sheen George Khoury Common Stock A 35,000 $0.00 36,523 D A
14 Jul, 2025 Sheen George Khoury - - 36,523 D
07 Jul, 2025 Robert Scott Weber Common Stock D 1,894 $20.14 56,613 D F
28 May, 2025 Robert Scott Weber Common Stock D 2,500 $17.48 58,507 D S
27 May, 2025 Robert Scott Weber Common Stock D 2,500 $17.26 61,007 D S
17 Apr, 2025 Peter Y Chung Common Stock A 12,698 $0.00 200,065 I A
17 Apr, 2025 Eric Singer Common Stock A 12,698 $0.00 86,271 D A
17 Apr, 2025 Tor Braham Common Stock A 12,698 $0.00 185,579 D A
17 Apr, 2025 Dana Elizabeth Wolf Common Stock A 12,698 $0.00 52,828 D A
17 Apr, 2025 Dana Elizabeth Wolf - - 52,828 D
11 Mar, 2025 Dhrupad Trivedi Common Stock D 28,409 $19.38 788,115 D F
11 Mar, 2025 Brian Becker Common Stock D 3,807 $19.38 83,999 D F