A10 Networks ATEN Insider Ownership

Updated Oct 10, 2026

Over the trailing 12 months, ATEN insiders sold $3.19 million worth of shares (141.44K shares) in open-market trades, with no open-market purchases.

• Counted by insider, open-market selling of ATEN stock in the past 12 months came from 4 insiders, with no insider buying.
• Dhrupad Trivedi (Chief Executive Officer) led open-market sales of A10 Networks stock over the past 12 months with $2.06 million (100K shares), most recently on February 13, 2026.
• The latest open-market trade on record is a sale of 2.65K shares for $68,024 by Dana Elizabeth Wolf (Director) on August 25, 2026.
• Beyond open-market trades, insiders at A10 Networks received 175.12K shares in stock awards, acquired 293.18K shares through option exercises and conversions, gave up 246.96K shares to cover taxes or exercise prices and gave away 600 shares as gifts in the last 12 months.
• According to Business Quant data, insiders at A10 Networks reported 1.66Mn shares in total in their latest Form 4 filings, or 2.29% of the 72.45Mn shares outstanding; that total is down 10.28% from 1.85Mn shares at the end of Q2 2026.
• Direct holdings account for 1.45Mn shares (87.49%) of ATEN's insider total, and indirect holdings through trusts, partnerships and family members for 207.3K shares (12.51%).
• The insider holdings in A10 Networks belong to 11 insiders who have reported on Form 4 within the past two years.
• ATEN's three largest insider shareholders, per their latest Form 4 filings, are Dhrupad Trivedi (Chief Executive Officer, 887.85K shares), Peter Y. Chung (Director, 207.3K shares) and Tor Braham (Director, 192.81K shares).
• Of the shares held by ATEN insiders, 53.59% belong to Dhrupad Trivedi.
• In the past year, 9 insiders of A10 Networks submitted 34 Form 4 filings reporting trades, awards or other transactions.
• This summary of A10 Networks insider activity covers Form 4 filings through October 7, 2026.