InsiderTrades

Form 4 for ATEN A10 Networks, Inc.

Accepted 2026-02-13 00:00:00 ET · period of report 2026-02-11 · accession 0001570462-26-000010 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-02-13 2026-02-11+ ATEN Trivedi Dhrupad CEO, Dir S - Sale $20.60 -100.0K 713.6K -12% -$2.06M
D 2026-02-13 2026-02-12 ATEN Trivedi Dhrupad CEO, Dir A - Grant $0.00 +131.5K 746.9K +21% $0
D 2026-02-13 2026-02-12 ATEN Trivedi Dhrupad CEO, Dir A - Grant $0.00 +131.5K 131.5K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-11 S D 33,333 $20.69 648,748 D — — (F1) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2025. (F2) This is the weighted average price of the shares sold, which ranged from $20.51 to $21.10 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
2 Common Common Stock 2026-02-12 S D 33,333 $20.56 615,415 D — — (F1) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2025. (F3) This is the weighted average price of the shares sold, which ranged from $20.18 to $21.11 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
3 Common Common Stock 2026-02-13 S D 33,334 $20.55 713,597 D — — (F1) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2025. (F5) This is the weighted average price of the shares sold, which ranged from $20.23 to $20.72 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
4 Common Common Stock 2026-02-12 A A 131,516 $0.00 746,931 D — — (F4) Each share is represented by a Restricted Stock Unit ("RSU"). One-third (1/3) of the total RSUs will vest on each of the first three (3) anniversaries of the Vesting Commencement Date (2/1/2026), provided that the Reporting Person continues to serve through each such vesting date.
5 Derivative Performance-based Restricted Stock Units 2026-02-12 A A 131,516 $0.00 131,516 D — · — to 2030-02-12 131,516 Common Stock (F6) Each share is represented by a Performance-based Restricted Stock Unit ("PSU"). (F7) Grant of 131,516 PSUs, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day trading period between February 12, 2026 and February 12, 2030 (each, a "Performance Milestone"). Upon achievement of a Performance Milestone, vesting is subject to continued employment with the Company through the applicable vesting date, the first fifty percent ( 50%) of which will occur within thirty (30) days of achievment of the applicable milestone and the balance to vest twenty-five percent (25%) on each of the first and second anniversaries of achievement of the corresponding Performance Milestone.