Robert Scott Weber - 31 Jan 2026 Form 4 Insider Report for A10 Networks, Inc. (ATEN)

Role
General Counsel
Signature
/s/ Jill Osato, Attorney-in-fact
Issuer symbol
ATEN
Transactions as of
31 Jan 2026
Net transactions value
-$95,048
Form type
4
Filing time
03 Feb 2026, 17:02:23 UTC
Previous filing
16 Jan 2026
Next filing
12 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Weber Robert Scott General Counsel C/O A10 NETWORKS, INC., 2300 ORCHARD PARKWAY, SAN JOSE /s/ Jill Osato, Attorney-in-fact 03 Feb 2026 0001936128

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATEN Common Stock Tax liability $14,580 -836 -1.5% $17.44 54,065 31 Jan 2026 Direct F1
transaction ATEN Common Stock Tax liability $80,468 -4,614 -8.5% $17.44 49,451 01 Feb 2026 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares automatically withheld, on a non-discretionary basis, for tax purposes related to performance-based restricted stock units granted on February 21, 2023, which vested on January 31, 2026.
F2 Shares automatically withheld, on a non-discretionary basis, for tax purposes related to restricted stock units granted on February 21, 2023, January 30, 2024 and February 6, 2025, each of which vested on February 1, 2026.