| 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 | 16 Dec 2025 | 0001936128 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATEN | Common Stock | Gift | $0 | -600 | -1% | $0.000000 | 56,850 | 12 Dec 2025 | Direct | F1, F2 |
| transaction | ATEN | Common Stock | Tax liability | $16,761 | -925 | -1.6% | $18.12 | 55,925 | 15 Dec 2025 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Represents a bona fide gift by Reporting Person to a tax-exempt public charity under Section 501(c)(3) of the Internal Revenue Code. |
| F2 | Includes an aggregate of 1,437 shares acquired by the Reporting Person on May 31, 2025 and November 30, 2025 pursuant to the Issuer's Employee Stock Purchase Plan. |
| F3 | Shares automatically withheld, on a non-discretionary basis, for tax purposes related to a January 30, 2024 restricted stock unit grant that vested on December 13, 2025. |