| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Duda Kenneth | President and CTO, Director | 5453 GREAT AMERICA PARKWAY, SANTA CLARA | By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda | 24 Feb 2026 | 0001605808 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ANET | Common Stock | Options Exercise | $0 | +3,880 | +11% | $0.000000 | 38,963 | 20 Feb 2026 | by Trust | F1, F2 |
| transaction | ANET | Common Stock | Options Exercise | $0 | +4,148 | +11% | $0.000000 | 43,111 | 20 Feb 2026 | by Trust | F1, F2 |
| transaction | ANET | Common Stock | Options Exercise | $0 | +44,240 | +103% | $0.000000 | 87,351 | 20 Feb 2026 | by Trust | F1, F2 |
| transaction | ANET | Common Stock | Options Exercise | $0 | +1,836 | +2.1% | $0.000000 | 89,187 | 20 Feb 2026 | by Trust | F1, F2 |
| transaction | ANET | Common Stock | Options Exercise | $0 | +19,816 | +22% | $0.000000 | 109,003 | 20 Feb 2026 | by Trust | F1, F2 |
| transaction | ANET | Common Stock | Options Exercise | $0 | +1,350 | +1.2% | $0.000000 | 110,353 | 20 Feb 2026 | by Trust | F1, F2 |
| transaction | ANET | Common Stock | Options Exercise | $0 | +14,400 | +13% | $0.000000 | 124,753 | 20 Feb 2026 | by Trust | F1, F2 |
| transaction | ANET | Common Stock | Options Exercise | $0 | +19,576 | +16% | $0.000000 | 144,329 | 20 Feb 2026 | by Trust | F1, F2 |
| transaction | ANET | Common Stock | Tax liability | $7,523,360 | -54,823 | -38% | $137.23 | 89,506 | 20 Feb 2026 | by Trust | F2, F3 |
| holding | ANET | Common Stock | 12,976 | 20 Feb 2026 | Direct | ||||||
| holding | ANET | Common Stock | 1,111,168 | 20 Feb 2026 | By Childrens' Trust | F4 | |||||
| holding | ANET | Common Stock | 512,400 | 20 Feb 2026 | By Foundation | F5 | |||||
| holding | ANET | Common Stock | 757,961 | 20 Feb 2026 | By GRAT JD | F6 | |||||
| holding | ANET | Common Stock | 757,961 | 20 Feb 2026 | By GRAT KD | F7 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ANET | Restricted Stock Unit - 17 | Options Exercise | $0 | -1,350 | -6.2% | $0.000000 | 20,250 | 20 Feb 2026 | Common Stock | 1,350 | $0.000000 | Direct | F1, F8 |
| transaction | ANET | Restricted Stock Unit - 18 | Award | $0 | +19,576 | $0.000000 | 19,576 | 20 Feb 2026 | Common Stock | 19,576 | $0.000000 | Direct | F1, F9 | |
| transaction | ANET | Restricted Stock Unit - 18 | Options Exercise | $0 | -19,576 | -100% | $0.000000 | 0 | 20 Feb 2026 | Common Stock | 19,576 | $0.000000 | Direct | F1, F9 |
| transaction | ANET | Restricted Stock Unit - 19 | Award | $0 | +14,400 | $0.000000 | 14,400 | 20 Feb 2026 | Common Stock | 14,400 | $0.000000 | Direct | F1, F10 | |
| transaction | ANET | Restricted Stock Unit - 19 | Options Exercise | $0 | -14,400 | -100% | $0.000000 | 0 | 20 Feb 2026 | Common Stock | 14,400 | $0.000000 | Direct | F1, F10 |
| transaction | ANET | Restricted Stock Unit-11 | Options Exercise | $0 | -4,148 | -13% | $0.000000 | 29,032 | 20 Feb 2026 | Common Stock | 4,148 | $0.000000 | Direct | F1, F11 |
| transaction | ANET | Restricted Stock Unit-13 | Options Exercise | $0 | -1,836 | -8.3% | $0.000000 | 20,184 | 20 Feb 2026 | Common Stock | 1,836 | $0.000000 | Direct | F1, F12 |
| transaction | ANET | Restricted Stock Unit-14 | Options Exercise | $0 | -19,816 | -5.3% | $0.000000 | 356,688 | 20 Feb 2026 | Common Stock | 19,816 | $0.000000 | Direct | F1, F13 |
| transaction | ANET | Restricted Stock Unit-16 | Award | $0 | +44,240 | $0.000000 | 44,240 | 20 Feb 2026 | Common Stock | 44,240 | $0.000000 | Direct | F1, F14 | |
| transaction | ANET | Restricted Stock Unit-16 | Options Exercise | $0 | -44,240 | -100% | $0.000000 | 0 | 20 Feb 2026 | Common Stock | 44,240 | $0.000000 | Direct | F1, F14 |
| transaction | ANET | Restricted Stock Unit-8 | Options Exercise | $0 | -3,880 | -25% | $0.000000 | 11,648 | 20 Feb 2026 | Common Stock | 3,880 | $0.000000 | Direct | F1, F15 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. |
| F2 | These shares are held by a family trust for which the reporting person is co-trustee. |
| F3 | Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units. |
| F4 | These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. |
| F5 | These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. |
| F6 | Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. |
| F7 | Reporting person is the trustee of the Kenneth Duda Annuity Trusts. |
| F8 | Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2026 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year. |
| F9 | This performance stock award was granted in the first quarter of 2024 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026. |
| F10 | This performance stock award was granted in the first quarter of 2025 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026. |
| F11 | Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year. |
| F12 | Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year. |
| F13 | Five percent (5%) of the restricted stock awarded vested on November 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year. |
| F14 | This performance stock award was granted in the first quarter of 2023 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026. |
| F15 | Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2023 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year. |