Form 4 for ANET Arista Networks
Accepted 2026-05-22 18:48:12 ET · period of report 2026-05-20 · accession 0001596532-26-000099 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMI | 2026-05-22 18:48 | 2026-05-20 | ANET | Duda Kenneth | Pres, CTO, Dir | M - OptEx | $0.00 | +31.0K | 232.2K | +15% | $0 |
| DI | 2026-05-22 18:48 | 2026-05-20 | ANET | Duda Kenneth | Pres, CTO, Dir | F - Tax | $141.58 | -15.5K | 216.6K | -7% | -$2.20M |
| DM | 2026-05-22 18:48 | 2026-05-20 | ANET | Duda Kenneth | Pres, CTO, Dir | M - OptEx | $0.00 | -31.0K | 7,764 | -80% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-20 | M | A | 3,884 | $0.00 | 205,018 | I by Trust | — | — | (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. |
| 2 | Common | Common Stock | 2026-05-20 | M | A | 4,148 | $0.00 | 209,166 | I by Trust | — | — | (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. |
| 3 | Common | Common Stock | 2026-05-20 | M | A | 1,836 | $0.00 | 211,002 | I by Trust | — | — | (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. |
| 4 | Common | Common Stock | 2026-05-20 | M | A | 19,816 | $0.00 | 230,818 | I by Trust | — | — | (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. |
| 5 | Common | Common Stock | 2026-05-20 | M | A | 1,350 | $0.00 | 232,168 | I by Trust | — | — | (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. |
| 6 | Common | Common Stock | 2026-05-20 | F | D | 15,545 | $141.58 | 216,623 | I by Trust | — | — | (F3) Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units. (F2) These shares are held by a family trust for which the reporting person is co-trustee. |
| 7 | Derivative | Restricted Stock Unit - 17 | 2026-05-20 | M | D | 1,350 | $0.00 | 18,900 | D | $0.00 · — to — | 1,350 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (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. (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. |
| 8 | Derivative | Restricted Stock Unit-11 | 2026-05-20 | M | D | 4,148 | $0.00 | 24,884 | D | $0.00 · — to — | 4,148 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F9) 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. (F9) 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. |
| 9 | Derivative | Restricted Stock Unit-13 | 2026-05-20 | M | D | 1,836 | $0.00 | 18,348 | D | $0.00 · — to — | 1,836 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F10) 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. (F10) 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. |
| 10 | Derivative | Restricted Stock Unit-14 | 2026-05-20 | M | D | 19,816 | $0.00 | 336,872 | D | $0.00 · — to — | 19,816 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F11) 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. (F11) 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. |
| 11 | Derivative | Restricted Stock Unit-8 | 2026-05-20 | M | D | 3,884 | $0.00 | 7,764 | D | $0.00 · — to — | 3,884 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F12) 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. (F12) 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. |