Form 4 for ANET Arista Networks
Accepted 2026-02-24 00:00:00 ET · period of report 2026-02-20 · accession 0001596532-26-000027 · 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 | 2026-02-24 | 2026-02-20 | ANET | Breithaupt Chantelle Yvette | SVP, CFO | M - OptEx | $0.00 | +42.5K | 89.9K | +90% | $0 |
| D | 2026-02-24 | 2026-02-20 | ANET | Breithaupt Chantelle Yvette | SVP, CFO | F - Tax | $137.23 | -20.3K | 69.6K | -23% | -$2.79M |
| DM | 2026-02-24 | 2026-02-20 | ANET | Breithaupt Chantelle Yvette | SVP, CFO | A - Grant | $0.00 | +30.3K | 15.9K | New | $0 |
| DM | 2026-02-24 | 2026-02-20 | ANET | Breithaupt Chantelle Yvette | SVP, CFO | M - OptEx | $0.00 | -42.5K | 0 | -100% | $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 | 2026-02-20 | M | A | 1,350 | $0.00 | 75,529 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. |
| 2 | Common | Common Stock | 2026-02-20 | M | A | 15,864 | $0.00 | 74,179 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. |
| 3 | Common | Common Stock | 2026-02-20 | M | A | 10,920 | $0.00 | 58,315 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. |
| 4 | Common | Common Stock | 2026-02-20 | M | A | 14,400 | $0.00 | 89,929 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. |
| 5 | Common | Common Stock | 2026-02-20 | F | D | 20,305 | $137.23 | 69,624 | D | — | — | |
| 6 | Derivative | Restricted Stock Unit-7 | 2026-02-20 | A | A | 14,400 | $0.00 | 14,400 | D | $0.00 · — to — | 14,400 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F6) 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. |
| 7 | Derivative | Restricted Stock Unit-3 | 2026-02-20 | A | A | 15,864 | $0.00 | 15,864 | D | $0.00 · — to — | 15,864 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F5) 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. |
| 8 | Derivative | Restricted Stock Unit-2 | 2026-02-20 | M | D | 1,350 | $0.00 | 20,250 | 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. (F4) Six and one-quarter percent (6.25%) of the restricted stock units awarded vest 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. |
| 9 | Derivative | Restricted Stock Unit-1 | 2026-02-20 | M | D | 10,920 | $0.00 | 87,340 | D | $0.00 · — to — | 10,920 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F3) Twenty five percent (25%) of the restricted stock units awarded vested on Feb 20, 2025 and will continue to vest at a rate of six and one-quarter percent (6.25%) each quarter 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 or November 20 of each year. |
| 10 | Derivative | Restricted Stock Unit-7 | 2026-02-20 | M | D | 14,400 | $0.00 | 0 | D | $0.00 · — to — | 14,400 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F6) 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. |
| 11 | Derivative | Restricted Stock Unit-3 | 2026-02-20 | M | D | 15,864 | $0.00 | 0 | D | $0.00 · — to — | 15,864 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F5) 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. |