Form 4 for ANET Arista Networks
Accepted 2026-08-24 18:14:25 ET · period of report 2026-08-20 · accession 0001596532-26-000209 · 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 | 2026-08-24 18:14 | 2026-08-20 | ANET | Breithaupt Chantelle Yvette | SVP, CFO | M - OptEx | $0.00 | +12.3K | 76.7K | +19% | $0 |
| D | 2026-08-24 18:14 | 2026-08-20 | ANET | Breithaupt Chantelle Yvette | SVP, CFO | F - Tax | $186.45 | -6,145 | 70.5K | -8% | -$1.15M |
| DM | 2026-08-24 18:14 | 2026-08-20 | ANET | Breithaupt Chantelle Yvette | SVP, CFO | M - OptEx | $0.00 | -12.3K | 17.6K | -41% | $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 | 2026-08-20 | M | A | 10,920 | $0.00 | 75,328 | 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 | 2026-08-20 | M | A | 1,350 | $0.00 | 76,678 | 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 | 2026-08-20 | F | D | 6,145 | $186.45 | 70,533 | D | — | — | (F2) Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units. |
| 4 | Derivative | Restricted Stock Unit-1 | 2026-08-20 | M | D | 10,920 | $0.00 | 65,504 | 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. (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. |
| 5 | Derivative | Restricted Stock Unit-2 | 2026-08-20 | M | D | 1,350 | $0.00 | 17,550 | 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. (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. |