Form 4 for ANET Arista Networks
Accepted 2026-05-22 18:47:49 ET · period of report 2026-05-20 · accession 0001596532-26-000097 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-05-22 18:47 | 2026-05-20 | ANET | Wassenaar Yvonne | Dir | M - OptEx | $0.00 | +971 | 10.8K | +10% | $0 |
| DMT | 2026-05-22 18:47 | 2026-05-20 | ANET | Wassenaar Yvonne | Dir | S - Sale+OE | $140.93 | -971 | 9,784 | -9% | -$136.8K |
| DT | 2026-05-22 18:47 | 2026-05-20 | ANET | Wassenaar Yvonne | Dir | M - OptEx | $0.00 | -971 | 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 | 2026-05-20 | M | A | 971 | $0.00 | 10,755 | 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 | 2026-05-20 | S | D | 324 | $139.89 | 10,431 | D | — | — | (F2) The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.36 to $140.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 3 | Common | Common Stock | 2026-05-20 | S | D | 329 | $140.86 | 10,102 | D | — | — | (F2) The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.36 to $141.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 4 | Common | Common Stock | 2026-05-20 | S | D | 242 | $141.89 | 9,860 | D | — | — | (F2) The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $141.36 to $142.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 5 | Common | Common Stock | 2026-05-20 | S | D | 76 | $142.62 | 9,784 | D | — | — | (F2) The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. (F6) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.37 to $143.20, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 6 | Derivative | Restricted Stock Unit-4 | 2026-05-20 | M | D | 971 | $0.00 | 0 | D | $0.00 · — to — | 971 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F7) The reporting person was granted RSUs on May 30, 2025. 1/4th of the shares vest on August 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, or November 20. (F7) The reporting person was granted RSUs on May 30, 2025. 1/4th of the shares vest on August 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, or November 20. |