SEC Form 4 · accession 0001596532-26-000211
Arista Networks, Inc. · ANET
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Todd Nightingale
Officer — President and COO
Period of report
Aug 20, 2026
Accepted (ET)
Aug 24, 2026 · 6:14 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001596532
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 20, 2026 | M | 116,515 | $0.00 | A | 122,643 | D | |
| Common StockF1 | Aug 20, 2026 | M | 10,360 | $0.00 | A | 133,003 | D | |
| Common Stock | Aug 20, 2026 | F | 63,540 | $186.45 | D | 69,463 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock Unit-1F1,F3 | $0.00 | Aug 20, 2026 | M | 116,515 | D | — | — | Common Stock | 116,515 | 349,545 | D |
| Restricted Stock Unit-3F1,F4 | $0.00 | Aug 20, 2026 | A | 10,360 | A | — | — | Common Stock | 10,360 | 10,360 | D |
| Restricted Stock Unit-3F1,F4 | $0.00 | Aug 20, 2026 | M | 10,360 | D | — | — | Common Stock | 10,360 | 0 | D |
Explanation of responses
- F1Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
- F2Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
- F3Twenty five percent (25%) of the restricted stock units awarded will vest on August 20, 2026 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.
- F4This performance stock award was granted in the second quarter of 2025 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.