SEC Form 4 · Updated Daily
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— ARISTA NETWORKS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| BECHTOLSHEIM ANDREAS | 10%+ Owner | 180,835,880 | 2026-09-17 | S |
| Ullal Jayshree | Director · Officer | 15,525,748 | 2026-10-08 | S |
| Bechtolsheim Family Trust | 10%+ Owner | 12,663,121 | 2014-06-11 | C |
| 2010 David R Cheriton Irrevocable Trust dtd July 28, 2010 | 10%+ Owner | 6,762,981 | 2016-05-27 | S |
| Duda Kenneth | Director · Officer | 1,170,319 | 2026-10-20 | S |
| Scheinman Daniel | Director | 158,730 | 2026-08-20 | M |
| Nightingale Todd | Officer | 133,003 | 2026-08-20 | M |
| Sadana Anshul | Officer | 73,115 | 2024-05-20 | M |
| Breithaupt Chantelle Yvette | Officer | 68,697 | 2026-10-06 | S |
| Smith Mark Stephen | Officer | 68,100 | 2017-02-15 | M |
| TEMPLETON MARK B | Director | 52,710 | 2026-10-01 | S |
| Taxay Marc | Officer | 41,730 | 2025-03-03 | S |
| Brennan Ita M | Director | 33,070 | 2023-12-01 | M |
| CHEW LEWIS | Director | 31,770 | 2026-08-20 | M |
| Theodosopoulos Nikos | Director | 26,002 | 2023-05-22 | M |
| Stoll Marc F | Director | 16,000 | 2017-05-11 | M |
| McCool John F | Officer | 14,033 | 2025-02-26 | S |
| Battles Kelly Bodnar | Director | 10,546 | 2026-08-21 | S |
| Wassenaar Yvonne | Director | 10,322 | 2026-08-20 | M |
| Lavender Robert G | Director | 4,607 | 2026-08-20 | M |
| MATHER ANN | Director | 4,100 | 2022-05-20 | M |
| BRANNON KELYN | Officer | 2,983 | 2015-04-08 | M |
| Rivelo Manuel Felix | Officer | 2,028 | 2019-11-20 | M |
| Giancarlo Charles H | Director · Officer | 1,509 | 2026-08-20 | M |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-20 | Duda Kenneth | Option exercise (derivative) | 17,333 | $0.00 | 121,335 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 116 | $182.79 | 432,400 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 3,446 | $181.78 | 432,516 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 3,742 | $180.93 | 435,962 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 2,041 | $180.12 | 439,704 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 281 | $179.02 | 441,745 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 374 | $177.91 | 442,026 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 185 | $182.79 | 1,154,918 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 5,514 | $181.78 | 1,155,103 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 5,988 | $180.93 | 1,160,617 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 3,265 | $180.12 | 1,166,605 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 449 | $179.02 | 1,169,870 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 599 | $177.91 | 1,170,319 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 200 | $182.79 | 12,976 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 5,973 | $181.78 | 13,176 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 6,487 | $180.93 | 19,149 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 3,538 | $180.12 | 25,636 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 486 | $179.02 | 29,174 |
| 2026-10-20 | Duda Kenneth | Open-market sale | 649 | $177.91 | 29,660 |
| 2026-10-20 | Duda Kenneth | Option exercise | 17,333 | $14.15 | 30,309 |
| 2026-10-09 | Ullal Jayshree | Open-market sale | 93,241 | $217.10 | 15,432,507 |
| 2026-10-09 | Ullal Jayshree | Open-market sale | 18,656 | $217.10 | 4,774,691 |
| 2026-10-08 | Ullal Jayshree | Open-market sale | 19,990 | $217.05 | 15,525,748 |
| 2026-10-08 | Ullal Jayshree | Open-market sale | 4,000 | $217.05 | 4,793,347 |
| 2026-10-07 | Ullal Jayshree | Open-market sale | 69,272 | $217.14 | 15,545,738 |
| 2026-10-07 | Ullal Jayshree | Open-market sale | 13,860 | $217.14 | 4,797,347 |
| 2026-10-06 | Breithaupt Chantelle Yvette | Open-market sale | 1,224 | $215.00 | 68,697 |
| 2026-10-06 | Ullal Jayshree | Open-market sale | 3,902 | $213.06 | 15,615,010 |
| 2026-10-06 | Ullal Jayshree | Open-market sale | 259,045 | $212.27 | 15,618,912 |
| 2026-10-06 | Ullal Jayshree | Open-market sale | 65,897 | $211.36 | 15,877,957 |
| 2026-10-06 | Ullal Jayshree | Open-market sale | 781 | $213.06 | 4,811,207 |
| 2026-10-06 | Ullal Jayshree | Open-market sale | 51,805 | $212.27 | 4,811,988 |
| 2026-10-06 | Ullal Jayshree | Open-market sale | 13,179 | $211.36 | 4,863,793 |
| 2026-10-01 | TEMPLETON MARK B | Open-market sale | 200 | $206.03 | 48,410 |
| 2026-10-01 | TEMPLETON MARK B | Open-market sale | 1,800 | $205.58 | 48,610 |
| 2026-10-01 | TEMPLETON MARK B | Open-market sale | 1,800 | $204.44 | 50,410 |
| 2026-10-01 | TEMPLETON MARK B | Open-market sale | 500 | $202.90 | 52,210 |
| 2026-10-01 | TEMPLETON MARK B | Open-market sale | 700 | $201.62 | 52,710 |
| 2026-09-25 | Ullal Jayshree | Open-market sale | 44,726 | $211.40 | 15,943,854 |
| 2026-09-25 | Ullal Jayshree | Open-market sale | 8,948 | $211.40 | 4,876,972 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.