Kenneth Duda sold $8.8M of ANET
President and CTO at Arista Networks, Inc.. 43,333 shares at an average of $203.50, traded Sep 21, 2026, filed Sep 23, 2026.
Score components
- +20RolePresident
- +25Trade size$8.8M at market
- +20Share of holdings soldSold 100% of holdings
- +15Cluster4 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001596532-26-000232, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 21, 2026 | MOption exercise Common Stock10b5-1 | +17,333 | $14.15 | $245k | 30,309 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stock10b5-1 | -1,480 | $201.70 | $299k | 28,829 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stock10b5-1 | -7,420 | $202.66 | $1.5M | 21,409 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stock10b5-1 | -2,700 | $203.49 | $549k | 18,709 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stock10b5-1 | -3,533 | $204.78 | $723k | 15,176 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stock10b5-1 | -2,200 | $205.50 | $452k | 12,976 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -1,366 | $201.70 | $276k | 1,185,552 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -6,849 | $202.66 | $1.4M | 1,178,703 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -2,492 | $203.49 | $507k | 1,176,211 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -3,262 | $204.78 | $668k | 1,172,949 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -2,031 | $205.50 | $417k | 1,170,918 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -854 | $201.70 | $172k | 451,546 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -4,281 | $202.66 | $868k | 447,265 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -1,558 | $203.49 | $317k | 445,707 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -2,038 | $204.78 | $417k | 443,669 | 19 d ago |
| Sep 21, 2026 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -1,269 | $205.50 | $261k | 442,400 | 19 d ago |
| Sep 21, 2026 | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -17,333 | $0.00 | $0 | 138,668 | 19 d ago |
Related signals
Other insiders at Arista Networks, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 45Moderate | Arista Networks, Inc. | Jayshree Ullal CEO and Chairperson | $21M 96,992 shares | -2% | |
| 30Weak | Arista Networks, Inc. | Chantelle Yvette Breithaupt Senior Vice President, CFO | $263k 1,224 shares | -2% | |
| 45Moderate | Arista Networks, Inc. | Jayshree Ullal CEO and Chairperson | $98M 460,374 shares | -9% | |
| 35Weak | Arista Networks, Inc. | Mark B Templeton director | $1.0M 5,000 shares | -9% | |
| 45Moderate | Arista Networks, Inc. | Jayshree Ullal CEO and Chairperson | $13M 62,622 shares | -1% | |
| 32Weak | Arista Networks, Inc. | Andreas Bechtolsheim owner | $60M 300,000 shares | -0% | |
| 35Weak | Arista Networks, Inc. | Mark B Templeton director | $986k 5,000 shares | -9% | |
| 20Weak | Arista Networks, Inc. | Chantelle Yvette Breithaupt Senior Vice President, CFO | $120k 612 shares | -1% | |
| 58Moderate | Arista Networks, Inc. | Jayshree Ullal President and CEO | $12M 117,782 shares | -101% | |
| 33Weak | Arista Networks, Inc. | Kenneth Duda CTO and SVP Software Eng. | $5.2M 56,000 shares | -130% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.