Kenneth Duda sold $7.9M of ANET
President and CTO at Arista Networks, Inc.. 56,000 shares at an average of $141.80, traded Sep 17, 2025, filed Sep 19, 2025.
Score components
- +20RolePresident
- +25Trade size$7.9M at market
- +20Share of holdings soldSold 100% of holdings
- +15Cluster3 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 0001596532-25-000273, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 17, 2025 | MOption exercise Common Stock10b5-1 | +30,000 | $3.52 | $105k | 42,976 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stock10b5-1 | -965 | $139.14 | $134k | 42,011 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stock10b5-1 | -2,143 | $140.35 | $301k | 39,868 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stock10b5-1 | -16,247 | $141.33 | $2.3M | 23,621 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stock10b5-1 | -4,699 | $142.64 | $670k | 18,922 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stock10b5-1 | -5,946 | $143.35 | $852k | 12,976 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -514 | $139.14 | $72k | 1,206,654 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -1,142 | $140.35 | $160k | 1,205,512 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -8,666 | $141.33 | $1.2M | 1,196,846 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -2,506 | $142.64 | $357k | 1,194,340 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -3,172 | $143.35 | $455k | 1,191,168 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -321 | $139.14 | $45k | 572,079 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -715 | $140.35 | $100k | 571,364 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -5,415 | $141.33 | $765k | 565,949 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -1,567 | $142.64 | $224k | 564,382 | Sep 19, 2025 |
| Sep 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -1,982 | $143.35 | $284k | 562,400 | Sep 19, 2025 |
| Sep 17, 2025 | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -30,000 | $0.00 | $0 | 120,000 | Sep 19, 2025 |
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% | |
| 45Moderate | Arista Networks, Inc. | Kenneth Duda President and CTO | $8.8M 43,333 shares | -143% | |
| 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% | |
| 30Weak | Arista Networks, Inc. | Kenneth Duda President and CTO | $6.9M 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.