Kenneth Duda sold $6.9M of ANET
President and CTO at Arista Networks, Inc.. 56,000 shares at an average of $123.16, traded Dec 17, 2025, filed Dec 19, 2025.
Score components
- +20RolePresident
- +25Trade size$6.9M at market
- +20Share of holdings soldSold 100% of holdings
- 0ClusterNo other insider 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.
This signal so far: 1m -1.0%, 3m +0.1%, 6m +29.4%.
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 0001596532-25-000324, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 17, 2025 | MOption exercise Common Stock10b5-1 | +30,000 | $3.52 | $105k | 42,976 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stock10b5-1 | -15,766 | $122.43 | $1.9M | 27,210 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stock10b5-1 | -6,788 | $123.09 | $836k | 20,422 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stock10b5-1 | -4,553 | $124.32 | $566k | 15,869 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stock10b5-1 | -2,625 | $125.31 | $329k | 13,244 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stock10b5-1 | -268 | $126.44 | $34k | 12,976 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -8,409 | $122.43 | $1.0M | 1,150,759 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -3,619 | $123.09 | $445k | 1,147,140 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -2,429 | $124.32 | $302k | 1,144,711 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -1,400 | $125.31 | $175k | 1,143,311 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Childrens' Trust10b5-1 | -143 | $126.44 | $18k | 1,143,168 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -5,255 | $122.43 | $643k | 537,145 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -2,263 | $123.09 | $279k | 534,882 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -1,518 | $124.32 | $189k | 533,364 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -875 | $125.31 | $110k | 532,489 | Dec 19, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stockindirect: By Foundation10b5-1 | -89 | $126.44 | $11k | 532,400 | Dec 19, 2025 |
| Dec 17, 2025 | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -30,000 | $0.00 | $0 | 30,000 | Dec 19, 2025 |
Related signals
Other insiders at Arista Networks, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| Pro nowfree Oct 20, 2026 | Arista Networks, Inc. | Jayshree Ullal CEO and Chairperson | $34M 158,543 shares | -3% | |
| Pro nowfree Oct 16, 2026 | Arista Networks, Inc. | Jayshree Ullal CEO and Chairperson | $21M 96,992 shares | -2% | |
| Pro nowfree Oct 15, 2026 | Arista Networks, Inc. | Chantelle Yvette Breithaupt Senior Vice President, CFO | $263k 1,224 shares | -2% | |
| Pro nowfree Oct 15, 2026 | 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 Chief Development Officer | $60M 300,000 shares | -0% | |
| 35Weak | Arista Networks, Inc. | Mark B Templeton director | $986k 5,000 shares | -9% | |
| 27Weak | Arista Networks, Inc. | Chantelle Yvette Breithaupt Senior Vice President, CFO | $120k 612 shares | -1% |
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.