Chris Diorio, Ph.D. Insider Trading Activity
Chris Diorio, Ph.D. has been net-selling over the last 12 months with 0 purchases and 37 sales across 1 company.
PI is the most-traded position with 37 trades. The largest single transaction was a sale of PI for $816K on Sep 2, 2025.
Performance Scorecard
Forward stock performance after each transaction by Chris Diorio, Ph.D.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -3.1% | 35% | 37 |
| 90 days | — | +14.5% | 100% | 37 |
| 120 days | — | +1.8% | 68% | 37 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersPI · IMPINJ INC
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| Sep 16, 2025 | PI | Sell | 12 | $191.76 | $2K | CEO |
| Sep 16, 2025 | PI | Sell | 1,821 | $186.43 | $339K | CEO |
| Sep 16, 2025 | PI | Sell | 1,073 | $187.52 | $201K | CEO |
| Sep 16, 2025 | PI | Sell | 850 | $189.21 | $161K | CEO |
| Sep 16, 2025 | PI | Sell | 340 | $190.26 | $65K | CEO |
| Sep 15, 2025 | PI | Sell | 568 | $179.26 | $102K | CEO |
| Sep 15, 2025 | PI | Sell | 467 | $180.65 | $84K | CEO |
| Sep 15, 2025 | PI | Sell | 1,909 | $181.84 | $347K | CEO |
| Sep 15, 2025 | PI | Sell | 1,260 | $182.77 | $230K | CEO |
| Sep 15, 2025 | PI | Sell | 796 | $183.47 | $146K | CEO |
| Sep 9, 2025 | PI | Sell | 249 | $196.34 | $49K | CEO |
| Sep 9, 2025 | PI | Sell | 330 | $190.42 | $63K | CEO |
| Sep 9, 2025 | PI | Sell | 199 | $191.30 | $38K | CEO |
| Sep 9, 2025 | PI | Sell | 510 | $192.84 | $98K | CEO |
| Sep 9, 2025 | PI | Sell | 1,332 | $194.18 | $259K | CEO |
| Sep 9, 2025 | PI | Sell | 1,120 | $195.10 | $219K | CEO |
| Sep 9, 2025 | PI | Sell | 790 | $197.23 | $156K | CEO |
| Sep 9, 2025 | PI | Sell | 303 | $197.86 | $60K | CEO |
| Sep 9, 2025 | PI | Sell | 167 | $199.77 | $33K | CEO |
| Sep 8, 2025 | PI | Sell | 1,893 | $191.81 | $363K | CEO |
| Sep 8, 2025 | PI | Sell | 3,007 | $192.58 | $579K | CEO |
| Sep 8, 2025 | PI | Sell | 100 | $193.29 | $19K | CEO |
| Sep 3, 2025 | PI | Sell | 2,557 | $190.15 | $486K | CEO |
| Sep 3, 2025 | PI | Sell | 925 | $187.96 | $174K | CEO |
| Sep 3, 2025 | PI | Sell | 1,438 | $189.49 | $272K | CEO |
| Sep 3, 2025 | PI | Sell | 80 | $186.37 | $15K | CEO |
| Sep 2, 2025 | PI | Sell | 483 | $181.35 | $88K | CEO |
| Sep 2, 2025 | PI | Sell | 4,517 | $180.56 | $816K | CEO |
| Aug 29, 2025 | PI | Sell | 2,000 | $188.39 | $377K | CEO |
| Aug 29, 2025 | PI | Sell | 2,800 | $189.39 | $530K | CEO |
| Aug 29, 2025 | PI | Sell | 200 | $190.28 | $38K | CEO |
| Aug 28, 2025 | PI | Sell | 784 | $186.80 | $146K | CEO |
| Aug 28, 2025 | PI | Sell | 1,749 | $188.14 | $329K | CEO |
| Aug 28, 2025 | PI | Sell | 960 | $189.06 | $182K | CEO |
| Aug 28, 2025 | PI | Sell | 325 | $190.33 | $62K | CEO |
| Aug 28, 2025 | PI | Sell | 70 | $190.79 | $13K | CEO |
| Aug 28, 2025 | PI | Sell | 1,112 | $185.93 | $207K | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| PI | IMPINJ INC | 37 | $7.3M |
Other insiders at IMPINJ INC
1 other tracked filer at PI.