John S. Vieceli sold $35k of QSI
Chief Product Officer at Quantum-Si Inc. 21,923 shares at an average of $1.61, traded Jun 23, 2025, filed Jun 24, 2025.
Score components
- +15RoleOfficer
- +6Trade size$35k at market
- 0Share of holdings soldSold 2.5% of holdings
- +15Cluster4 insiders selling within 14 days
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 0001140361-25-023514, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jun 23, 2025 | SOpen-market sale Class A Common Stock | -21,923 | $1.61 | $35k | 842,586 | Jun 24, 2025 |
Related signals
Other insiders at Quantum-Si Inc and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 40Moderate | Quantum-Si Inc | Jeffrey Alan Hawkins President & CEO | $23k 29,852 shares | -1% | |
| 37Weak | Quantum-Si Inc | Jeffry R. Keyes Chief Financial Officer | $5,806 7,665 shares | -0% | |
| 30Weak | Quantum-Si Inc | Christian LaPointe GC & Corp. Secretary | $11k 14,516 shares | -1% | |
| 53Moderate | QSIbuy Quantum-Si Inc | Paula Dowdy director | $104k 109,890 shares | +69% | |
| 45Moderate | Quantum-Si Inc | Jeffrey Alan Hawkins President & CEO | $30k 23,707 shares | -1% | |
| 37Weak | Quantum-Si Inc | Jeffry R. Keyes Chief Financial Officer | $11k 8,627 shares | -1% | |
| 30Weak | Quantum-Si Inc | Christian LaPointe GC & Corp. Secretary | $15k 11,951 shares | -1% | |
| 35Weak | Quantum-Si Inc | John S. Vieceli Chief Product Officer | $28k 21,927 shares | -3% | |
| 4Weak | Quantum-Si Inc | Jonathan M Rothberg director, owner | $80k 26,095 shares | -1% | |
| 37Weak | Quantum-Si Inc | Todd C. Bennett Chief Commercial Officer | $61k 36,964 shares | -5% |
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.