CIK 0001816431 · Non-accelerated filer<br>Smaller reporting company
Quantum-Si Inc
Sign in to watch- Ticker
- QSI
- Exchange
- Nasdaq
- Industry
- Measuring & Controlling Devices, NEC
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 851388175
- Phone
- (203) 458-7100
- Business address
- 29 BUSINESS PARK DRIVE, BRANFORD, CT, 06405
- Former names
- HighCape Capital Acquisition Corp.
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $39,411
- in 3 filings
Net −$39,411. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 36 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-05-18 | Dowdy Paula Director | Grant or award · Stock Option (right to buy) | +251,185 | 251,185 | ||
| 2026-05-18 | RAKIN KEVIN Director | Grant or award · Stock Option (right to buy) | +251,185 | 251,185 | ||
| 2026-05-18 | ROTHBERG JONATHAN M Director | Grant or award · Stock Option (right to buy) | +251,185 | 251,185 | ||
| 2026-04-21 | Keyes Jeffry R. Chief Financial Officer | Sale | −37,381 | $1.00 | $37K | 1,732,582 |
| 2026-04-21 | Hawkins Jeffrey Alan President & CEO | Sale | −83,712 | $1.00 | $83K | 3,692,423 |
| 2026-04-20 | Keyes Jeffry R. Chief Financial Officer | Sale | −37,382 | $1.01 | $38K | 1,769,963 |
| 2026-04-20 | Hawkins Jeffrey Alan President & CEO | Sale | −83,712 | $1.01 | $84K | 3,776,135 |
| 2026-03-23 | Keyes Jeffry R. Chief Financial Officer | Sale | −4,422 | $0.83 | $4K | 1,807,345 |
| 2026-03-23 | LaPointe Christian GC & Corp. Secretary | Sale | −6,110 | $0.83 | $5K | 1,198,017 |
| 2026-03-23 | Vieceli John S. Chief Product Officer | Sale | −11,239 | $0.83 | $9K | 1,170,657 |
| 2026-03-23 | Hawkins Jeffrey Alan President & CEO | Sale | −12,149 | $0.83 | $10K | 3,859,847 |
| 2026-03-20 | Keyes Jeffry R. Chief Financial Officer | Sale | −4,233 | $0.85 | $4K | 1,811,767 |
| 2026-03-20 | LaPointe Christian GC & Corp. Secretary | Sale | −5,849 | $0.85 | $5K | 1,204,127 |
| 2026-03-20 | Vieceli John S. Chief Product Officer | Sale | −10,758 | $0.85 | $9K | 1,181,896 |
| 2026-03-20 | Hawkins Jeffrey Alan President & CEO | Sale | −11,628 | $0.85 | $10K | 3,871,996 |
| 2026-03-12 | Keyes Jeffry R. Chief Financial Officer | Grant or award | +652,803 | 1,816,000 | ||
| 2026-03-12 | Keyes Jeffry R. Chief Financial Officer | Grant or award · Stock Option (Right to Buy) | +780,847 | 780,847 | ||
| 2026-03-12 | Vieceli John S. Chief Product Officer | Grant or award | +391,681 | 1,192,654 | ||
| 2026-03-12 | Vieceli John S. Chief Product Officer | Grant or award · Stock Option (Right to Buy) | +468,508 | 468,508 | ||
| 2026-03-12 | Hawkins Jeffrey Alan President & CEO | Grant or award | +1,305,606 | 3,883,624 |
Page 2 of 7 · 138 trades