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 |
|---|---|---|---|---|---|---|
| 2026-03-12 | Hawkins Jeffrey Alan President & CEO | Grant or award · Stock Option (Right to Buy) | +1,561,695 | 1,561,695 | ||
| 2026-03-12 | LaPointe Christian GC & Corp. Secretary | Grant or award | +261,121 | 1,209,976 | ||
| 2026-03-12 | LaPointe Christian GC & Corp. Secretary | Grant or award · Stock Option (Right to Buy) | +312,339 | 312,339 | ||
| 2026-03-05 | Kummeth Charles R. Director | Purchase | +500,000 | $0.92 | $460K | 855,000 |
| 2026-03-05 | Dowdy Paula Director | Purchase | +109,890 | $0.95 | $104K | 269,107 |
| 2026-02-24 | Jafri Amir Director | Grant or award · Stock Option (right to buy) | +114,055 | 114,055 | ||
| 2025-12-22 | Vieceli John S. Chief Product Officer | Sale | −21,927 | $1.28 | $28K | 800,973 |
| 2025-12-22 | LaPointe Christian GC & Corp. Secretary | Sale | −11,951 | $1.28 | $15K | 948,855 |
| 2025-12-22 | Keyes Jeffry R. Chief Financial Officer | Sale | −8,627 | $1.28 | $11K | 1,163,197 |
| 2025-12-22 | Hawkins Jeffrey Alan President & CEO | Sale | −23,707 | $1.28 | $30K | 2,578,018 |
| 2025-10-16 | ROTHBERG JONATHAN M Director | Sale 10b5-1 | −26,095 | $3.07 | $80K | 1,904,866 |
| 2025-09-23 | LaPointe Christian GC & Corp. Secretary | Sale | −5,364 | $1.64 | $9K | 960,806 |
| 2025-09-23 | Hawkins Jeffrey Alan President & CEO | Sale | −10,643 | $1.64 | $17K | 2,601,725 |
| 2025-09-23 | Vieceli John S. Chief Product Officer | Sale | −9,843 | $1.64 | $16K | 822,900 |
| 2025-09-23 | Keyes Jeffry R. Chief Financial Officer | Sale | −3,873 | $1.64 | $6K | 1,171,824 |
| 2025-09-23 | Bennett Todd C. Chief Commercial Officer | Sale | −18,482 | $1.64 | $30K | 681,521 |
| 2025-09-22 | LaPointe Christian GC & Corp. Secretary | Sale | −5,364 | $1.68 | $9K | 966,170 |
| 2025-09-22 | Hawkins Jeffrey Alan President & CEO | Sale | −10,643 | $1.68 | $18K | 2,612,368 |
| 2025-09-22 | Vieceli John S. Chief Product Officer | Sale | −9,843 | $1.68 | $17K | 832,743 |
| 2025-09-22 | Keyes Jeffry R. Chief Financial Officer | Sale | −3,873 | $1.68 | $7K | 1,175,697 |
Page 3 of 7 · 138 trades