Quantum-Si Inc
QSI- Exchange
- Nasdaq
- Industry
- Measuring & Controlling Devices, NEC
- SEC CIK
- 0001816431
In the last 90 days, Quantum-Si Inc insiders filed 0 open-market purchases and 3 sales; 141 institutions reported holding it in 13F filings for Q2 2026, worth $46.8M in total; ARK Invest is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Quantum-Si Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 3 filings
- 3 insiders, $39.4K in total
- Insiders trading
- 3
- Net value
- −$39.4K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Quantum-Si Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Hawkins Jeffrey Alan | President & CEO | 3,639,950 | Sep 23, 2026 | 6 |
| Keyes Jeffry R. | Chief Financial Officer | 1,716,684 | Sep 23, 2026 | 6 |
| LaPointe Christian | GC & Corp. Secretary | 1,167,913 | Sep 23, 2026 | 5 |
| Vieceli John S. | Chief Product Officer | 1,140,434 | Jun 24, 2026 | 4 |
| Rothberg Jonathan M | Director, 10% Owner | 1,904,866Indirect | May 20, 2026 | 2 |
| Rakin Kevin | Director | 1,200,000Indirect | May 20, 2026 | 1 |
| Fattori Ruth A | Director | – | May 20, 2026 | 1 |
| Makes Brigid | Director | – | May 20, 2026 | 1 |
| Mendel Scott | Director | 141,843 | May 20, 2026 | 1 |
| Kummeth Charles R. | Director | 855,000 | May 20, 2026 | 2 |
| Kenny John P. | Director | 114,285 | May 20, 2026 | 1 |
| Jafri Amir | Director | 115,942 | May 20, 2026 | 2 |
| Dowdy Paula | Director | 269,107 | May 20, 2026 | 2 |
| Bennett Todd C. | Chief Commercial Officer | 681,521 | Sep 24, 2025 | 0 |
| Johnston Grace | Chief Commercial Officer | 295,940 | Jun 25, 2024 | 0 |
| Mina Michael | Director | – | May 16, 2023 | 0 |
| McKenna Michael P | EVP, Product Development & Ops | 869,021 | Mar 17, 2023 | 0 |
| Drayton Claudia | Chief Financial Officer | – | Mar 17, 2023 | 0 |
| Schneider Patrick | President and COO | – | Mar 17, 2023 | 0 |
| Bajaj Vikram | Director | 66,666 | Jun 21, 2022 | 0 |
| Dyer Matthew | Chief Business Officer | 333,393 | Jun 15, 2022 | 0 |
| Dekkers Marijn E | Director | – | May 13, 2022 | 0 |
| Stark John VIII | Chief Executive Officer | 1,977,368 | Jan 12, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 24, 2026 (view filing) | Jun 22-23 | 2 days | LaPointe ChristianGC & Corp. Secretary | SSaleClass A Common Stock | −15.6K | $0.93 | −$14.5K | −1.3%1.18M after | 2 lots |
| Sep 23, 2026 (view filing)7:40 PM ET | Sep 21-22 | 2 days | LaPointe ChristianGC & Corp. Secretary | SSaleClass A Common Stock | −14.5K | $0.7574 | −$11.0K | −1.2%1.17M after | 2 lots |
| Sep 23, 2026 (view filing)7:45 PM ET | Sep 21-22 | 2 days | Keyes Jeffry R.Chief Financial Officer | SSaleClass A Common Stock | −7.67K | $0.7574 | −$5.81K | −0.4%1.72M after | 2 lots |
| Sep 23, 2026 (view filing)7:51 PM ET | Sep 21-22 | 2 days | Hawkins Jeffrey AlanPresident & CEO | SSaleClass A Common Stock | −29.9K | $0.7574 | −$22.6K | −0.8%3.64M after | 2 lots |