Updated Jul 16, 2026 · Last SEC filing 2026-06-25
Quantum-Si Inc (QSI) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-25. 3 Form 8-K material event filings were reported by QSI in the last 90 days. 6 Form 144 notices of proposed sale were filed for QSI stock. InsiderAlpha tracks every QSI SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Measuring & Controlling Devices, NEC (SIC 3829) |
|---|---|
| SEC CIK | 0001816431 |
| Form 4 filings (90d) | 15 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 6 |
| Latest Form 4 filing | 2026-06-25 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Hawkins Jeffrey Alan | President & CEO | S — Open-market sale | 11.3K | $0.90 | $10K | SEC | |
| Keyes Jeffry R. | Chief Financial Officer | S — Open-market sale | 4.1K | $0.90 | $4K | SEC | |
| LaPointe Christian | GC & Corp. Secretary | S — Open-market sale | 7.8K | $0.90 | $7K | SEC | |
| Vieceli John S. | Chief Product Officer | S — Open-market sale | 15.1K | $0.90 | $14K | SEC | |
| Keyes Jeffry R. | Chief Financial Officer | S — Open-market sale | 4.1K | $0.96 | $4K | SEC | |
| Vieceli John S. | Chief Product Officer | S — Open-market sale | 15.1K | $0.96 | $14K | SEC | |
| Hawkins Jeffrey Alan | President & CEO | S — Open-market sale | 11.3K | $0.96 | $11K | SEC | |
| LaPointe Christian | GC & Corp. Secretary | S — Open-market sale | 7.8K | $0.96 | $7K | SEC | |
| Keyes Jeffry R. | Chief Financial Officer | S — Open-market sale | 37.4K | $0.99 | $37K | SEC | |
| Hawkins Jeffrey Alan | President & CEO | S — Open-market sale | 83.7K | $0.99 | $83K | SEC | |
| Keyes Jeffry R. | Chief Financial Officer | S — Open-market sale | 37.4K | $1.01 | $38K | SEC | |
| Hawkins Jeffrey Alan | President & CEO | S — Open-market sale | 83.7K | $1.01 | $84K | SEC | |
| Hawkins Jeffrey Alan | President & CEO | S — Open-market sale | 12.1K | $0.83 | $10K | SEC | |
| LaPointe Christian | GC & Corp. Secretary | S — Open-market sale | 6.1K | $0.83 | $5K | SEC | |
| Vieceli John S. | Chief Product Officer | S — Open-market sale | 11.2K | $0.83 | $9K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Quantum-Si Inc (QSI). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Keyes Jeffry R. | 4 | $82K |
| Hawkins Jeffrey Alan | 4 | $189K |
| LaPointe Christian | 2 | $14K |
| Vieceli John S. | 2 | $28K |
| Kenny John P. | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in QSI insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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