QSI
Quantum-Si Inc · Manufacturing · Market cap $304.9M
Insiders sold $39K net in the last 90 days ·3 sellers, 0 buyers· latest Form 4 filed Sep 23, 2026
Insider Buying
$564K
reported purchases (SEC code P)
Insider Selling
$493K
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Sep 23, 2026
Hawkins Jeffrey Alan
Quantum-Si Inc (QSI) has 23 SEC Form 4 filings (36 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Sep 23, 2026.
Inside the rolling window, 6 insiders at Quantum-Si Inc reported 2 open-market purchases totaling $564K and 30 open-market sales totaling $493K. The most active filer is President & CEO Hawkins Jeffrey Alan with 9 filings. Insiders have net sold $353K over the trailing 6 months. The most recent open-market filing is a sale of 20,143 shares by President & CEO Hawkins Jeffrey Alan, dated Sep 21, 2026, worth $15K.
- Industry:Medical - Devices
- CEO:Jeffrey Alan Hawkins
- Employees:145
- HQ:Branford, CT, US
- IPO:2020-11-13
| Source | |||||||
|---|---|---|---|---|---|---|---|
Hawkins Jeffrey AlanFirst in 3 months | President & CEO | Sale | 20,143 | $15K | Sep 23 | +84.5% | SEC ↗ |
Hawkins Jeffrey AlanFirst in 3 months | President & CEO | Sale | 9,709 | $7K | Sep 23 | +84.5% | SEC ↗ |
Keyes Jeffry R.First in 3 months | Chief Financial Officer | Sale | 5,172 | $4K | Sep 23 | +84.5% | SEC ↗ |
Keyes Jeffry R.First in 3 months | Chief Financial Officer | Sale | 2,493 | $2K | Sep 23 | +84.5% | SEC ↗ |
LaPointe ChristianFirst in 3 months | GC & Corp. Secretary | Sale | 9,795 | $7K | Sep 23 | +84.5% | SEC ↗ |
LaPointe ChristianFirst in 3 months | GC & Corp. Secretary | Sale | 4,721 | $4K | Sep 23 | +84.5% | SEC ↗ |
LaPointe ChristianFirst in 3 months | GC & Corp. Secretary | Sale | 7,794 | $7K | Jun 25 | +63.3% | SEC ↗ |
LaPointe ChristianFirst in 3 months | GC & Corp. Secretary | Sale | 7,794 | $7K | Jun 25 | +63.3% | SEC ↗ |
| Chief Financial Officer | Sale | 4,116 | $4K | Jun 25 | +63.3% | SEC ↗ | |
| Chief Financial Officer | Sale | 4,117 | $4K | Jun 25 | +63.3% | SEC ↗ | |
Vieceli John S.First in 3 months | Chief Product Officer | Sale | 15,111 | $14K | Jun 25 | — | SEC ↗ |
Vieceli John S.First in 3 months | Chief Product Officer | Sale | 15,112 | $14K | Jun 25 | — | SEC ↗ |
| President & CEO | Sale | 11,310 | $11K | Jun 25 | — | SEC ↗ | |
| President & CEO | Sale | 11,311 | $10K | Jun 25 | — | SEC ↗ | |
| President & CEO | Sale | 83,712 | $84K | Apr 22 | — | SEC ↗ | |
| President & CEO | Sale | 83,712 | $83K | Apr 22 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 37,382 | $38K | Apr 22 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 37,381 | $37K | Apr 22 | — | SEC ↗ | |
Hawkins Jeffrey AlanFirst in 3 months | President & CEO | Sale | 11,628 | $10K | Mar 24 | — | SEC ↗ |
Hawkins Jeffrey AlanFirst in 3 months | President & CEO | Sale | 12,149 | $10K | Mar 24 | — | SEC ↗ |
Vieceli John S.First in 3 months | Chief Product Officer | Sale | 10,758 | $9K | Mar 24 | — | SEC ↗ |
Vieceli John S.First in 3 months | Chief Product Officer | Sale | 11,239 | $9K | Mar 24 | — | SEC ↗ |
Keyes Jeffry R.First in 3 months | Chief Financial Officer | Sale | 4,233 | $4K | Mar 24 | — | SEC ↗ |
Keyes Jeffry R.First in 3 months | Chief Financial Officer | Sale | 4,422 | $4K | Mar 24 | — | SEC ↗ |
LaPointe ChristianFirst in 3 months | GC & Corp. Secretary | Sale | 5,849 | $5K | Mar 24 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does QSI have?
Quantum-Si Inc (QSI) has 23 SEC Form 4 filings (36 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Sep 23, 2026.
When was the most recent SEC Form 4 filing for QSI?
The most recent Form 4 filing for QSI on Tracefour is dated Sep 23, 2026.
Who is the most active insider at QSI?
The most active SEC Form 4 filer at QSI in the rolling window is President & CEO Hawkins Jeffrey Alan, with 9 filings.
What is the net insider flow at QSI over the last 6 months?
Over the trailing 180 days, insiders at QSI have net sold $353K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at QSI in the current window?
Inside the rolling window, insiders at QSI bought $564K and sold $493K based on SEC Form 4 filings.
Can I get alerts for QSI insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Quantum-Si Inc (QSI). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Quantum-Si Inc is in the Manufacturing sector.