About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

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Showing: ticker QSI

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Sep 22, 2026Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale9,709$0.76$7,379 SaleForm 4 ↗
Sep 22, 2026Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale2,493$0.76$1,895 SaleForm 4 ↗
Sep 22, 2026Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale4,721$0.76$3,588 SaleForm 4 ↗
Sep 21, 2026Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale20,143$0.76$15.3K SaleForm 4 ↗
Sep 21, 2026Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale5,172$0.76$3,931 SaleForm 4 ↗
Sep 21, 2026Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale9,795$0.76$7,444 SaleForm 4 ↗
Jun 23, 2026Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale7,794$0.90$7,015 SaleForm 4 ↗
Jun 23, 2026Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale4,117$0.90$3,705 SaleForm 4 ↗
Jun 23, 2026John S. Vieceli
Chief Product Officer
QSI
Quantum-Si Incorporated
Sale15,112$0.90$13.6K SaleForm 4 ↗
Jun 23, 2026Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale11,311$0.90$10.2K SaleForm 4 ↗
Jun 22, 2026Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale7,794$0.96$7,482 SaleForm 4 ↗
Jun 22, 2026Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale4,116$0.96$3,951 SaleForm 4 ↗
Jun 22, 2026John S. Vieceli
Chief Product Officer
QSI
Quantum-Si Incorporated
Sale15,111$0.96$14.5K SaleForm 4 ↗
Jun 22, 2026Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale11,310$0.96$10.9K SaleForm 4 ↗
Apr 21, 2026Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale37,381$1.00$37.4K SaleForm 4 ↗
Apr 21, 2026Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale83,712$1.00$83.7K SaleForm 4 ↗
Apr 20, 2026Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale37,382$1.01$37.8K SaleForm 4 ↗
Apr 20, 2026Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale83,712$1.01$84.5K SaleForm 4 ↗
Mar 23, 2026Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale4,422$0.83$3,670 SaleForm 4 ↗
Mar 23, 2026Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale6,110$0.83$5,071 SaleForm 4 ↗
Mar 23, 2026John S. Vieceli
Chief Product Officer
QSI
Quantum-Si Incorporated
Sale11,239$0.83$9,328 SaleForm 4 ↗
Mar 23, 2026Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale12,149$0.83$10.1K SaleForm 4 ↗
Mar 20, 2026Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale4,233$0.85$3,598 SaleForm 4 ↗
Mar 20, 2026Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale5,849$0.85$4,972 SaleForm 4 ↗
Mar 20, 2026John S. Vieceli
Chief Product Officer
QSI
Quantum-Si Incorporated
Sale10,758$0.85$9,144 SaleForm 4 ↗
Mar 20, 2026Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale11,628$0.85$9,884 SaleForm 4 ↗
Mar 5, 2026Charles R. Kummeth
Director
QSI
Quantum-Si Incorporated
Buy500,000$0.92$460.0K BuyForm 4 ↗
Mar 5, 2026Paula Dowdy
Director
QSI
Quantum-Si Incorporated
Buy109,890$0.95$104.4K BuyForm 4 ↗
Dec 22, 2025John S. Vieceli
Chief Product Officer
QSI
Quantum-Si Incorporated
Sale21,927$1.28$28.1K SaleForm 4 ↗
Dec 22, 2025Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale11,951$1.28$15.3K SaleForm 4 ↗
Dec 22, 2025Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale8,627$1.28$11.0K SaleForm 4 ↗
Dec 22, 2025Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale23,707$1.28$30.3K SaleForm 4 ↗
Oct 16, 2025Jonathan M. Rothberg
Director, 10% owner
QSI
Quantum-Si Incorporated
Sale26,095$3.07$80.1K SaleForm 4 ↗
Sep 23, 2025Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale5,364$1.64$8,797 SaleForm 4 ↗
Sep 23, 2025Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale10,643$1.64$17.5K SaleForm 4 ↗
Sep 23, 2025John S. Vieceli
Chief Product Officer
QSI
Quantum-Si Incorporated
Sale9,843$1.64$16.1K SaleForm 4 ↗
Sep 23, 2025Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale3,873$1.64$6,352 SaleForm 4 ↗
Sep 23, 2025Todd C. Bennett
Chief Commercial Officer
QSI
Quantum-Si Incorporated
Sale18,482$1.64$30.3K SaleForm 4 ↗
Sep 22, 2025Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale5,364$1.68$9,012 SaleForm 4 ↗
Sep 22, 2025Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale10,643$1.68$17.9K SaleForm 4 ↗
Sep 22, 2025John S. Vieceli
Chief Product Officer
QSI
Quantum-Si Incorporated
Sale9,843$1.68$16.5K SaleForm 4 ↗
Sep 22, 2025Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale3,873$1.68$6,507 SaleForm 4 ↗
Sep 22, 2025Todd C. Bennett
Chief Commercial Officer
QSI
Quantum-Si Incorporated
Sale18,482$1.68$31.0K SaleForm 4 ↗
Jun 23, 2025Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale23,705$1.61$38.2K SaleForm 4 ↗
Jun 23, 2025John S. Vieceli
Chief Product Officer
QSI
Quantum-Si Incorporated
Sale21,923$1.61$35.3K SaleForm 4 ↗
Jun 23, 2025Christian LaPointe
GC & Corp. Secretary
QSI
Quantum-Si Incorporated
Sale11,946$1.61$19.2K SaleForm 4 ↗
Jun 23, 2025Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale8,624$1.61$13.9K SaleForm 4 ↗
Mar 21, 2025Jeffrey Alan Hawkins
President & CEO, Director
QSI
Quantum-Si Incorporated
Sale23,707$1.39$33.0K SaleForm 4 ↗
Mar 21, 2025Christian LaPointe
General Counsel & Corp. Secr.
QSI
Quantum-Si Incorporated
Sale4,896$1.39$6,805 SaleForm 4 ↗
Mar 21, 2025Jeffry R. Keyes
Chief Financial Officer
QSI
Quantum-Si Incorporated
Sale8,626$1.39$12.0K SaleForm 4 ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 6:42 PM EST.

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