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Quantum-Si Inc (QSI)

Quantum-Si Inc (QSI) Insider Trading

Directors, officers and holders of more than 10% of QSI report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 96 transactions on file: 2 with code P, 30 with code S and 18 with other codes.

DateInsiderCodeShares
Sep 22, 2026LaPointe ChristianS Sale4,721
Sep 22, 2026Keyes Jeffry R.S Sale2,493
Sep 22, 2026Hawkins Jeffrey AlanS Sale9,709
Sep 21, 2026Keyes Jeffry R.S Sale5,172
Sep 21, 2026LaPointe ChristianS Sale9,795
Sep 21, 2026Hawkins Jeffrey AlanS Sale20,143
Jun 23, 2026Keyes Jeffry R.S Sale4,117
Jun 23, 2026Hawkins Jeffrey AlanS Sale11,311
Jun 23, 2026Vieceli John S.S Sale15,112
Jun 23, 2026LaPointe ChristianS Sale7,794
Jun 22, 2026Vieceli John S.S Sale15,111
Jun 22, 2026LaPointe ChristianS Sale7,794
Jun 22, 2026Hawkins Jeffrey AlanS Sale11,310
Jun 22, 2026Keyes Jeffry R.S Sale4,116
May 18, 2026ROTHBERG JONATHAN MA Award251,185
May 18, 2026Mendel ScottA Award251,185
May 18, 2026RAKIN KEVINA Award251,185
May 18, 2026Jafri AmirA Award251,185
May 18, 2026Fattori Ruth AA Award251,185
May 18, 2026Makes BrigidA Award251,185
May 18, 2026Kenny John P.A Award251,185
May 18, 2026Dowdy PaulaA Award251,185
May 18, 2026Kummeth Charles R.A Award251,185
Apr 21, 2026Keyes Jeffry R.S Sale37,381
Apr 21, 2026Hawkins Jeffrey AlanS Sale83,712
Apr 20, 2026Keyes Jeffry R.S Sale37,382
Apr 20, 2026Hawkins Jeffrey AlanS Sale83,712
Mar 23, 2026LaPointe ChristianS Sale6,110
Mar 23, 2026Keyes Jeffry R.S Sale4,422
Mar 23, 2026Hawkins Jeffrey AlanS Sale12,149
Mar 23, 2026Vieceli John S.S Sale11,239
Mar 20, 2026Hawkins Jeffrey AlanS Sale11,628
Mar 20, 2026Vieceli John S.S Sale10,758
Mar 20, 2026LaPointe ChristianS Sale5,849
Mar 20, 2026Keyes Jeffry R.S Sale4,233
Mar 12, 2026LaPointe ChristianA Award312,339
Mar 12, 2026Hawkins Jeffrey AlanA Award1,305,606
Mar 12, 2026Vieceli John S.A Award391,681
Mar 12, 2026Keyes Jeffry R.A Award652,803
Mar 12, 2026Vieceli John S.A Award468,508
Mar 12, 2026Keyes Jeffry R.A Award780,847
Mar 12, 2026Hawkins Jeffrey AlanA Award1,561,695
Mar 12, 2026LaPointe ChristianA Award261,121
Mar 5, 2026Kummeth Charles R.P Purchase500,000
Mar 5, 2026Dowdy PaulaP Purchase109,890
Feb 24, 2026Jafri AmirA Award114,055
Dec 22, 2025Hawkins Jeffrey AlanS Sale23,707
Dec 22, 2025Keyes Jeffry R.S Sale8,627
Dec 22, 2025Vieceli John S.S Sale21,927
Dec 22, 2025LaPointe ChristianS Sale11,951

The full Form 4 history is on the QSI company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.