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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.

Insider roster for Quantum-Si Inc
NameTitleLast reported holdingLast filingFilings, past year
Hawkins Jeffrey AlanPresident & CEO3,639,950Sep 23, 20266
Keyes Jeffry R.Chief Financial Officer1,716,684Sep 23, 20266
LaPointe ChristianGC & Corp. Secretary1,167,913Sep 23, 20265
Vieceli John S.Chief Product Officer1,140,434Jun 24, 20264
Rothberg Jonathan MDirector, 10% Owner1,904,866IndirectMay 20, 20262
Rakin KevinDirector1,200,000IndirectMay 20, 20261
Fattori Ruth ADirector–May 20, 20261
Makes BrigidDirector–May 20, 20261
Mendel ScottDirector141,843May 20, 20261
Kummeth Charles R.Director855,000May 20, 20262
Kenny John P.Director114,285May 20, 20261
Jafri AmirDirector115,942May 20, 20262
Dowdy PaulaDirector269,107May 20, 20262
Bennett Todd C.Chief Commercial Officer681,521Sep 24, 20250
Johnston GraceChief Commercial Officer295,940Jun 25, 20240
Mina MichaelDirector–May 16, 20230
McKenna Michael PEVP, Product Development & Ops869,021Mar 17, 20230
Drayton ClaudiaChief Financial Officer–Mar 17, 20230
Schneider PatrickPresident and COO–Mar 17, 20230
Bajaj VikramDirector66,666Jun 21, 20220
Dyer MatthewChief Business Officer333,393Jun 15, 20220
Dekkers Marijn EDirector–May 13, 20220
Stark John VIIIChief Executive Officer1,977,368Jan 12, 20220

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.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 23, 2026 (view filing)7:51 PM ETSep 21-222 daysHawkins Jeffrey AlanPresident & CEOSSaleClass A Common Stock−29.9K$0.7574−$22.6K−0.8%3.64M after2 lots
Sep 23, 2026 (view filing)7:45 PM ETSep 21-222 daysKeyes Jeffry R.Chief Financial OfficerSSaleClass A Common Stock−7.67K$0.7574−$5.81K−0.4%1.72M after2 lots
Sep 23, 2026 (view filing)7:40 PM ETSep 21-222 daysLaPointe ChristianGC & Corp. SecretarySSaleClass A Common Stock−14.5K$0.7574−$11.0K−1.2%1.17M after2 lots
Jun 24, 2026 (view filing)Jun 22-232 daysLaPointe ChristianGC & Corp. SecretarySSaleClass A Common Stock−15.6K$0.93−$14.5K−1.3%1.18M after2 lots
Jun 24, 2026 (view filing)Jun 22-232 daysKeyes Jeffry R.Chief Financial OfficerSSaleClass A Common Stock−8.23K$0.93−$7.66K−0.5%1.72M after2 lots
Jun 24, 2026 (view filing)Jun 22-232 daysVieceli John S.Chief Product OfficerSSaleClass A Common Stock−30.2K$0.93−$28.1K−2.6%1.14M after2 lots
Jun 24, 2026 (view filing)Jun 22-232 daysHawkins Jeffrey AlanPresident & CEOSSaleClass A Common Stock−22.6K$0.93−$21.0K−0.6%3.67M after2 lots
Apr 22, 2026 (view filing)Apr 20-212 daysKeyes Jeffry R.Chief Financial OfficerSSaleClass A Common Stock−74.8K$1.01−$75.1K−4.1%1.73M after2 lots
Apr 22, 2026 (view filing)Apr 20-212 daysHawkins Jeffrey AlanPresident & CEOSSaleClass A Common Stock−167.4K$1.01−$168.3K−4.3%3.69M after2 lots
Mar 24, 2026 (view filing)Mar 20-234 daysKeyes Jeffry R.Chief Financial OfficerSSaleClass A Common Stock−8.65K$0.8398−$7.27K−0.5%1.81M after2 lots
Mar 24, 2026 (view filing)Mar 20-234 daysLaPointe ChristianGC & Corp. SecretarySSaleClass A Common Stock−12.0K$0.8398−$10.0K−1.0%1.20M after2 lots
Mar 24, 2026 (view filing)Mar 20-234 daysVieceli John S.Chief Product OfficerSSaleClass A Common Stock−22.0K$0.8398−$18.5K−1.8%1.17M after2 lots
Mar 24, 2026 (view filing)Mar 20-234 daysHawkins Jeffrey AlanPresident & CEOSSaleClass A Common Stock−23.8K$0.8398−$20.0K−0.6%3.86M after2 lots
Mar 9, 2026 (view filing)Mar 54 daysKummeth Charles R.DirectorPPurchaseClass A Common Stock+500.0K$0.92+$460.0K+140.8%855.0K after
Mar 9, 2026 (view filing)Mar 54 daysDowdy PaulaDirectorPPurchaseClass A Common Stock+109.9K$0.95+$104.4K+69.0%269.1K after
Dec 22, 2025 (view filing)Dec 22Same dayVieceli John S.Chief Product OfficerSSaleClass A Common Stock−21.9K$1.28−$28.1K−2.7%801.0K after
Dec 22, 2025 (view filing)Dec 22Same dayLaPointe ChristianGC & Corp. SecretarySSaleClass A Common Stock−12.0K$1.28−$15.3K−1.2%948.9K after
Dec 22, 2025 (view filing)Dec 22Same dayKeyes Jeffry R.Chief Financial OfficerSSaleClass A Common Stock−8.63K$1.28−$11.0K−0.7%1.16M after
Dec 22, 2025 (view filing)Dec 22Same dayHawkins Jeffrey AlanPresident & CEOSSaleClass A Common Stock−23.7K$1.28−$30.3K−0.9%2.58M after
Oct 17, 2025 (view filing)Oct 161 dayRothberg Jonathan MDirector, 10% OwnerSSaleClass A Common Stock−26.1K$3.07−$80.1K−1.4%1.90M after10b5-1
Sep 24, 2025 (view filing)Sep 22-232 daysLaPointe ChristianGC & Corp. SecretarySSaleClass A Common Stock−10.7K$1.66−$17.8K−1.1%960.8K after2 lots
Sep 24, 2025 (view filing)Sep 22-232 daysHawkins Jeffrey AlanPresident & CEOSSaleClass A Common Stock−21.3K$1.66−$35.3K−0.8%2.60M after2 lots
Sep 24, 2025 (view filing)Sep 22-232 daysVieceli John S.Chief Product OfficerSSaleClass A Common Stock−19.7K$1.66−$32.7K−2.3%822.9K after2 lots
Sep 24, 2025 (view filing)Sep 22-232 daysKeyes Jeffry R.Chief Financial OfficerSSaleClass A Common Stock−7.75K$1.66−$12.9K−0.7%1.17M after2 lots
Sep 24, 2025 (view filing)Sep 22-232 daysBennett Todd C.Chief Commercial OfficerSSaleClass A Common Stock−37.0K$1.66−$61.4K−5.1%681.5K after2 lots
Jun 24, 2025 (view filing)Jun 231 dayHawkins Jeffrey AlanPresident & CEOSSaleClass A Common Stock−23.7K$1.61−$38.2K−0.9%2.62M after
Jun 24, 2025 (view filing)Jun 231 dayVieceli John S.Chief Product OfficerSSaleClass A Common Stock−21.9K$1.61−$35.3K−2.5%842.6K after
Jun 24, 2025 (view filing)Jun 231 dayLaPointe ChristianGC & Corp. SecretarySSaleClass A Common Stock−11.9K$1.61−$19.2K−1.2%971.5K after
Jun 24, 2025 (view filing)Jun 231 dayKeyes Jeffry R.Chief Financial OfficerSSaleClass A Common Stock−8.62K$1.61−$13.9K−0.7%1.18M after
Mar 24, 2025 (view filing)Mar 213 daysHawkins Jeffrey AlanPresident & CEOSSaleClass A Common Stock−23.7K$1.39−$33.0K−0.9%2.65M after
Mar 24, 2025 (view filing)Mar 213 daysLaPointe ChristianGeneral Counsel & Corp. Secr.SSaleClass A Common Stock−4.90K$1.39−$6.81K−0.5%983.5K after
Mar 24, 2025 (view filing)Mar 213 daysKeyes Jeffry R.Chief Financial OfficerSSaleClass A Common Stock−8.63K$1.39−$12.0K−0.7%1.19M after
Mar 24, 2025 (view filing)Mar 213 daysVieceli John S.Chief Product OfficerSSaleClass A Common Stock−4.32K$1.39−$6.00K−0.5%864.5K after
Dec 31, 2024 (view filing)Dec 274 daysRothberg Jonathan MDirector, 10% OwnerSSaleClass A Common Stock−3.51M$3.34−$11.7M−73.7%1.25M after8 lots10b5-1
Dec 26, 2024 (view filing)Dec 233 daysVieceli John S.Chief Product OfficerSSaleClass A Common Stock−4.31K$1.29−$5.55K−2.6%160.5K after
Sep 25, 2024 (view filing)Sep 23-242 daysVieceli John S.Chief Product OfficerSSaleClass A Common Stock−4.31K$0.9402−$4.05K−2.5%164.8K after2 lots
Aug 13, 2024 (view filing)Aug 94 daysHawkins Jeffrey AlanPresident & CEOPPurchaseClass A Common Stock+25.0K$0.85+$21.3K+2.6%1.00M after
Aug 13, 2024 (view filing)Aug 94 daysLaPointe ChristianGeneral Counsel & Corp. Secr.PPurchaseClass A Common Stock+25.0K$0.86+$21.5K+4.6%571.7K after
Aug 13, 2024 (view filing)Aug 94 daysKeyes Jeffry R.Chief Financial OfficerPPurchaseClass A Common Stock+50.0K$0.87+$43.5K+12.6%446.8K after
Aug 13, 2024 (view filing)Aug 9-124 daysKummeth Charles R.DirectorPPurchaseClass A Common Stock+170.0K$0.8737+$148.5K+91.9%355.0K after2 lots
Jun 25, 2024 (view filing)Jun 21-244 daysJohnston GraceChief Commercial OfficerSSaleClass A Common Stock−7.53K$1.21−$9.08K−2.5%295.9K after2 lots
Mar 18, 2024 (view filing)Mar 144 daysHawkins Jeffrey AlanPresident & CEOPPurchaseClass A Common Stock+25.0K$1.76+$44.0KNew position25.0K after
Mar 18, 2024 (view filing)Mar 153 daysLaPointe ChristianGeneral Counsel & Corp. Secr.PPurchaseClass A Common Stock+10.0K$1.74+$17.4K+4.0%257.7K after
Mar 6, 2024 (view filing)Mar 51 dayKeyes Jeffry R.Chief Financial OfficerPPurchaseClass A Common Stock+50.0K$1.61+$80.5KNew position50.0K after
Mar 17, 2023 (view filing)Mar 152 daysLaPointe ChristianGeneral Counsel & Corp. Secr.PPurchaseClass A Common Stock+20.0K$1.77+$35.4K+8.8%247.7K after
Dec 16, 2022 (view filing)Dec 151 dayRakin KevinDirectorSSaleClass A Common Stock−89.0K$2.15−$191.3K−4.7%1.80M after
Aug 18, 2022 (view filing)Aug 171 dayLaPointe ChristianGeneral Counsel & Corp. Secr.PPurchaseClass A Common Stock+20.0K$3.93+$78.6K+9.6%227.7K after
Jun 16, 2022 (view filing)Jun 142 daysRothberg Jonathan MInterim CEOPPurchaseClass A Common Stock+25.6K$3.10+$79.2K+1.0%2.57M after
Jun 15, 2022 (view filing)Jun 132 daysMcKenna Michael PEVP, Product Development & OpsSSaleClass A Common Stock−1.65K$3.22−$5.31K−0.2%869.0K after
Jun 15, 2022 (view filing)Jun 132 daysDyer MatthewChief Business OfficerSSaleClass A Common Stock−1.62K$3.22−$5.22K−0.5%333.4K after