Free alerts

QSI insider buying

Every open-market purchase of Quantum-Si Inc (QSI) stock by its officers, directors and major shareholders, from SEC Form 4 filings.

Bought, last 12 months$564.40K
Insiders buying (12m)2
Purchases on record2
Last purchase filedMar 9, 2026

In the last 12 months, 2 insiders of Quantum-Si Inc bought $564.40K of QSI stock on the open market in 2 reported purchases. The most recent was filed on Mar 9, 2026: Kummeth Charles R. (Director) bought 500,000 shares at $0.92, worth $460K.

Get the next QSI insider buy on TelegramFree daily recap of the biggest insider purchases, straight from SEC filings. Real-time alerts for Premium members.

Join free on Telegram

All QSI insider purchases

FiledInsiderValueSharesPriceStakeTrade
Mar 9Kummeth Charles R.Director$460K500,000$0.92+141%Mar 5SEC
Mar 9Dowdy PaulaDirector$104.40K109,890$0.95+69%Mar 5SEC