Keyes Jeffry R. Insider Trades & Stock Holdings

Chief Financial Officer · Quantum-Si incorporated · Latest filing Sep 22, 2026

Keyes Jeffry R., Chief Financial Officer at Quantum-Si incorporated has 2 Form 4 trades on file since Sep 21, 2026. Open-market activity: 0 purchases ($0) and 2 sales ($5.81K), net -$5.81K. Latest filing: disposed of 2.49K shares of $QSI on Sep 22, 2026 at $0.76.

Trades on file

2

Open-market bought

$0

Open-market sold

$5.81K

Net open-market

-$5.81K

Latest filing

Sep 22, 2026

All insider trades by Keyes Jeffry R.

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Sep 22, 2026	$QSI	Sell (Open-market sale)	2.49K	$0.76	$1.90K			+21.5%			Chief Financial Officer		—
Sep 21, 2026	$QSI	Sell (Open-market sale)	5.17K	$0.76	$3.91K			+5.3%			Chief Financial Officer		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Keyes Jeffry R. traded

• $QSI

Frequently asked questions

Has Keyes Jeffry R. been buying or selling stock?

Keyes Jeffry R. has 0 open-market purchases and 2 open-market sales on file, net -$5.81K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Keyes Jeffry R.'s latest insider trade?

disposed of 2.49K shares of $QSI on Sep 22, 2026 at $0.76.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.