QSI Quantum-Si Incorporated

NASDAQ
$1.43

Quantum-Si Incorporated (QSI) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Subdued Selling ran below QSI's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 3 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
3
6 transactions
Purchases
$0
0 shares
Sales
$39.4K
52,033 shares
Net activity
-$39.4K
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $39.4K 6 transactions · 52,033 shares

Largest single sale: $15.2K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: March 5, 2026 , by Kummeth Charles R. .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Hawkins Jeffrey Alan President & CEO Sell 9,709 $0.76 $7.4K 3,639,950 −0.3% of holding
LaPointe Christian GC & Corp. Secretary Sell 4,721 $0.76 $3.6K 1,167,913 −0.4% of holding
Keyes Jeffry R. Chief Financial Officer Sell 2,493 $0.76 $1.9K 1,716,684 −0.1% of holding
Hawkins Jeffrey Alan President & CEO Sell 20,143 $0.76 $15.2K 3,649,659 −0.5% of holding
LaPointe Christian GC & Corp. Secretary Sell 9,795 $0.76 $7.4K 1,172,634 −0.8% of holding
Keyes Jeffry R. Chief Financial Officer Sell 5,172 $0.76 $3.9K 1,719,177 −0.3% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.