QTTB Q32 Bio Inc.

NASDAQ
$10.54

Q32 Bio Inc. (QTTB) 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 Bullish Insiders bought more than they sold over this window — uncommon at any size.
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
2
4 transactions
Insiders selling
3
8 transactions
Purchases
$30.0M
3,750,000 shares
Sales
$459.8K
64,899 shares
Net activity
$29.5M
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 $459.8K 8 transactions · 64,899 shares

Largest single sale: $163.0K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: May 28, 2026 .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Morrison Jodie Pope CEO Sell 9,845 $16.56 $163.0K 343,259 −2.8% of holding
Kalowski Lee CFO and President Sell 3,972 $16.56 $65.8K 138,471 −2.8% of holding
Violette Shelia M. Chief Scientific Officer Sell 2,798 $16.56 $46.3K 127,771 −2.1% of holding
2 fills Buy 1,875,000 $8.00 $15.0M 3,502,987
Xu Diyong 2 fills Director Buy 1,875,000 $8.00 $15.0M 3,502,987
Morrison Jodie Pope CEO Sell 9,896 $4.51 $44.7K 89,104 −10% of holding
Kalowski Lee CFO and President Sell 3,995 $4.51 $18.0K 35,943 −10% of holding
Violette Shelia M. Chief Scientific Officer Sell 2,815 $4.51 $12.7K 55,569 −4.8% of holding
Morrison Jodie Pope CEO Sell 22,506 $3.46 $77.9K 99,000 −18.5% of holding
Kalowski Lee CFO and President Sell 9,072 $3.46 $31.4K 39,938 −18.5% 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.