GRAYZEL DAVID S. bought QTTB

June 12, 2026 · Form 4 insider transaction

GRAYZEL DAVID S. bought 9,810 shares of Q32 Bio Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Acquired (buy-side)
Shares
9,810
Price
$0.00
Total value
N/A
RoleDirector
SecurityStock Option (Right to Buy)
Transaction codeA: Grant or award
Transaction dateJune 12, 2026
Filing dateJune 16, 2026
Shares owned after9,810
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

The shares underlying this option shall vest and become exercisable in full upon the earlier of (i) June 12, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service on such vesting date.; This option was granted to the Reporting Person, a director of the Issuer. The proceeds of any sale of shares of common stock issued to the Reporting Person upon exercise of this option will be transferred to Atlas Venture Life Science Advisors, LLC and as such, the Reporting Person disclaims ownership of such securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.

View the original Form 4 on SEC EDGAR