SEC Form 3 · accession 0001231919-26-000606
Q32 Bio Inc. · QTTB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owners
Period of report
May 26, 2026
Accepted (ET)
Jun 8, 2026 · 4:30 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001661998
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | holding | — | — | — | 625,000 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The shares are owned directly by Atlas Venture Opportunity Fund III, L.P. ("AVOF III"). Atlas Venture Associates Opportunity III, L.P. ("AVAO III LP") is the general partner of AVOF III. Atlas Venture Associates Opportunity III, LLC ("AVAO III LLC") is the general partner of AVAO III LP. Each of AVAO III LP and AVAO III LLC disclaims beneficial ownership of the securities held by AVOF III, except to the extent of its pecuniary interest therein, if any.
Remarks
The Reporting Persons are under common control with other entities affiliated with Atlas Venture who, together with the Reporting Persons, collectively beneficially own in the aggregate greater than 10% of the outstanding common stock of the Issuer. The Reporting Persons may be deemed to be members of a "group" with such other entities for purposes of Section 13 of the Exchange Act. However, the Reporting Persons disclaim such group membership, and this Form 3 shall not be deemed an admission that the Reporting Persons are members of a group for purposes of Section 13 of the Exchange Act or for any other purposes.