Q32 Bio Inc.

QTTB·NASDAQ·$7.09Share Price as of 11/2·$91MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/05/26 10-KFY 202503/10/26 10-QQ3 ended 09/30/2511/13/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report09/30/26 8-KCurrent report09/14/26 8-KCurrent report08/05/26 8-KCurrent report07/15/26 8-KCurrent report07/13/26

Prospectuses and Registrations

424B3Prospectus07/28/26 S-3Shelf registration07/17/26 424B5Prospectus supplement07/15/26 424B5Prospectus supplement07/13/26 S-3Shelf registration06/25/26

Proxies

DEF 14ADefinitive proxy04/30/26 DEFA14AAdditional proxy materials04/30/26 DEF 14ADefinitive proxy04/29/25 DEFA14AAdditional proxy materials04/29/25 PRE 14APreliminary proxy04/11/25

Ownership

SC 13GBeneficial ownership10/28/26 Form 4Insider transaction10/14/26 Form 4Insider transaction10/14/26 Form 4Insider transaction10/14/26 SC 13GBeneficial ownership10/09/26

Other

EFFECTRequest for effectiveness07/28/26 EFFECTRequest for effectiveness07/13/26 ARSAnnual report to shareholders04/30/26 UPLOADLetter from the SEC08/28/25 CORRESPCorrespondence with the SEC08/26/25