Company Analysis

Q32 Bio Inc. (QTTB)

Nasdaq: QTTB · Pharmaceutical Preparations · Waltham, MA · filing with the SEC since 2016
Grade5.7
◀ Past 4.5● Present 6.5▶ Future 5.7
3 est.

Filings

292 filings since 2017 beside 297 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer and smaller reporting company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 35 days after the quarter ended. The proxy statement was last filed Apr 30, 2026.

Filings a yearinsider forms included
7143483655946692
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 5 times in the last 36 months, the newest Dec 19, 2025.Listing warning from its exchange (8-K item 3.01): 2 times in the last 36 months, the newest May 23, 2025.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Mar 27, 2024.SEC letters: 13 in the last 36 months, the newest Aug 28, 2025.
Insider forms 297

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 6, 2026 SCHEDULE 13G/A Large holder update, amended
Nov 6, 2026 SCHEDULE 13G/A Large holder update, amended
Nov 4, 2026 10-Q Quarterly report Sep 30, 2026
Nov 4, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 28, 2026 SCHEDULE 13G Large holder notice
Oct 9, 2026 SCHEDULE 13G Large holder notice
Sep 30, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Sep 14, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 5, 2026 10-Q Quarterly report Jun 30, 2026
Aug 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 31, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 28, 2026 EFFECT Registration effective
Jul 28, 2026 424B3 Shelf offering
Jul 20, 2026 SCHEDULE 13D/A Activist holder update, amended
Jul 17, 2026 S-3 Shelf registration
Jul 15, 2026 8-K items 1.01, 9.01 Major agreement signed · Current report Jul 14, 2026
Jul 15, 2026 424B5 Shelf offering
Jul 13, 2026 EFFECT Registration effective
Jul 13, 2026 424B5 Shelf offering
Jul 13, 2026 8-K items 8.01, 9.01 Other event · Current report
Jul 13, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Jul 10, 2026 SCHEDULE 13G Large holder notice
Jul 6, 2026 SCHEDULE 13G/A Large holder update, amended
Jun 25, 2026 S-3 Shelf registration
Jun 16, 2026 8-K item 5.07 Shareholder vote · Current report Jun 12, 2026
Jun 4, 2026 SCHEDULE 13G Large holder notice
Jun 4, 2026 SCHEDULE 13G Large holder notice
Jun 1, 2026 SCHEDULE 13D/A Activist holder update, amended
May 28, 2026 SCHEDULE 13D/A Activist holder update, amended
May 27, 2026 8-K items 1.01, 3.02, 8.01, 9.01 Major agreement signed; Shares sold without registration; Other event · Current report May 26, 2026
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G Large holder notice
May 6, 2026 SCHEDULE 13G/A Large holder update, amended
May 6, 2026 SCHEDULE 13D/A Activist holder update, amended
May 5, 2026 10-Q Quarterly report Mar 31, 2026
May 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 30, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 30, 2026 DEFA14A Extra proxy material
40 of 292 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton QTTB · research, not advice