QTTB
Q32 Bio Inc.
NASDAQ · Healthcare · Biotechnology · US
$11.99
−6.33%0
Insider buys (3m)
3
Insider sells (3m)
-$275.1K
Net value (3m)
-8.4%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 27, 2026 | Violette Shelia M. · officer: Chief Scientific Officer | Sale | 2,798 | $17 |
| Aug 27, 2026 | Morrison Jodie Pope · director, officer: CEO | Sale | 9,845 | $17 |
| Aug 27, 2026 | Kalowski Lee · officer: CFO and President | Sale | 3,972 | $17 |
| Jul 21, 2026 | Iwicki Mark T · director | A-Award | 10,826 | $13 |
| Jul 21, 2026 | TZIANABOS ARTHUR · director | A-Award | 10,826 | $13 |
| Jul 21, 2026 | Lundberg Sven Ante · director | A-Award | 10,826 | $13 |
| Jul 21, 2026 | LAPORTE KATHLEEN · director | A-Award | 10,826 | $13 |
| Jul 21, 2026 | Thistle Mary · director | A-Award | 10,826 | $13 |
| Jul 21, 2026 | GRAYZEL DAVID S. · director | A-Award | 10,826 | $13 |
| Jul 21, 2026 | Manke Isaac · director | A-Award | 10,826 | $13 |
| Jul 21, 2026 | Xu Diyong · director, 10 percent owner: | A-Award | 10,826 | $13 |
| Jul 20, 2026 | Morrison Jodie Pope · director, officer: CEO | A-Award | 132,000 | $0.00 |
| Jul 20, 2026 | Kalowski Lee · officer: CFO and President | A-Award | 53,250 | $0.00 |
| Jul 20, 2026 | Violette Shelia M. · officer: Chief Scientific Officer | A-Award | 37,500 | $0.00 |
| Jul 2, 2026 | Manke Isaac · director | M-Exempt | 53,521 | $2.80 |
| Jun 16, 2026 | LAPORTE KATHLEEN · director | A-Award | 9,810 | $13 |
| Jun 16, 2026 | TZIANABOS ARTHUR · director | A-Award | 9,810 | $13 |
| Jun 16, 2026 | GRAYZEL DAVID S. · director | A-Award | 9,810 | $13 |
| Jun 16, 2026 | Thistle Mary · director | A-Award | 9,810 | $13 |
| Jun 16, 2026 | Xu Diyong · director, 10 percent owner: | A-Award | 9,810 | $13 |
| Jun 16, 2026 | Lundberg Sven Ante · director | A-Award | 9,810 | $13 |
| Jun 16, 2026 | Iwicki Mark T · director | A-Award | 9,810 | $13 |
| Jun 16, 2026 | Manke Isaac · director | A-Award | 9,810 | $13 |
| Jun 1, 2026 | ORBIMED ADVISORS LLC · director, 10 percent owner: | Purchase | 1,250,000 | $8.00 |
| Jun 1, 2026 | ORBIMED ADVISORS LLC · director, 10 percent owner: | Purchase | 625,000 | $8.00 |
| Jun 1, 2026 | Xu Diyong · director, 10 percent owner: | Purchase | 625,000 | $8.00 |
| Jun 1, 2026 | Xu Diyong · director, 10 percent owner: | Purchase | 1,250,000 | $8.00 |
| Mar 20, 2026 | Morrison Jodie Pope · director, officer: CEO | A-Award | 132,000 | $0.00 |
| Mar 20, 2026 | Violette Shelia M. · officer: Chief Scientific Officer | A-Award | 37,500 | $0.00 |
| Mar 20, 2026 | Kalowski Lee · officer: CFO and President | A-Award | 53,250 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 11Increased 13Reduced 12Sold out 51
| Filer | Action | Shares | Filed |
|---|---|---|---|
| ORBIMED ADVISORS LLC | Unchanged | 2,252,987 | May 15, 2026 |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | Unchanged | 2,092,106 | May 14, 2026 |
| OPALEYE MANAGEMENT INC. | Increased | 1,256,228 | May 15, 2026 |
| CARLYLE GROUP INC. | Unchanged | 1,102,741 | May 8, 2026 |
| ARCH VENTURE MANAGEMENT, LLC | Unchanged | 320,482 | May 15, 2026 |
| ACORN CAPITAL ADVISORS, LLC | Reduced | 315,052 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 306,401 | May 15, 2026 |
| MACKENZIE FINANCIAL CORP | New Position | 246,304 | May 13, 2026 |
| SANOFI | Unchanged | 244,083 | May 7, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 206,915 | May 14, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 172,586 | May 13, 2026 |
| MONIMUS CAPITAL MANAGEMENT, LP | New Position | 134,310 | May 15, 2026 |
| CITADEL ADVISORS LLC | Increased | 120,663 | Sep 2, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 118,152 | May 15, 2026 |
| PFIZER INC | Reduced | 101,618 | May 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 27, 2026