Q32 Bio Inc. (QTTB) - Insider Holders & Insider Ownership

List of insiders holdings for Q32 Bio Inc.:

Shares directly owned by the insider.
Shares indirectly owned by the insider.
Total shares owned by the insider (sum of shares directly and indirectly owned).
Total market value if available.
Shares are not adjusted for stock split.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#	Insider Holder Name	Report Date Time	Shares Owned Directly Indirectly	Total Shares Owned	Filing
1	ORBIMED ADVISORS LLC OrbiMed Capital GP VII LLC OrbiMed Genesis GP LLC Director 10% Owner	2026-07-20 21:32:47	4,127,987 0	4,127,987	Form 13D
2	Flynn James E DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C) Deerfield Mgmt L.P. DEERFIELD PARTNERS L.P. Deerfield Private Design Fund III L.P. Deerfield Mgmt III L.P. Deerfield Healthcare Innovations Fund L.P. Deerfield Mgmt HIF L.P. Possible Member of 10% Group 10% Owner	2020-05-01 08:31:18	2,254,567 0	2,254,567	Form 13D
3	Novartis Institutes for BioMedical Research Inc. NOVARTIS AG 10% Owner	2020-03-10 12:20:08	1,979,226 0	1,979,226	Form 13G
4	SHAH MAHENDRA Director	2018-05-16 16:05:25	0 909,742	909,742	Form 4/A
5	Atlas Venture Fund X L.P. ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I L.P. Atlas Venture Associates Opportunity I LLC Atlas Venture Opportunity Fund II L.P. Atlas Venture Associates Opportunity II LP Atlas Venture Associates Opportunity II LLC 10% Owner	2026-05-28 16:28:47	864,261 0	864,261	Form 13D
6	Vida Ventures LLC VV Manager LLC 10% Owner	2018-04-04 16:24:00	0 770,845	770,845	Form 4
7	Rock Springs Capital Management LP Rock Springs Capital Master Fund LP Rock Springs Capital LLC 10% Owner	2018-04-04 16:24:07	0 645,845	645,845	Form 4
8	Atlas Venture Opportunity Fund Ill L.P. Atlas Venture Associates Opportunity III L.P. Atlas Venture Associates Opportunity III LLC See Remarks	2026-06-08 16:30:23	625,000 0	625,000	Form 3
9	Chatterjee Saswati 10% Owner	2018-03-27 18:02:57	475,014 0	475,014	Form 3
10	Morrison Jodie Pope CEO	2026-10-14 17:30:05	340,038 0	340,038	Form 4
11	Temasek Holdings (Private) Ltd Fullerton Management Pte Ltd Temasek Life Sciences Private Ltd TLS Beta Pte. Ltd. V-Sciences Investments Pte Ltd 10% Owner	2024-10-25 06:06:25	313,943 0	313,943	Form 13G
12	Smith W Bradford See remarks	2023-02-27 16:05:27	249,000 0	249,000	Form 4
13	Rasty Siyamak Chief Operating Officer	2019-07-11 16:30:42	222,707 0	222,707	Form 4
14	Campagna Jason Chief Medical Officer	2025-02-26 21:57:04	213,876 0	213,876	Form 4
15	Violette Shelia M. Chief Scientific Officer	2026-10-14 17:30:03	126,854 36,277	163,131	Form 4
16	Seymour Albert See Remarks	2023-09-08 16:44:26	160,254 0	160,254	Form 4
17	Kalowski Lee CFO and President	2026-10-14 17:30:03	137,170 0	137,170	Form 4
18	Blum Michael Lee Chief Commercial Officer	2023-02-27 16:05:45	121,000 0	121,000	Form 4
19	Kelly Timothy P Chief Operating Officer	2022-02-28 16:05:55	33,000 0	33,000	Form 4
20	GILLIS STEVEN Director	2023-06-15 19:25:26	23,000 0	23,000	Form 4
21	Patterson Matthew R Director	2023-06-15 18:33:36	23,000 0	23,000	Form 4
22	Poulton Jeffrey V. Director	2023-06-15 18:09:39	23,000 0	23,000	Form 4
23	REICIN ALISE Director	2023-06-15 18:04:26	23,000 0	23,000	Form 4
24	Gregory Richard J. Director	2022-06-17 16:05:48	18,000 0	18,000	Form 4
25	PARMAR KUSH Director	2022-06-17 16:05:20	18,000 0	18,000	Form 4
26	Wheeler Cameron Director	2019-06-11 19:33:33	0 15,580	15,580	Form 4/A
27	Cohn Gabriel Chief Medical Officer	2022-01-12 16:05:24	11,339 0	11,339	Form 4
28	Thistle Mary Director	2026-07-21 20:22:44	10,826 0	10,826	Form 4/A
29	GRAYZEL DAVID S. Director	2026-07-21 20:24:19	10,826 0	10,826	Form 4/A
30	Manke Isaac Director	2026-07-21 20:25:05	10,826 0	10,826	Form 4/A
31	Xu Diyong Director 10% Owner	2026-07-21 20:25:41	10,826 0	10,826	Form 4/A
32	Iwicki Mark T Director	2026-07-21 20:37:32	10,826 0	10,826	Form 4/A
33	LAPORTE KATHLEEN Director	2026-07-21 20:39:23	10,826 0	10,826	Form 4/A
34	Lundberg Sven Ante Director	2026-07-21 20:39:32	10,826 0	10,826	Form 4/A
35	TZIANABOS ARTHUR Director	2026-07-21 20:40:28	10,826 0	10,826	Form 4/A
36	Jordan Julie Chief Medical Officer	2023-08-07 21:39:25	7,496 0	7,496	Form 4
37	Alloway Paul See Remarks	2024-04-23 17:03:07	2,596 0	2,596	Form 4
38	Michaud Charles Jr See Remarks	2024-04-23 17:00:03	927 0	927	Form 4
39	5AM Ventures IV L.P. 5AM Co-Investors IV L.P. 5AM Partners IV LLC DIEKMAN JOHN D ROCKLAGE SCOTT M Schwab Andrew J. 10% Owner	2024-11-14 17:46:10	0 0	0	Form 13G
40	ARCH Venture Fund VIII L.P. ARCH Venture Fund VIII Overage L.P. ARCH Venture Partners VIII L.P. ARCH Venture Partners VIII LLC BYBEE CLINTON CRANDELL KEITH NELSEN ROBERT 10% Owner	2024-05-13 17:34:55	0 0	0	Form 13G