X4 PHARMACEUTICALS, INC. (XFOR) - Insider Holders & Insider Ownership

List of insiders holdings for X4 PHARMACEUTICALS, 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	Ragan Paula President and CEO	2025-02-14 16:08:38	3,337,386 0	3,337,386	Form 4
2	Puttagunta Chetan 10% Owner	2017-11-20 16:26:07	0 2,000,000	2,000,000	Form 3
3	Behbahani Ali 10% Owner	2018-07-17 16:26:49	0 2,000,000	2,000,000	Form 3
4	Chang Carmen 10% Owner	2018-07-17 16:28:34	0 2,000,000	2,000,000	Form 3
5	Viswanathan Ravi 10% Owner	2017-11-20 16:28:01	0 2,000,000	2,000,000	Form 3
6	Sonsini Peter W. 10% Owner	2017-11-20 16:27:31	0 2,000,000	2,000,000	Form 3
7	SANDELL SCOTT D 10% Owner	2017-11-20 16:27:01	0 2,000,000	2,000,000	Form 3
8	Sakoda Jon 10% Owner	2017-11-20 16:26:33	0 2,000,000	2,000,000	Form 3
9	MOTT DAVID M 10% Owner	2017-11-20 16:25:35	0 2,000,000	2,000,000	Form 3
10	Makhzoumi Mohamad 10% Owner	2017-11-20 16:25:05	0 2,000,000	2,000,000	Form 3
11	Florence Anthony A. Jr. 10% Owner	2017-11-20 16:24:35	0 2,000,000	2,000,000	Form 3
12	BARRIS PETER J 10% Owner	2017-11-20 16:23:38	0 2,000,000	2,000,000	Form 3
13	BASKETT FOREST 10% Owner	2017-11-20 16:24:09	0 2,000,000	2,000,000	Form 3
14	DiBiase Mary Chief Operating Officer	2025-02-14 16:08:16	1,140,980 0	1,140,980	Form 4
15	SVLSF V LLC SVLSF VI LLC SV Life Sciences Fund VI Strategic Partners L.P. SV Life Sciences Fund VI L.P. SV Life Sciences Fund V Strategic Partners L.P. SV LIFE SCIENCES FUND V LP 10% Owner	2018-02-14 17:22:11	946,769 0	946,769	Form 13D
16	SVLSF V LLC SV Life Sciences Fund VI Strategic Partners L.P. SV Life Sciences Fund VI L.P. SV Life Sciences Fund V Strategic Partners L.P. SV LIFE SCIENCES FUND V LP 10% Owner	2018-02-14 17:22:11	946,769 0	946,769	Form 13D
17	NeoMed Innovation V L.P. NeoMed Management (Jersey) Ltd NeoMed Innovation V Ltd 10% Owner	2017-11-20 18:15:22	867,639 0	867,639	Form 4
18	Arbet-Engels Christophe Chief Medical Officer	2025-02-14 16:09:09	864,207 0	864,207	Form 4
19	Mostafa Adam S. Chief Financial Officer	2025-02-14 16:08:54	850,000 0	850,000	Form 4
20	GV 2016 GP L.L.C. GV 2016 GP L.P. GV 2016 L.P. Alphabet Inc. 10% Owner	2017-11-20 17:43:45	0 451,362	451,362	Form 4
21	Section 32 Fund 1 LP Section 32 GP 1 LLC Maris William J 10% Owner	2017-11-20 17:38:08	451,362 0	451,362	Form 4
22	Taveras Arthur Chief Scientific Officer	2024-10-08 16:44:02	388,026 0	388,026	Form 4
23	EMBL Technology Fund II GmbH & Co. KG EMBL Ventures Verwaltungs GmbH Adams Jan Herr Stefan Muhlenbeck Frank 10% Owner	2017-11-20 21:56:51	370,454 0	370,454	Form 4
24	Craig Adam R Executive Chairman	2026-08-13 16:10:23	328,651 0	328,651	Form 4
25	Polaris Venture Management Co. V L.L.C. Polaris Venture Partners V L.P. Polaris Venture Partners Entrepreneurs' Fund V L.P. Polaris Venture Partners Founders' Fund V L.P. Polaris Venture Partners Special Founders' Fund V L.P. Flint Jonathan A 10% Owner	2019-07-17 16:52:55	311,492 0	311,492	Form 13D
26	Volpone John President	2026-08-13 16:13:03	265,305 0	265,305	Form 4
27	GRAY MICHAEL President, CEO and CFO	2018-11-28 21:50:26	250,000 0	250,000	Form 4
28	Alexandria Venture Investments LLC 10% Owner	2017-11-20 10:01:01	225,680 0	225,680	Form 4
29	KIRSKE DAVID Chief Financial Officer	2026-07-01 16:23:25	167,750 0	167,750	Form 4
30	Meisner Derek M Chief Legal Officer	2022-08-19 13:08:05	145,155 0	145,155	Form 4
31	ORBIMED ADVISORS LLC OrbiMed Capital GP IV LLC ISALY SAMUEL D 10% Owner	2025-08-14 17:53:08	134,947 0	134,947	Form 13G
32	Anna-Maria & Stephen Kellen Foundation Inc. 10% Owner	2017-11-20 17:42:32	124,381 0	124,381	Form 4
33	Bill & Melinda Gates Foundation 10% Owner	2019-03-15 16:36:25	120,363 0	120,363	Form 13G
34	Gold Kelly Director	2026-07-01 16:20:10	110,000 0	110,000	Form 4
35	Cadavid Diego Chief Medical Officer	2022-03-01 16:08:48	104,107 0	104,107	Form 4
36	Aliski William Director	2024-06-11 16:13:25	96,667 0	96,667	Form 4
37	Lawton Alison Frances Director	2024-06-11 16:12:24	96,667 0	96,667	Form 4
38	BLECH ISAAC Director	2019-04-02 20:02:00	77,650 0	77,650	Form 4/A
39	Mantus David Chief Development Officer	2018-03-09 16:37:55	50,000 0	50,000	Form 4
40	STEVENS ANTHONY CHRIS Chief Medical Officer	2018-03-09 16:32:58	50,000 0	50,000	Form 4
41	Nagy Eszter Chief Scientific Officer	2018-03-09 16:36:08	45,000 0	45,000	Form 4
42	Skerlj Renato Chief Scientific Officer	2020-09-10 08:36:45	42,076 0	42,076	Form 4
43	Kelley Lynne E Chief Medical Officer	2019-04-26 19:58:35	37,170 0	37,170	Form 4
44	Baldry Mark Chief Commercial Officer	2025-06-03 17:01:06	25,337 0	25,337	Form 4/A
45	Ross Michael Jay Director	2018-06-07 16:23:51	10,000 0	10,000	Form 4
46	Clark William D Director	2018-06-07 16:17:58	10,000 0	10,000	Form 4
47	MCGUIRE TERRANCE Director	2018-06-07 17:07:21	10,000 0	10,000	Form 4
48	SCHULMAN AMY W Director	2018-06-07 16:24:54	10,000 0	10,000	Form 4
49	Nessi Claudio Director	2018-06-07 16:23:15	10,000 0	10,000	Form 4
50	Gerngross Tillman U. Director	2018-06-07 16:19:46	10,000 0	10,000	Form 4
51	GORDON CARL L Director	2018-06-07 16:21:08	10,000 0	10,000	Form 4
52	Thoren Natasha Fay Chief Legal Officer	2025-07-03 16:21:11	9,462 0	9,462	Form 4
53	Woods Keith Director	2025-06-10 16:30:21	6,000 0	6,000	Form 4
54	Russo Rene Director	2021-06-02 16:57:51	6,000 0	6,000	Form 4
55	MCGIRR DAVID W J Director	2025-06-10 16:28:20	4,722 0	4,722	Form 4
56	WYZGA MICHAEL S Director	2026-01-05 16:05:30	0 0	0	Form 4
57	de Craecker Francoise Director	2026-01-05 16:06:13	0 0	0	Form 4
58	Bridger Gary Director	2026-01-07 16:00:12	0 0	0	Form 4
59	Stewart Murray Director	2026-01-05 16:04:43	0 0	0	Form 4
60	New Enterprise Associates 16 L.P. NEA Partners 16 L.P. NEA 16 GP LLC 10% Owner	2019-05-28 16:53:05	0 0	0	Form 13D