GBIO Insider Holders & Insider Ownership

List of insiders holdings for Generation Bio Co.:

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
ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I LLC 10% Owner	2021-09-29 19:15:51	0 8,279,484	8,279,484	Form 4
Atlas Venture Fund X L.P. Atlas Venture Opportunity Fund I L.P. 10% Owner	2024-02-09 16:05:55	7,111,939 0	7,111,939	Form 13G
Seybold William Spokes Andrew J M Warren John R. WEHRLY MARK C Member of Group Owning 10% 10% Owner	2020-06-17 16:59:49	1,918,819 4,956,457	6,875,276	Form 4
Invus Public Equities L.P. Minne Pascal Artal International S.C.A. Artal International Management S.A. Artal Group S.A. Westend S.A. Stichting Administratiekantoor Westend Artal Treasury Ltd Invus Public Equities Advisors LLC 10% Owner	2022-02-11 06:33:31	2,814,191 0	2,814,191	Form 13G
Zone Healthcare Holdings LLC FARALLON CAPITAL MANAGEMENT LLC FARALLON PARTNERS L L C Dreyfuss Philip D Fisch Michael B. FRIED RICHARD B Kim David T Linn Michael G PATEL RAJIV A Roberts Thomas G. Jr. Member of Group Owning 10% 10% Owner	2020-06-25 18:07:24	2,118,819 0	2,118,819	Form 13G
Wellington Biomedical Innovation Master Investors (Cayman) I L.P. 10% Owner	2020-06-18 18:02:24	2,112,546 0	2,112,546	Form 4
MCDONOUGH GEOFF PRESIDENT AND CEO	2024-04-17 17:10:12	1,381,465 501,462	1,882,927	Form 4
Casdin Capital LLC Casdin Eli 10% Owner	2020-06-18 17:29:31	0 1,611,215	1,611,215	Form 4
Flynn James E Deerfield Mgmt L.P. DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C) DEERFIELD PARTNERS L.P. Possible Member of 10% Group 10% Owner	2020-06-16 14:50:41	0 1,186,215	1,186,215	Form 4
Rowland Charles A Jr Director	2023-12-05 16:30:27	534,757 0	534,757	Form 4
Kerr Douglas CHIEF MEDICAL OFFICER	2024-01-31 16:30:15	385,628 0	385,628	Form 4
Stanton Matthew CHIEF SCIENTIFIC OFFICER	2024-04-17 17:10:24	263,362 0	263,362	Form 4
Nicholson Donald William Director	2023-12-05 16:30:20	213,576 0	213,576	Form 4
Quinn Anthony G. Director	2023-12-05 16:30:36	88,495 72,837	161,332	Form 4
Samayoa Phillip CHIEF STRATEGY OFFICER	2024-04-17 17:10:21	126,369 0	126,369	Form 4
Norkunas Matthew CHIEF FINANCIAL OFFICER	2024-04-17 17:10:17	76,048 0	76,048	Form 4
Howze Yalonda CHIEF LEGAL OFFICER	2024-04-17 17:10:11	49,620 0	49,620	Form 4
Zimmermann Tracy CHIEF DEVELOPMENT OFFICER	2024-01-31 16:30:26	49,164 0	49,164	Form 4
ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Associates Opportunity I L.P. Atlas Venture Associates Opportunity I LLC 10% Owner	2021-06-23 20:26:27	30,950 666	31,616	Form 4
Paone Antoinette CHIEF OPERATING OFFICER	2024-04-17 17:10:18	31,315 0	31,315	Form 4
DiPalma Stephen J. See Remarks	2020-06-11 20:49:41	28,307 0	28,307	Form 3
Stehman-Breen Catherine Director	2023-06-12 16:15:38	25,000 0	25,000	Form 4
Rhodes Jason P Director	2023-06-12 16:15:25	25,000 0	25,000	Form 4
JONAS JEFFREY M Director	2023-06-12 16:15:14	25,000 0	25,000	Form 4
Cooper Ronald Harold Wilfred Director	2023-06-12 16:15:10	25,000 0	25,000	Form 4
Christensen Gustav Director	2023-06-12 16:15:07	25,000 0	25,000	Form 4
Appelhans Dannielle Director	2023-12-11 16:30:19	12,637 7363	20,000	Form 4
Angelino Mark D. CHIEF OPERATING OFFICER	2021-02-05 17:00:22	0 0	0	Form 4

Insider Holders & Insider Ownership - Generation Bio Co. (GBIO)