Larimar Therapeutics Inc. (LRMR) - Insider Holders & Insider Ownership

List of insiders holdings for Larimar Therapeutics Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. 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 NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1Flynn James E
Deerfield Mgmt L.P.
DEERFIELD PARTNERS L.P.
DEERFIELD MANAGEMENT CO
Deerfield International Master Fund L.P.
Deerfield Special Situations Fund L.P.
Possible Member of 10% Group
10% Owner		2026-03-02 19:46:5535,667,474
0		35,667,474Form 13D
2Flynn James E
DEERFIELD MANAGEMENT COMPANY L.P.
Deerfield Mgmt III L.P.
Deerfield Mgmt HIF L.P.
Deerfield Mgmt IV L.P.
Deerfield Mgmt L.P.
Deerfield Private Design Fund III L.P.
Deerfield Healthcare Innovations Fund L.P.
Deerfield Private Design Fund IV L.P.
DEERFIELD PARTNERS L.P.
* Director by Deputization
Director
10% Owner		2026-03-02 19:46:5535,667,474
0		35,667,474Form 13D
3CHONDRIAL THERAPEUTICS HOLDINGS LLC
10% Owner		2020-06-30 17:01:206,091,250
0		6,091,250Form 4
4STARR KEVIN P
Director		2015-09-25 16:38:50469,157
2,607,435		3,076,592Form 4
5BEN-MAIMON CAROLE
President and CEO		2026-01-27 17:04:08968,876
155,778		1,124,654Form 4
6Hamilton Thomas Edward
Director		2026-03-02 16:30:41664,798
159,433		824,231Form 4
7THIRD ROCK VENTURES LP
Third Rock Ventures GP L.P.
TRV GP LLC
LEVIN MARK J
TEPPER ROBERT I
10% Owner		2016-02-10 16:18:59580,694
0		580,694Form 13G
8Hatfield Jeffrey S.
Chief Executive Officer		2019-01-24 20:25:26525,000
0		525,000Form 4
9Celano Michael
Chief Financial Officer		2026-01-27 17:03:39441,407
0		441,407Form 4
10Singhal Priya
Head of Research & Development		2019-04-04 18:37:07375,000
0		375,000Form 4
11Atlas Venture Fund VII L P
Atlas Venture Associates VII L.P.
Atlas Venture Associates VII Inc.
10% Owner		2021-02-02 13:04:30292,182
0		292,182Form 13G
12Shankar Gopi
Chief Development Officer		2026-01-27 17:04:42230,265
0		230,265Form 4
13Clayton Russell
Chief Medical Officer		2026-01-27 17:04:28225,265
0		225,265Form 4
14Loustau Patrick
President		2016-04-04 21:01:57169,500
0		169,500Form 4
15Hughes Thomas E.
See Remarks		2018-06-29 19:01:18125,247
0		125,247Form 4
16Allen Patricia L
Chief Financial Officer		2019-01-24 20:24:02125,000
0		125,000Form 4
17McVeigh Brian
Chief Business Officer		2019-01-24 20:25:34125,000
0		125,000Form 4
18KIM DENNIS D
Chief Medical Officer		2019-01-24 20:25:0895,000
0		95,000Form 4
19Secor Alicia
Chief Commercial Officer		2016-04-04 21:00:4079,500
0		79,500Form 4
20Goldberg Avi Y.
Director		2015-09-21 21:01:1853,734
0		53,734Form 4
21Heller Frances K
Director		2017-10-17 17:11:5247,961
0		47,961Form 4
22EVERETT WENDY
Director		2019-06-27 19:42:2127,000
0		27,000Form 4
23McDonough Cameron Geoffrey
Director		2019-06-27 19:37:4527,000
0		27,000Form 4
24PEREZ ROBERT J
Director		2019-06-27 19:36:4027,000
0		27,000Form 4
25LAMATTINA JOHN L
Director		2019-06-27 19:33:2727,000
0		27,000Form 4
26LEFF JONATHAN S
Director		2025-05-14 16:32:2219,000
0		19,000Form 4
27Truitt Joseph
Director		2025-05-14 16:33:5119,000
0		19,000Form 4
28Booth Bruce
Director
10% Owner		2018-01-05 16:59:548,509
0		8,509Form 4
29Daniel Thomas O
Director		2021-05-17 17:08:208,300
0		8,300Form 4
30Barrett Peter
Director		2022-05-12 20:27:478,300
0		8,300Form 4
31THOMAS FRANK E
Director		2026-03-02 16:30:367,000
0		7,000Form 4
32SHERMAN JEFFREY W
Director		2026-03-02 16:30:195,000
0		5,000Form 4