There have been 50 recent insider transactions recorded for Larimar Therapeutics, Inc. (LRMR), including 47 buys and 0 sells. Total insider buying was valued at $34.99M and total insider selling at RSU Award.
Notable insiders with recent activity include Sherman Jeffrey W, Thomas Frank E, Flynn James E. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — LRMR
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-02-27 |
Sherman Jeffrey W |
Director |
Informative Buy |
5,000 |
$5.00 |
$25K |
5,000 |
| 2026-02-27 |
Thomas Frank E |
Director |
Informative Buy |
5,000 |
$5.00 |
$25K |
7,000 |
| 2026-02-27 |
Flynn James E |
10 Percent Owner, Other: * Director By Deputization |
Informative Buy |
2,000,000 |
$5.00 |
$10M |
6,207,982 |
| 2026-02-27 |
Hamilton Thomas Edward |
Director |
Informative Buy |
100,000 |
$5.00 |
$500K |
664,798 |
| 2026-01-26 |
Celano Michael |
Chief Financial Officer |
RSU Award |
37,604 |
- |
- |
215,785 |
| 2026-01-26 |
Ben-maimon Carole |
President and CEO |
RSU Award |
100,100 |
- |
- |
368,276 |
| 2026-01-26 |
Clayton Russell |
Chief Medical Officer |
RSU Award |
25,637 |
- |
- |
71,443 |
| 2026-01-26 |
Shankar Gopi |
Chief Development Officer |
RSU Award |
25,637 |
- |
- |
76,443 |
| 2025-07-31 |
Flynn James E |
10 Percent Owner, Other: * Director By Deputization |
Informative Buy |
2,599,932 |
$3.20 |
$8.32M |
7,321,129 |
| 2025-05-13 |
Leff Jonathan S |
Director |
RSU Award |
19,000 |
$1.88 |
$35.63K |
19,000 |
| 2025-05-13 |
Sherman Jeffrey W |
Director |
RSU Award |
19,000 |
$1.88 |
$35.63K |
19,000 |
| 2025-05-13 |
Thomas Frank E |
Director |
RSU Award |
19,000 |
$1.88 |
$35.63K |
19,000 |
| 2025-05-13 |
Truitt Joseph |
Director |
RSU Award |
19,000 |
$1.88 |
$35.63K |
19,000 |
| 2025-05-13 |
Hamilton Thomas Edward |
Director |
RSU Award |
19,000 |
$1.88 |
$35.63K |
19,000 |
| 2025-05-13 |
Flynn James E |
10 Percent Owner, Other: * Director By Deputization |
RSU Award |
19,000 |
$1.88 |
$35.63K |
19,000 |
| 2025-01-22 |
Celano Michael |
Chief Financial Officer |
RSU Award |
34,185 |
- |
- |
178,181 |
| 2025-01-22 |
Ben-maimon Carole |
President and CEO |
RSU Award |
91,000 |
- |
- |
387,208 |
| 2025-01-22 |
Clayton Russell |
Chief Medical Officer |
RSU Award |
23,306 |
- |
- |
45,806 |
| 2025-01-22 |
Shankar Gopi |
Chief Development Officer |
RSU Award |
23,306 |
- |
- |
50,806 |
| 2024-05-29 |
Leff Jonathan S |
Director |
RSU Award |
19,000 |
$7.07 |
$134.33K |
19,000 |
| 2024-05-29 |
Sherman Jeffrey W |
Director |
RSU Award |
19,000 |
$7.07 |
$134.33K |
19,000 |
| 2024-05-29 |
Thomas Frank E |
Director |
RSU Award |
19,000 |
$7.07 |
$134.33K |
19,000 |
| 2024-05-29 |
Truitt Joseph |
Director |
RSU Award |
19,000 |
$7.07 |
$134.33K |
19,000 |
| 2024-05-29 |
Hamilton Thomas Edward |
Director |
RSU Award |
19,000 |
$7.07 |
$134.33K |
19,000 |
| 2024-05-29 |
Flynn James E |
10 Percent Owner, Other: * Director By Deputization |
RSU Award |
19,000 |
$7.07 |
$134.33K |
19,000 |
| 2024-02-16 |
Flynn James E |
10 Percent Owner, Other: * Director By Deputization |
Informative Buy |
1,430,205 |
$8.74 |
$12.5M |
4,207,982 |
| 2024-02-16 |
Hamilton Thomas Edward |
Director |
Informative Buy |
57,208 |
$8.74 |
$500K |
564,798 |
| 2024-02-14 |
Thomas Frank E |
Director |
Informative Buy |
2,000 |
$11.00 |
$22K |
2,000 |
| 2024-01-17 |
Celano Michael |
Chief Financial Officer |
RSU Award |
31,250 |
- |
- |
143,996 |
| 2024-01-17 |
Ben-maimon Carole |
President and CEO |
RSU Award |
66,125 |
- |
- |
332,954 |
| 2024-01-17 |
Clayton Russell |
Chief Medical Officer |
RSU Award |
22,500 |
- |
- |
22,500 |
| 2024-01-17 |
Shankar Gopi |
Chief Development Officer |
RSU Award |
22,500 |
- |
- |
27,500 |
| 2023-12-07 |
Shankar Gopi |
Chief Development Officer |
Informative Buy |
5,000 |
$3.73 |
$18.66K |
5,000 |
| 2023-10-03 |
Sherman Jeffrey W |
Director |
Unknown |
- |
- |
- |
- |
| 2023-10-03 |
Sherman Jeffrey W |
Director |
RSU Award |
16,600 |
$3.56 |
$59.01K |
16,600 |
| 2023-07-17 |
Clayton Russell |
Officer |
Unknown |
- |
- |
- |
- |
| 2023-07-17 |
Clayton Russell |
Chief Medical Officer |
RSU Award |
180,000 |
$3.22 |
$579.6K |
180,000 |
| 2023-05-17 |
Celano Michael |
Chief Financial Officer |
Informative Buy |
5,000 |
$3.73 |
$18.63K |
112,746 |
| 2023-05-17 |
Truitt Joseph |
Director |
Informative Buy |
2,750 |
$3.73 |
$10.26K |
2,750 |
| 2023-05-17 |
Ben-maimon Carole |
President and CEO |
Informative Buy |
5,000 |
$3.71 |
$18.53K |
266,829 |
| 2023-05-09 |
Leff Jonathan S |
Director |
RSU Award |
8,300 |
$5.09 |
$42.25K |
8,300 |
| 2023-05-09 |
Thomas Frank E |
Director |
RSU Award |
8,300 |
$5.09 |
$42.25K |
8,300 |
| 2023-05-09 |
Flynn James E |
10 Percent Owner |
RSU Award |
8,300 |
$5.09 |
$42.25K |
8,300 |
| 2023-05-09 |
Truitt Joseph |
Director |
RSU Award |
8,300 |
$5.09 |
$42.25K |
8,300 |
| 2023-05-09 |
Hamilton Thomas Edward |
Director |
RSU Award |
8,300 |
$5.09 |
$42.25K |
8,300 |
| 2023-02-07 |
Shankar Gopi |
Officer |
Unknown |
- |
- |
- |
- |
| 2023-02-07 |
Shankar Gopi |
Chief Development Officer |
RSU Award |
180,000 |
$5.88 |
$1.06M |
180,000 |
| 2023-01-31 |
Celano Michael |
Chief Financial Officer |
RSU Award |
76,000 |
- |
- |
107,746 |
| 2023-01-31 |
Ben-maimon Carole |
President and CEO |
RSU Award |
205,000 |
- |
- |
261,829 |
| 2022-09-16 |
Celano Michael |
Chief Financial Officer |
Informative Buy |
31,746 |
$3.15 |
$100K |
31,746 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
