Larimar Therapeutics, Inc. ($LRMR) Insider Transactions

Last updated: 2026-03-14 11:54 UTC | Total transactions: 51

In the last 12 months, insiders at Larimar Therapeutics, Inc. ($LRMR) filed 51 transactions with the SEC: 15 open-market purchases totaling $93,571,991 and 0 sales totaling $0. Net insider sentiment: net buying.

Larimar Therapeutics, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).

Most Active Insiders

View all SEC Filings for Larimar Therapeutics, Inc. (LRMR).

Set Up your own filters →

Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 27, 2026 SHERMAN JEFFREY W Not found P Common Stock 5000 $5.00 5,000.0000 85,590,392 9999.99% 0.01%
Feb. 27, 2026 Flynn James E Other P Common Stock 1084010 $5.00 35,606,974.0000 85,590,392 3.14% 1.27%
Feb. 27, 2026 Flynn James E Other P Common Stock 2000000 $5.00 35,606,974.0000 85,590,392 5.95% 2.34%
Feb. 27, 2026 Flynn James E Other P Common Stock 831978 $5.00 35,606,974.0000 85,590,392 2.39% 0.97%
Feb. 27, 2026 Flynn James E Other P Common Stock 1084012 $5.00 35,606,974.0000 85,590,392 3.14% 1.27%
Feb. 27, 2026 Hamilton Thomas Edward Not found P Common Stock 100000 $5.00 824,231.0000 85,590,392 13.81% 0.12%
Feb. 27, 2026 THOMAS FRANK E Not found P Common Stock 5000 $5.00 7,000.0000 85,590,392 250.00% 0.01%
Jan. 26, 2026 BEN-MAIMON CAROLE President and CEO A Stock Option (Right to Buy) 600600 $0.00 600,600.0000 85,590,392 9999.99% 0.70%
Jan. 26, 2026 Clayton Russell Chief Medical Officer A Stock Option (Right to Buy) 153822 $0.00 153,822.0000 85,590,392 9999.99% 0.18%
Jan. 26, 2026 Clayton Russell Chief Medical Officer A Common Stock 25637 $0.00 71,443.0000 85,590,392 55.97% 0.03%
Jan. 26, 2026 Shankar Gopi Chief Development Officer A Stock Option (Right to Buy) 153822 $0.00 153,822.0000 85,590,392 9999.99% 0.18%
Jan. 26, 2026 Shankar Gopi Chief Development Officer A Common Stock 25637 $0.00 76,443.0000 85,590,392 50.46% 0.03%
Jan. 26, 2026 Celano Michael Chief Financial Officer A Stock Option (Right to Buy) 225622 $0.00 225,622.0000 85,590,392 9999.99% 0.26%
Jan. 26, 2026 Celano Michael Chief Financial Officer A Common Stock 37604 $0.00 215,785.0000 85,590,392 21.10% 0.04%
Jan. 26, 2026 BEN-MAIMON CAROLE President and CEO A Common Stock 100100 $0.00 524,054.0000 85,590,392 23.61% 0.12%
July 31, 2025 Flynn James E Other P Common Stock 2599932 $3.20 30,606,974.0000 63,815,065 9.28% 4.07%
July 31, 2025 Flynn James E Other P Common Stock 3387539 $3.20 30,606,974.0000 63,815,065 12.45% 5.31%
July 31, 2025 Flynn James E Other P Common Stock 3387529 $3.20 30,606,974.0000 63,815,065 12.45% 5.31%
May 13, 2025 Flynn James E Other A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 63,815,065 9999.99% 0.03%
May 13, 2025 Hamilton Thomas Edward Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 63,815,065 9999.99% 0.03%
May 13, 2025 SHERMAN JEFFREY W Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 63,815,065 9999.99% 0.03%
May 13, 2025 Truitt Joseph Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 63,815,065 9999.99% 0.03%
May 13, 2025 THOMAS FRANK E Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 63,815,065 9999.99% 0.03%
May 13, 2025 LEFF JONATHAN S Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 63,815,065 9999.99% 0.03%
Jan. 22, 2025 Celano Michael Chief Financial Officer A Stock Option (Right to Buy) 205111 $0.00 205,111.0000 63,815,065 9999.99% 0.32%
Jan. 22, 2025 Shankar Gopi Chief Development Officer A Common Stock 23306 $0.00 50,806.0000 63,815,065 84.75% 0.04%
Jan. 22, 2025 Shankar Gopi Chief Development Officer A Stock Option (Right to Buy) 139838 $0.00 139,838.0000 63,815,065 9999.99% 0.22%
Jan. 22, 2025 Clayton Russell Chief Medical Officer A Common Stock 23306 $0.00 45,806.0000 63,815,065 103.58% 0.04%
Jan. 22, 2025 Clayton Russell Chief Medical Officer A Stock Option (Right to Buy) 139838 $0.00 139,838.0000 63,815,065 9999.99% 0.22%
Jan. 22, 2025 BEN-MAIMON CAROLE President and CEO A Common Stock 91000 $0.00 423,954.0000 63,815,065 27.33% 0.14%
Jan. 22, 2025 BEN-MAIMON CAROLE President and CEO A Stock Option (Right to Buy) 546000 $0.00 546,000.0000 63,815,065 9999.99% 0.86%
Jan. 22, 2025 Celano Michael Chief Financial Officer A Common Stock 34185 $0.00 178,181.0000 63,815,065 23.74% 0.05%
May 29, 2024 Flynn James E Other A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 43,909,069 9999.99% 0.04%
Feb. 16, 2024 Hamilton Thomas Edward Director P Common Stock 57208 $8.74 724,231.0000 43,909,069 8.58% 0.13%
May 29, 2024 Hamilton Thomas Edward Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 43,909,069 9999.99% 0.04%
May 29, 2024 Truitt Joseph Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 43,909,069 9999.99% 0.04%
May 29, 2024 SHERMAN JEFFREY W Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 43,909,069 9999.99% 0.04%
May 29, 2024 LEFF JONATHAN S Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 43,909,069 9999.99% 0.04%
May 29, 2024 THOMAS FRANK E Director A Stock Option (Right to Buy) 19000 $0.00 19,000.0000 43,909,069 9999.99% 0.04%
Feb. 16, 2024 Flynn James E Other P Common Stock 1430206 $8.74 21,231,974.0000 43,909,069 7.22% 3.26%
Feb. 16, 2024 Flynn James E Other P Common Stock 1430205 $8.74 21,231,974.0000 43,909,069 7.22% 3.26%
Feb. 16, 2024 Flynn James E Other P Common Stock 1430206 $8.74 21,231,974.0000 43,909,069 7.22% 3.26%
Feb. 14, 2024 THOMAS FRANK E Director P Common Stock 2000 $11.00 2,000.0000 43,909,069 9999.99% 0.00%
Jan. 17, 2024 Celano Michael Chief Financial Officer A Common Stock 31250 $0.00 143,996.0000 43,909,069 27.72% 0.07%
Jan. 17, 2024 BEN-MAIMON CAROLE President and CEO A Common Stock 66125 $0.00 332,954.0000 43,909,069 24.78% 0.15%
Jan. 17, 2024 BEN-MAIMON CAROLE President and CEO A Stock Option (Right to Buy) 396750 $0.00 396,750.0000 43,909,069 9999.99% 0.90%
Jan. 17, 2024 Shankar Gopi Chief Development Officer A Stock Option (Right to Buy) 135000 $0.00 135,000.0000 43,909,069 9999.99% 0.31%
Jan. 17, 2024 Shankar Gopi Chief Development Officer A Common Stock 22500 $0.00 27,500.0000 43,909,069 450.00% 0.05%
Jan. 17, 2024 Clayton Russell Chief Medical Officer A Stock Option (Right to Buy) 135000 $0.00 135,000.0000 43,909,069 9999.99% 0.31%
Jan. 17, 2024 Clayton Russell Chief Medical Officer A Common Stock 22500 $0.00 22,500.0000 43,909,069 9999.99% 0.05%
Jan. 17, 2024 Celano Michael Chief Financial Officer A Stock Option (Right to Buy) 187500 $0.00 187,500.0000 43,909,069 9999.99% 0.43%