InsiderFlow

LRMR

Larimar Therapeutics, Inc.$4.38-0.07 (-1.46%)
Prev Close$4.44·MCap$388.5M·P/E·Vol1.15M·Yield

Buys (12M)

5

$55.55M

Sells (12M)

0

$0.00

Net Activity

Net Buyer

$55.55M

Active Insiders

4

last 12 mo

Over the past 12 months, insider activity at Larimar Therapeutics, Inc. (LRMR) has been exclusively buying, with 5 insider purchases totaling $55.55M and 0 insider sales totaling $0.00. The most recent insider transaction was by Flynn James E (director, 10 percent owner, other: * Director by Deputization), who purchased $25.00M worth of shares on Mar 2, 2026. Larimar Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $388.5M.

LRMR Insider Trading Activity

DateInsiderTypeValue
Mar 2, 2026 Flynn James EBuy$25.00M5.8% OS
Mar 2, 2026 SHERMAN JEFFREY WBuy$25.0K
Mar 2, 2026 THOMAS FRANK EBuy$25.0K
Mar 2, 2026 Hamilton Thomas EdwardBuy$500.0K
Jul 31, 2025 Flynn James EBuy$30.00M11.0% OS
May 31, 2024 Hamilton Thomas EdwardBuy$500.0K
Feb 16, 2024 Flynn James EBuy$25.00M3.3% OS
Feb 15, 2024 THOMAS FRANK EBuy$22.0K
Dec 8, 2023 Shankar GopiBuy$18.7K
May 18, 2023 BEN-MAIMON CAROLEBuy$18.5K
May 18, 2023 Celano MichaelBuy$18.6K
May 18, 2023 Truitt JosephBuy$10.3K
Sep 20, 2022 Flynn James EBuy$8.75M3.2% OS
Sep 20, 2022 Hamilton Thomas EdwardBuy$1000.0K
Sep 19, 2022 BEN-MAIMON CAROLEBuy$100.0K
Sep 19, 2022 Celano MichaelBuy$100.0K
Jul 2, 2021 Flynn James EBuy$6.00M0.8% OS
Jul 2, 2021 Hamilton Thomas EdwardBuy$496.2K

LRMR Insider Buying Activity

The following table shows recent insider purchases of Larimar Therapeutics, Inc. (LRMR) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Mar 2, 2026 Flynn James EBuy$25.00M5.8% OS
Mar 2, 2026 SHERMAN JEFFREY WBuy$25.0K
Mar 2, 2026 THOMAS FRANK EBuy$25.0K
Mar 2, 2026 Hamilton Thomas EdwardBuy$500.0K
Jul 31, 2025 Flynn James EBuy$30.00M11.0% OS
May 31, 2024 Hamilton Thomas EdwardBuy$500.0K
Feb 16, 2024 Flynn James EBuy$25.00M3.3% OS
Feb 15, 2024 THOMAS FRANK EBuy$22.0K
Dec 8, 2023 Shankar GopiBuy$18.7K
May 18, 2023 BEN-MAIMON CAROLEBuy$18.5K
May 18, 2023 Celano MichaelBuy$18.6K
May 18, 2023 Truitt JosephBuy$10.3K
Sep 20, 2022 Flynn James EBuy$8.75M3.2% OS
Sep 20, 2022 Hamilton Thomas EdwardBuy$1000.0K
Sep 19, 2022 BEN-MAIMON CAROLEBuy$100.0K
Sep 19, 2022 Celano MichaelBuy$100.0K
Jul 2, 2021 Flynn James EBuy$6.00M0.8% OS
Jul 2, 2021 Hamilton Thomas EdwardBuy$496.2K

LRMR Insider Selling Activity

The following table shows recent insider sales of Larimar Therapeutics, Inc. (LRMR) stock reported via SEC Form 4 filings.

No insider selling activity found for LRMR in the last 12 months.

LRMR Insiders

SHERMAN JEFFREY W

director

Bought $25.0K
1 tradesLast: Mar 2, 2026
Hamilton Thomas Edward

Director

Bought $2.50M
4 tradesLast: Mar 2, 2026
THOMAS FRANK E

Director

Bought $47.0K
2 tradesLast: Mar 2, 2026
Flynn James E

director, 10 percent owner, other: * Director by Deputization

Bought $94.75M
5 tradesLast: Mar 2, 2026
Shankar Gopi

Chief Development Officer

Bought $18.7K
1 tradesLast: Dec 8, 2023
Celano Michael

Chief Financial Officer

Bought $118.6K
2 tradesLast: May 18, 2023
Truitt Joseph

Director

Bought $10.3K
1 tradesLast: May 18, 2023
BEN-MAIMON CAROLE

President and CEO

Bought $118.5K
2 tradesLast: May 18, 2023