WallStSmart
LRMR

Larimar Therapeutics Inc

NASDAQ: LRMR · HEALTHCARE · BIOTECHNOLOGY

$2.67
+5.12% today

Updated 2026-10-29

Market cap
$244.13M
P/E ratio
—
P/S ratio
—
EPS (TTM)
$-1.99
Dividend yield
—
52W range
$2 – $6
Volume
1.4M

Larimar Therapeutics Inc (LRMR) Insider transactions

Net insider activity
Net buying (27,878,471 shares)
Buy transactions
100
Sell transactions
0

All transactions

DateInsiderTitleTypeSharesPriceValue
2026-09-29HARLOW, JOHN B. JR.President and COOBuy800,000——
2026-09-29HARLOW, JOHN B. JR.President and COOBuy50,000——
2026-07-06HAMILTON, THOMAS EDWARDDirectorBuy50,000$3.34$166890.00
2026-05-19TRUITT, JOSEPHDirectorBuy55,150——
2026-05-19THOMAS, FRANK EDirectorBuy55,150——
2026-05-19SHERMAN, JEFFREY WDirectorBuy55,150——
2026-05-19LEFF, JONATHAN SDirectorBuy55,150——
2026-05-19HAMILTON, THOMAS EDWARDDirectorBuy55,150——
2026-05-19FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy55,150——
2026-02-27THOMAS, FRANK EDirectorBuy5,000$5.00$25000.00
2026-02-27SHERMAN, JEFFREY WDirectorBuy5,000$5.00$25000.00
2026-02-27HAMILTON, THOMAS EDWARDDirectorBuy100,000$5.00$500000.00
2026-02-27FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy2,000,000$5.00$10.00M
2026-02-27FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy1,084,012$5.00$5.42M
2026-02-27FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy1,084,010$5.00$5.42M
2026-02-27FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy831,978$5.00$4.16M
2026-01-26SHANKAR, GOPIChief Development OfficerBuy153,822——
2026-01-26SHANKAR, GOPIChief Development OfficerBuy25,637——
2026-01-26CLAYTON, RUSSELLChief Medical OfficerBuy153,822——
2026-01-26CLAYTON, RUSSELLChief Medical OfficerBuy25,637——
2026-01-26CELANO, MICHAELChief Financial OfficerBuy225,622——
2026-01-26CELANO, MICHAELChief Financial OfficerBuy37,604——
2026-01-26BEN-MAIMON, CAROLEDirector, President and CEOBuy600,600——
2026-01-26BEN-MAIMON, CAROLEDirector, President and CEOBuy100,100——
2025-07-31FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy3,387,539$3.20$10.84M
2025-07-31FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy3,387,529$3.20$10.84M
2025-07-31FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy2,599,932$3.20$8.32M
2025-05-13TRUITT, JOSEPHDirectorBuy19,000——
2025-05-13THOMAS, FRANK EDirectorBuy19,000——
2025-05-13SHERMAN, JEFFREY WDirectorBuy19,000——
2025-05-13LEFF, JONATHAN SDirectorBuy19,000——
2025-05-13HAMILTON, THOMAS EDWARDDirectorBuy19,000——
2025-05-13FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy19,000——
2025-01-22SHANKAR, GOPIChief Development OfficerBuy139,838——
2025-01-22SHANKAR, GOPIChief Development OfficerBuy23,306——
2025-01-22CLAYTON, RUSSELLChief Medical OfficerBuy139,838——
2025-01-22CLAYTON, RUSSELLChief Medical OfficerBuy23,306——
2025-01-22CELANO, MICHAELChief Financial OfficerBuy205,111——
2025-01-22CELANO, MICHAELChief Financial OfficerBuy34,185——
2025-01-22BEN-MAIMON, CAROLEDirector, President and CEOBuy546,000——
2025-01-22BEN-MAIMON, CAROLEDirector, President and CEOBuy91,000——
2024-05-29TRUITT, JOSEPHDirectorBuy19,000——
2024-05-29THOMAS, FRANK EDirectorBuy19,000——
2024-05-29SHERMAN, JEFFREY WDirectorBuy19,000——
2024-05-29LEFF, JONATHAN SDirectorBuy19,000——
2024-05-29HAMILTON, THOMAS EDWARDDirectorBuy19,000——
2024-05-29FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy19,000——
2024-02-16HAMILTON, THOMAS EDWARDDirectorBuy57,208$8.74$499997.92
2024-02-16FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy1,430,206$8.74$12.50M
2024-02-16FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy1,430,205$8.74$12.50M
2024-02-14THOMAS, FRANK EDirectorBuy2,000$11.00$22000.00
2024-01-17SHANKAR, GOPIChief Development OfficerBuy135,000——
2024-01-17SHANKAR, GOPIChief Development OfficerBuy22,500——
2024-01-17CLAYTON, RUSSELLChief Medical OfficerBuy135,000——
2024-01-17CLAYTON, RUSSELLChief Medical OfficerBuy22,500——
2024-01-17CELANO, MICHAELChief Financial OfficerBuy187,500——
2024-01-17CELANO, MICHAELChief Financial OfficerBuy31,250——
2024-01-17BEN-MAIMON, CAROLEDirector, President and CEOBuy396,750——
2024-01-17BEN-MAIMON, CAROLEDirector, President and CEOBuy66,125——
2023-12-07SHANKAR, GOPIChief Development OfficerBuy5,000$3.73$18661.50
2023-10-03SHERMAN, JEFFREY WDirectorBuy16,600——
2023-07-17CLAYTON, RUSSELLChief Medical OfficerBuy180,000——
2023-05-17TRUITT, JOSEPHDirectorBuy2,750$3.73$10257.50
2023-05-17CELANO, MICHAELChief Financial OfficerBuy5,000$3.73$18631.50
2023-05-17BEN-MAIMON, CAROLEDirector, President and CEOBuy5,000$3.71$18525.00
2023-05-09TRUITT, JOSEPHDirectorBuy8,300——
2023-05-09THOMAS, FRANK EDirectorBuy8,300——
2023-05-09LEFF, JONATHAN SDirectorBuy8,300——
2023-05-09HAMILTON, THOMAS EDWARDDirectorBuy8,300——
2023-05-09FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy8,300——
2023-02-07SHANKAR, GOPIChief Development OfficerBuy180,000——
2023-01-31CELANO, MICHAELChief Financial OfficerBuy120,000——
2023-01-31CELANO, MICHAELChief Financial OfficerBuy76,000——
2023-01-31BEN-MAIMON, CAROLEDirector, President and CEOBuy325,000——
2023-01-31BEN-MAIMON, CAROLEDirector, President and CEOBuy205,000——
2022-09-16HAMILTON, THOMAS EDWARDDirectorBuy317,460$3.15$999999.00
2022-09-16FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy2,777,777$3.15$8.75M
2022-09-16CELANO, MICHAELChief Financial OfficerBuy31,746$3.15$99999.90
2022-09-16BEN-MAIMON, CAROLEDirector, President and CEOBuy31,746$3.15$99999.90
2022-05-10TRUITT, JOSEPHDirectorBuy8,300——
2022-05-10THOMAS, FRANK EDirectorBuy8,300——
2022-05-10LEFF, JONATHAN SDirectorBuy8,300——
2022-05-10HAMILTON, THOMAS EDWARDDirectorBuy8,300——
2022-05-10FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy8,300——
2022-05-10CELANO, MICHAELChief Financial OfficerBuy20,000——
2022-05-10BEN-MAIMON, CAROLEDirector, President and CEOBuy40,000——
2022-05-10BARRETT, PETERDirectorBuy8,300——
2022-01-18CELANO, MICHAELChief Financial OfficerBuy80,000——
2022-01-18BEN-MAIMON, CAROLEDirector, President and CEOBuy182,000——
2021-06-30HAMILTON, THOMAS EDWARDDirectorBuy56,710$8.75$496212.50
2021-06-30FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy228,571$8.75$2.00M
2021-06-30FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy228,570$8.75$2.00M
2021-06-30FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy228,569$8.75$2.00M
2021-05-12TRUITT, JOSEPHDirectorBuy8,300——
2021-05-12THOMAS, FRANK EDirectorBuy8,300——
2021-05-12LEFF, JONATHAN SDirectorBuy8,300——
2021-05-12HAMILTON, THOMAS EDWARDDirectorBuy8,300——
2021-05-12FLYNN, JAMES EDirector, 10% Owner, * Director by DeputizationBuy8,300——
2021-05-12DANIEL, THOMAS ODirectorBuy8,300——
2021-05-12BARRETT, PETERDirectorBuy8,300——

Frequently asked questions

Are LRMR insiders buying or selling?

Over the transactions on record, LRMR insiders have been net buyers, with about $0.00 in stock sold across 0 sales, against 27 open-market purchases.

Does insider selling at LRMR mean the stock will fall?

Not by itself. Most executive selling is pre-scheduled through 10b5-1 plans filed months in advance, and insiders sell for diversification, taxes, and liquidity far more often than out of any view on the price. Insider buying is the stronger signal, especially when several insiders buy around the same time, because there is usually only one reason to put personal cash into the stock.