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LRMRLarimar Therapeutics, Inc.

Market cap
$244.12M
as of 2026-10-23
Latest close
$2.35
as of 2026-10-23
Sector
Healthcare
as of 2026-10-24
Industry
Biotechnology
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-10-05

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Harlow John B. Jr.President and COOSep 29Oct 1A50,000$0.00$050,000NoForm 4
Harlow John B. Jr.President and COOSep 29Oct 1A · derivative800,000$3.14$2,512,000800,000NoForm 4
Hamilton Thomas EdwardJul 6Jul 8P50,000$3.34Purchase +$167,000714,798NoForm 4
Hamilton Thomas EdwardMay 19May 20A · derivative55,150$3.33$183,65055,150NoForm 4
Thomas Frank EMay 19May 20A · derivative55,150$3.33$183,65055,150NoForm 4
Truitt JosephMay 19May 20A · derivative55,150$3.33$183,65055,150NoForm 4
Sherman Jeffrey WMay 19May 20A · derivative55,150$3.33$183,65055,150NoForm 4
Leff Jonathan SMay 19May 20A · derivative55,150$3.33$183,65055,150NoForm 4
Flynn James EMay 19May 20A · derivative55,150$3.33$183,65055,150NoForm 4
Sherman Jeffrey WFeb 27Mar 2P5,000$5.00Purchase +$25,0005,000NoForm 4
Thomas Frank EFeb 27Mar 2P5,000$5.00Purchase +$25,0007,000NoForm 4
Hamilton Thomas EdwardFeb 27Mar 2P100,000$5.00Purchase +$500,000664,798NoForm 4
Deerfield Mgmt HIF, L.P.Feb 27Mar 2P1,084,010$5.00Purchase +$5,420,05010,622,928NoForm 4
Deerfield Mgmt HIF, L.P.Feb 27Mar 2P1,084,012$5.00Purchase +$5,420,06010,622,957NoForm 4
Deerfield Mgmt HIF, L.P.Feb 27Mar 2P831,978$5.00Purchase +$4,159,8908,153,107NoForm 4
Deerfield Mgmt HIF, L.P.Feb 27Mar 2P2,000,000$5.00Purchase +$10,000,0006,207,982NoForm 4
Celano MichaelChief Financial OfficerJan 26Jan 27A37,604$0.00$0215,785NoForm 4
Celano MichaelChief Financial OfficerJan 26Jan 27A · derivative225,622$3.60$812,239225,622NoForm 4
Ben-Maimon CarolePresident and CEOJan 26Jan 27A100,100$0.00$0368,276NoForm 4
Ben-Maimon CarolePresident and CEOJan 26Jan 27A · derivative600,600$3.60$2,162,160600,600NoForm 4
Clayton RussellChief Medical OfficerJan 26Jan 27A25,637$0.00$071,443NoForm 4
Clayton RussellChief Medical OfficerJan 26Jan 27A · derivative153,822$3.60$553,759153,822NoForm 4
Shankar GopiChief Development OfficerJan 26Jan 27A25,637$0.00$076,443NoForm 4
Shankar GopiChief Development OfficerJan 26Jan 27A · derivative153,822$3.60$553,759153,822NoForm 4
Deerfield Mgmt HIF, L.P.Jul 31, 2025Aug 4, 2025P3,387,529$3.20Purchase +$10,840,0939,538,918NoForm 4
Deerfield Mgmt HIF, L.P.Jul 31, 2025Aug 4, 2025P3,387,539$3.20Purchase +$10,840,1259,538,945NoForm 4
Deerfield Mgmt HIF, L.P.Jul 31, 2025Aug 4, 2025P2,599,932$3.20Purchase +$8,319,7827,321,129NoForm 4
Deerfield Management Company, L.P. (Series C)May 13, 2025May 15, 2025A · derivative19,000$1.88$35,72019,000NoForm 4
Leff Jonathan SMay 13, 2025May 14, 2025A · derivative19,000$1.88$35,72019,000NoForm 4
Thomas Frank EMay 13, 2025May 14, 2025A · derivative19,000$1.88$35,72019,000NoForm 4
Hamilton Thomas EdwardMay 13, 2025May 14, 2025A · derivative19,000$1.88$35,72019,000NoForm 4
Truitt JosephMay 13, 2025May 14, 2025A · derivative19,000$1.88$35,72019,000NoForm 4
Sherman Jeffrey WMay 13, 2025May 14, 2025A · derivative19,000$1.88$35,72019,000NoForm 4
Celano MichaelChief Financial OfficerJan 22, 2025Jan 24, 2025A34,185$0.00$0178,181NoForm 4
Celano MichaelChief Financial OfficerJan 22, 2025Jan 24, 2025A · derivative205,111$3.46$709,684205,111NoForm 4
Ben-Maimon CarolePresident and CEOJan 22, 2025Jan 24, 2025A91,000$0.00$0387,208NoForm 4
Ben-Maimon CarolePresident and CEOJan 22, 2025Jan 24, 2025A · derivative546,000$3.46$1,889,160546,000NoForm 4
Clayton RussellChief Medical OfficerJan 22, 2025Jan 24, 2025A23,306$0.00$045,806NoForm 4
Clayton RussellChief Medical OfficerJan 22, 2025Jan 24, 2025A · derivative139,838$3.46$483,839139,838NoForm 4
Shankar GopiChief Development OfficerJan 22, 2025Jan 24, 2025A23,306$0.00$050,806NoForm 4
Shankar GopiChief Development OfficerJan 22, 2025Jan 24, 2025A · derivative139,838$3.46$483,839139,838NoForm 4
Flynn James EMay 29, 2024Jun 3, 2024A · derivative19,000$7.07$134,33019,000NoForm 4
Hamilton Thomas EdwardMay 29, 2024May 31, 2024A · derivative19,000$7.07$134,33019,000NoForm 4
Truitt JosephMay 29, 2024May 31, 2024A · derivative19,000$7.07$134,33019,000NoForm 4
Sherman Jeffrey WMay 29, 2024May 31, 2024A · derivative19,000$7.07$134,33019,000NoForm 4
Leff Jonathan SMay 29, 2024May 31, 2024A · derivative19,000$7.07$134,33019,000NoForm 4
Thomas Frank EMay 29, 2024May 31, 2024A · derivative19,000$7.07$134,33019,000NoForm 4
Hamilton Thomas EdwardFeb 16, 2024May 31, 2024P57,208$8.74Purchase +$499,998564,798NoForm 4
Deerfield Mgmt L.P.Feb 16, 2024Feb 16, 2024P1,430,206$8.74Purchase +$12,500,0006,151,389NoForm 4
Deerfield Mgmt L.P.Feb 16, 2024Feb 16, 2024P1,430,206$8.74Purchase +$12,500,0006,151,406NoForm 4
Deerfield Mgmt L.P.Feb 16, 2024Feb 16, 2024P1,430,205$8.74Purchase +$12,499,9924,207,982NoForm 4
Thomas Frank EFeb 14, 2024Feb 15, 2024P2,000$11.00Purchase +$22,0002,000NoForm 4
Ben-Maimon CarolePresident and CEOJan 17, 2024Jan 19, 2024A66,125$0.00$0332,954NoForm 4
Ben-Maimon CarolePresident and CEOJan 17, 2024Jan 19, 2024A · derivative396,750$4.21$1,670,318396,750NoForm 4
Clayton RussellChief Medical OfficerJan 17, 2024Jan 19, 2024A22,500$0.00$022,500NoForm 4
Clayton RussellChief Medical OfficerJan 17, 2024Jan 19, 2024A · derivative135,000$4.21$568,350135,000NoForm 4
Celano MichaelChief Financial OfficerJan 17, 2024Jan 19, 2024A31,250$0.00$0143,996NoForm 4
Celano MichaelChief Financial OfficerJan 17, 2024Jan 19, 2024A · derivative187,500$4.21$789,375187,500NoForm 4
Shankar GopiChief Development OfficerJan 17, 2024Jan 19, 2024A22,500$0.00$027,500NoForm 4
Shankar GopiChief Development OfficerJan 17, 2024Jan 19, 2024A · derivative135,000$4.21$568,350135,000NoForm 4
Shankar GopiChief Development OfficerDec 7, 2023Dec 8, 2023P5,000$3.73Purchase +$18,6505,000NoForm 4
Sherman Jeffrey WOct 3, 2023Oct 5, 2023A · derivative16,600$3.56$59,09616,600NoForm 4