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Larimar Therapeutics, Inc.

LRMR
Healthcare|Biotechnology|US
$2.39
+0.07 (+3.02%)
DCF Value
$1.06
Tangible Book / Share
$1.23
Cash / Share
$1.50

Ownership Breakdown

55.7%
Float
103.9M
Shares Outstanding
57.9M
Float Shares

Major Holders (23)

Combined: 196.3%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
James E. FlynnIndividual34.41%35,667,474Mar 2, 202613D/G
Deerfield Management Company, L.P.Partnership34.41%35,667,474Mar 2, 202613D/G
Deerfield Private Design Fund III, L.P.Partnership10.25%10,622,928Mar 2, 202613D/G
Deerfield Private Design Fund IV, L.P.Partnership10.25%10,622,957Mar 2, 202613D/G
Deerfield Mgmt III, L.P.Partnership10.25%10,622,928Mar 2, 202613D/G
Deerfield Mgmt IV, L.P.Partnership10.25%10,622,957Mar 2, 202613D/G
Blue Owl Capital Holdings LPPartnership9.99%10,739,492May 14, 202613D/G
Janus Henderson Biotech Innovation Master Fund LtdInvestment company9.10%3,356,076May 14, 202513D/G
Deerfield Healthcare Innovations Fund, L.P.Partnership7.87%8,153,107Mar 2, 202613D/G
Deerfield Mgmt HIF, L.P.Partnership7.87%8,153,107Mar 2, 202613D/G
Deerfield Partners, L.P.Partnership5.99%6,207,982Mar 2, 202613D/G
Deerfield Mgmt, L.P.Partnership5.99%6,207,982Mar 2, 202613D/G
Opaleye Management, Inc.IA, CO4.80%4,110,000Aug 29, 202513D/G
James SilvermanIndividual4.80%4,110,000Aug 29, 202513D/G
Opaleye, L.P.Other4.80%4,110,000Aug 29, 202513D/G
BlackRock, Inc.Holding company4.80%3,079,665Apr 22, 202513D/G
Goldman Sachs & Co. LLCBD, IA, OO4.10%2,600,210May 13, 202513D/G
The Goldman Sachs Group, Inc.HC, CO4.10%2,600,210May 13, 202513D/G
Millennium Group Management LLCOther3.50%3,625,278Apr 30, 202613D/G
Millennium Management LLCOther3.50%3,625,278Apr 30, 202613D/G
Israel A. EnglanderIndividual3.50%3,625,278Apr 30, 202613D/G
Nicholas MaounisHC, IN0.90%594,067Nov 14, 202413D/G
Verition Fund Management LLCIA, OO0.90%594,067Nov 14, 202413D/G

Insider Trades (100)

Last 4 quarters: 17,038,744 acquired · 0 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Harlow John B. Jr.President and COOSep 29, 2026AWARD800,000$3.14$2.5MForm 4
Harlow John B. Jr.President and COOSep 29, 2026AWARD50,000——Form 4
Harlow John B. Jr.Sep 29, 2026OTHER0——Form 4
Hamilton Thomas EdwarddirectorJul 6, 2026BUY50,000$3.34$166.9KForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationMay 19, 2026AWARD55,150$3.33$183.6KForm 4
LEFF JONATHAN SdirectorMay 19, 2026AWARD55,150$3.33$183.6KForm 4
SHERMAN JEFFREY WdirectorMay 19, 2026AWARD55,150$3.33$183.6KForm 4
Truitt JosephdirectorMay 19, 2026AWARD55,150$3.33$183.6KForm 4
THOMAS FRANK EdirectorMay 19, 2026AWARD55,150$3.33$183.6KForm 4
Hamilton Thomas EdwarddirectorMay 19, 2026AWARD55,150$3.33$183.6KForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationFeb 27, 2026BUY1,084,012$5.00$5.4MForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationFeb 27, 2026BUY1,084,010$5.00$5.4MForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationFeb 27, 2026BUY831,978$5.00$4.2MForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationFeb 27, 2026BUY2,000,000$5.00$10.0MForm 4
Hamilton Thomas EdwarddirectorFeb 27, 2026BUY100,000$5.00$500.0KForm 4
THOMAS FRANK EdirectorFeb 27, 2026BUY5,000$5.00$25.0KForm 4
SHERMAN JEFFREY WdirectorFeb 27, 2026BUY5,000$5.00$25.0KForm 4
Shankar GopiChief Development OfficerJan 26, 2026AWARD153,822$3.60$553.8KForm 4
Shankar GopiChief Development OfficerJan 26, 2026AWARD25,637——Form 4
Clayton RussellChief Medical OfficerJan 26, 2026AWARD153,822$3.60$553.8KForm 4
Clayton RussellChief Medical OfficerJan 26, 2026AWARD25,637——Form 4
BEN-MAIMON CAROLEdirector, officer: President and CEOJan 26, 2026AWARD600,600$3.60$2.2MForm 4
BEN-MAIMON CAROLEdirector, officer: President and CEOJan 26, 2026AWARD100,100——Form 4
Celano MichaelChief Financial OfficerJan 26, 2026AWARD225,622$3.60$812.2KForm 4
Celano MichaelChief Financial OfficerJan 26, 2026AWARD37,604——Form 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationJul 31, 2025BUY3,387,539$3.20$10.8MForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationJul 31, 2025BUY3,387,529$3.20$10.8MForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationJul 31, 2025BUY2,599,932$3.20$8.3MForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationMay 13, 2025AWARD19,000$1.88$35.6KForm 4
SHERMAN JEFFREY WdirectorMay 13, 2025AWARD19,000$1.88$35.6KForm 4
Truitt JosephdirectorMay 13, 2025AWARD19,000$1.88$35.6KForm 4
Hamilton Thomas EdwarddirectorMay 13, 2025AWARD19,000$1.88$35.6KForm 4
THOMAS FRANK EdirectorMay 13, 2025AWARD19,000$1.88$35.6KForm 4
LEFF JONATHAN SdirectorMay 13, 2025AWARD19,000$1.88$35.6KForm 4
Shankar GopiChief Development OfficerJan 22, 2025AWARD139,838$3.46$483.8KForm 4
Shankar GopiChief Development OfficerJan 22, 2025AWARD23,306——Form 4
Clayton RussellChief Medical OfficerJan 22, 2025AWARD139,838$3.46$483.8KForm 4
Clayton RussellChief Medical OfficerJan 22, 2025AWARD23,306——Form 4
BEN-MAIMON CAROLEdirector, officer: President and CEOJan 22, 2025AWARD546,000$3.46$1.9MForm 4
BEN-MAIMON CAROLEdirector, officer: President and CEOJan 22, 2025AWARD91,000——Form 4
Celano MichaelChief Financial OfficerJan 22, 2025AWARD205,111$3.46$709.7KForm 4
Celano MichaelChief Financial OfficerJan 22, 2025AWARD34,185——Form 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationMay 29, 2024AWARD19,000$7.07$134.3KForm 4
THOMAS FRANK EdirectorMay 29, 2024AWARD19,000$7.07$134.3KForm 4
LEFF JONATHAN SdirectorMay 29, 2024AWARD19,000$7.07$134.3KForm 4
SHERMAN JEFFREY WdirectorMay 29, 2024AWARD19,000$7.07$134.3KForm 4
Truitt JosephdirectorMay 29, 2024AWARD19,000$7.07$134.3KForm 4
Hamilton Thomas EdwarddirectorFeb 16, 2024BUY57,208$8.74$500.0KForm 4
Hamilton Thomas EdwarddirectorMay 29, 2024AWARD19,000$7.07$134.3KForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationFeb 16, 2024BUY1,430,206$8.74$12.5MForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationFeb 16, 2024BUY1,430,206$8.74$12.5MForm 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationFeb 16, 2024BUY1,430,205$8.74$12.5MForm 4
THOMAS FRANK EdirectorFeb 14, 2024BUY2,000$11.00$22.0KForm 4
Shankar GopiChief Development OfficerJan 17, 2024AWARD135,000$4.21$568.4KForm 4
Shankar GopiChief Development OfficerJan 17, 2024AWARD22,500——Form 4
Celano MichaelChief Financial OfficerJan 17, 2024AWARD187,500$4.21$789.4KForm 4
Celano MichaelChief Financial OfficerJan 17, 2024AWARD31,250——Form 4
Clayton RussellChief Medical OfficerJan 17, 2024AWARD135,000$4.21$568.4KForm 4
Clayton RussellChief Medical OfficerJan 17, 2024AWARD22,500——Form 4
BEN-MAIMON CAROLEdirector, officer: President and CEOJan 17, 2024AWARD396,750$4.21$1.7MForm 4
BEN-MAIMON CAROLEdirector, officer: President and CEOJan 17, 2024AWARD66,125——Form 4
Shankar GopiChief Development OfficerDec 7, 2023BUY5,000$3.73$18.7KForm 4
SHERMAN JEFFREY WdirectorOct 3, 2023AWARD16,600$3.56$59.0KForm 4
SHERMAN JEFFREY Wdirector: Oct 3, 2023OTHER0——Form 4
Clayton RussellChief Medical OfficerJul 17, 2023AWARD180,000$3.22$579.6KForm 4
Clayton RussellofficerJul 17, 2023OTHER0——Form 4
Celano MichaelChief Financial OfficerMay 17, 2023BUY5,000$3.73$18.6KForm 4
BEN-MAIMON CAROLEdirector, officer: President and CEOMay 17, 2023BUY5,000$3.71$18.5KForm 4
Truitt JosephdirectorMay 17, 2023BUY2,750$3.73$10.3KForm 4
Flynn James Edirector, 10 percent owner: May 9, 2023AWARD8,300$5.09$42.2KForm 4
Truitt JosephdirectorMay 9, 2023AWARD8,300$5.09$42.2KForm 4
Hamilton Thomas EdwarddirectorMay 9, 2023AWARD8,300$5.09$42.2KForm 4
LEFF JONATHAN SdirectorMay 9, 2023AWARD8,300$5.09$42.2KForm 4
THOMAS FRANK EdirectorMay 9, 2023AWARD8,300$5.09$42.2KForm 4
Shankar GopiChief Development OfficerFeb 7, 2023AWARD180,000$5.88$1.1MForm 4
Shankar GopiofficerFeb 7, 2023OTHER0——Form 4
Celano MichaelChief Financial OfficerJan 31, 2023AWARD120,000$4.94$592.8KForm 4
Celano MichaelChief Financial OfficerJan 31, 2023AWARD76,000——Form 4
BEN-MAIMON CAROLEdirector, officer: President and CEOJan 31, 2023AWARD325,000$4.94$1.6MForm 4
BEN-MAIMON CAROLEdirector, officer: President and CEOJan 31, 2023AWARD205,000——Form 4
Flynn James Edirector, 10 percent owner: Sep 16, 2022BUY2,777,777$3.15$8.7MForm 4
Flynn James Edirector, 10 percent owner: Sep 16, 2022BUY2,777,777$3.15$8.7MForm 4
Flynn James Edirector, 10 percent owner: Sep 16, 2022BUY2,777,777$3.15$8.7MForm 4
Flynn James Edirector, 10 percent owner: Sep 16, 2022BUY2,777,777$3.15$8.7MForm 4
DEERFIELD PARTNERS, L.P.director, 10 percent owner: Sep 16, 2022DISPOSED0——Form 4
Hamilton Thomas EdwarddirectorSep 16, 2022BUY317,460$3.15$1000.0KForm 4
Celano MichaelChief Financial OfficerSep 16, 2022BUY31,746$3.15$100.0KForm 4
BEN-MAIMON CAROLEdirector, officer: President and CEOSep 16, 2022BUY31,746$3.15$100.0KForm 4
BEN-MAIMON CAROLEdirector, officer: President and CEOMay 10, 2022AWARD40,000$2.92$116.8KForm 4
BEN-MAIMON CAROLEPresident and CEOMay 10, 2022AWARD40,000——Form 4
Celano MichaelChief Financial OfficerMay 10, 2022AWARD20,000——Form 4
Celano MichaelChief Financial OfficerMay 10, 2022AWARD20,000$2.92$58.4KForm 4
Truitt JosephdirectorMay 10, 2022AWARD8,300$2.92$24.2KForm 4
Truitt Josephdirector: May 10, 2022AWARD8,300——Form 4
Barrett Peterdirector: May 10, 2022AWARD8,300——Form 4
Hamilton Thomas Edwarddirector: May 10, 2022AWARD8,300——Form 4
LEFF JONATHAN Sdirector: May 10, 2022AWARD8,300——Form 4
THOMAS FRANK Edirector: May 10, 2022AWARD8,300——Form 4
Flynn James Edirector, 10 percent owner, other: * Director by DeputizationMay 10, 2022AWARD8,300$2.92$24.2KForm 4
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)director: May 10, 2022AWARD8,300——Form 4