Companies / Larimar Therapeutics, Inc.

Larimar Therapeutics, Inc.

Nasdaq: LRMRCIK 1374690BALA CYNWYD, PAzafgen.com ↗

Financials · FY2019

Revenue$0
Net income$-165.67M
Total debt$14.54M
Cash$92.69M
Diluted EPS$-1.32
Shares outstanding103.9M

Ownership

103.9M shares outstanding · as of Aug 2, 2026
35.6%Insiders
Ownership
Insiders35.63%37,015,719
Institutions78.95%82,016,416
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 19

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Insider% of sharesShares
Deerfield Mgmt, L.P.Director · 10% owner
34.28%35,606,974
Hamilton Thomas EdwardDirector
0.64%664,798
Ben-Maimon CaroleCEOPresident and CEO · Director
0.35%368,276
Celano MichaelChief Financial Officer
0.21%215,785
Shankar GopiChief Development Officer
0.07%76,443
Clayton RussellChief Medical Officer
0.07%71,443
Thomas Frank EDirector
<0.01%7,000
Sherman Jeffrey WDirector
<0.01%5,000
Deerfield Healthcare Innovations Fund, L.P.Director · 10% owner
——
Deerfield Management Company, L.P.Director · 10% owner
——

Institutional holders 146

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HolderValue% of shares
Deerfield Management Company, L.P.$160.23M34.28%
Blue Owl Capital Holdings LP$26.00M6.57%
BlackRock, Inc.$17.32M5.47%
Millennium Management LLC$16.31M3.49%
RTW Investments, LP$11.91M3.01%
Vanguard Group Inc$11.61M2.93%
DAFNA Capital Management LLC$9.13M1.95%
AIGH Capital Management LLC$7.62M1.93%
Point72 Asset Management, L.P.$5.57M1.41%
Citadel Advisors LLC$5.21M1.32%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 27, 2026Deerfield Mgmt, L.P.
Director
BuyCommon Stock$10.00M+2.0M
+47.53%
6,207,982
5.98% of shares
high
Feb 27, 2026Deerfield Mgmt, L.P.
Director
BuyCommon Stock$5.42M+1.1M
+11.36%
10,622,957
10.23% of shares
high
Feb 27, 2026Deerfield Mgmt, L.P.
Director
BuyCommon Stock$5.42M+1.1M
+11.36%
10,622,928
10.23% of shares
high
Feb 27, 2026Deerfield Mgmt, L.P.
Director
BuyCommon Stock$4.16M+832K
+11.36%
8,153,107
7.85% of shares
high
Feb 27, 2026Hamilton Thomas Edward
Director
BuyCommon Stock$500.0K+100K
+17.71%
664,798
0.64% of shares
high
Feb 27, 2026Thomas Frank E
Director
BuyCommon Stock$25.0K+5K
+250.00%
7,000
<0.01% of shares
low
Feb 27, 2026Sherman Jeffrey W
Director
BuyCommon Stock$25.0K+5K
5,000
<0.01% of shares
low
Jan 26, 2026Clayton Russell
Executive
GrantCommon Stock$0+26K
+55.97%
71,443
0.07% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
RA Capital Management, L.P.Passive13G/A———
Blue Owl Capital Holdings LPPassive13G/A———
Millennium Management LLCPassive13G/A———
Blue Owl Capital Holdings LPPassive13G/A———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
LRMR——517125100—