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LRMR insider trading

Larimar Therapeutics, Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
6
Bought · 24 mo
$55.7M
Buys · last 90 days
1 · $167k
Most recent buy
2026-07-08

Cluster buy detected

4 insiders bought LRMR within a short window (2026-02-27), $25.6M in total — cluster score 52/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-07-08Hamilton Thomas Edward
Director
Bought50,000$3.34$167k
2026-03-02DEERFIELD MANAGEMENT COMPANY, L.P.cluster
Director · 10% owner
Bought5,000,000$5.00$25.0M
2026-03-02Hamilton Thomas Edwardcluster
Director
Bought100,000$5.00$500k
2026-03-02THOMAS FRANK Ecluster
Director
Bought5,000$5.00$25k
2026-03-02SHERMAN JEFFREY Wcluster
Director
Bought5,000$5.00$25k
2025-08-04DEERFIELD MANAGEMENT COMPANY, L.P.
Director · 10% owner
Bought9,375,000$3.20$30.0M

Most active insider buyers

InsiderRoleBuysTotal bought
DEERFIELD MANAGEMENT COMPANY, L.P.Director · 10% owner2$55.0M
Hamilton Thomas EdwardDirector2$667k
THOMAS FRANK EDirector1$25k
SHERMAN JEFFREY WDirector1$25k

See LRMR on the chart

Every insider buy and sell for LRMR plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.