// company-profile
Larimar Therapeutics, Inc.
LRMRExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings48Insiders19
// api This Larimar Therapeutics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Larimar Therapeutics, Inc. insiders bought $0 across 6 transactions with no open-market sales.
- Most active insider: THOMAS FRANK E with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Larimar Therapeutics, Inc. as of 2026-03-31
Total reported AUM
$392.2M
QoQ change
+49.3%
Reporting period
2026-03-31
#1
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
$160.2M
35.6M shares
#2
Blue Owl Capital Holdings LP
CIK 1858703
$32.0M
7.1M shares
#3
MILLENNIUM MANAGEMENT LLC
CIK 1273087
$16.3M
3.6M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 19, 2026 | THOMAS FRANK E | LRMR | Award | 55,150 | $0.00 | $0K |
| May 19, 2026 | Truitt Joseph | LRMR | Award | 55,150 | $0.00 | $0K |
| May 19, 2026 | SHERMAN JEFFREY W | LRMR | Award | 55,150 | $0.00 | $0K |
| May 19, 2026 | Flynn James E | LRMR | Award | 55,150 | $0.00 | $0K |
| May 19, 2026 | Hamilton Thomas Edward | LRMR | Award | 55,150 | $0.00 | $0K |
45 more transactions hidden
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