Larimar Therapeutics, Inc. (LRMR)
Larimar Therapeutics, Inc. (LRMR) Insider Trading
Directors, officers and holders of more than 10% of LRMR report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 41 most recent of 41 transactions on file: 11 with code P, 0 with code S and 30 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | Harlow John B. Jr. | President and COO | A Award | 50,000 | Not measured | Not measured |
| Sep 29, 2026 | Harlow John B. Jr. | President and COO | A Award | 800,000 | Not measured | Not measured |
| Jul 6, 2026 | Hamilton Thomas Edward | Director | P Purchase | 50,000 | $3.34 | $166,890 |
| May 19, 2026 | LEFF JONATHAN S | Director | A Award | 55,150 | Not measured | Not measured |
| May 19, 2026 | Flynn James E | Director | A Award | 55,150 | Not measured | Not measured |
| May 19, 2026 | Hamilton Thomas Edward | Director | A Award | 55,150 | Not measured | Not measured |
| May 19, 2026 | THOMAS FRANK E | Director | A Award | 55,150 | Not measured | Not measured |
| May 19, 2026 | Truitt Joseph | Director | A Award | 55,150 | Not measured | Not measured |
| May 19, 2026 | SHERMAN JEFFREY W | Director | A Award | 55,150 | Not measured | Not measured |
| Feb 27, 2026 | Flynn James E | Director | P Purchase | 831,978 | $5.00 | $4,159,890 |
| Feb 27, 2026 | Flynn James E | Director | P Purchase | 1,084,010 | $5.00 | $5,420,050 |
| Feb 27, 2026 | Flynn James E | Director | P Purchase | 1,084,012 | $5.00 | $5,420,060 |
| Feb 27, 2026 | Flynn James E | Director | P Purchase | 2,000,000 | $5.00 | $10,000,000 |
| Feb 27, 2026 | Hamilton Thomas Edward | Director | P Purchase | 100,000 | $5.00 | $500,000 |
| Feb 27, 2026 | THOMAS FRANK E | Director | P Purchase | 5,000 | $5.00 | $25,000 |
| Feb 27, 2026 | SHERMAN JEFFREY W | Director | P Purchase | 5,000 | $5.00 | $25,000 |
| Jan 26, 2026 | Shankar Gopi | Chief Development Officer | A Award | 153,822 | Not measured | Not measured |
| Jan 26, 2026 | BEN-MAIMON CAROLE | President and CEO | A Award | 100,100 | Not measured | Not measured |
| Jan 26, 2026 | Celano Michael | Chief Financial Officer | A Award | 37,604 | Not measured | Not measured |
| Jan 26, 2026 | Shankar Gopi | Chief Development Officer | A Award | 25,637 | Not measured | Not measured |
| Jan 26, 2026 | Clayton Russell | Chief Medical Officer | A Award | 25,637 | Not measured | Not measured |
| Jan 26, 2026 | Celano Michael | Chief Financial Officer | A Award | 225,622 | Not measured | Not measured |
| Jan 26, 2026 | BEN-MAIMON CAROLE | President and CEO | A Award | 600,600 | Not measured | Not measured |
| Jan 26, 2026 | Clayton Russell | Chief Medical Officer | A Award | 153,822 | Not measured | Not measured |
| Jul 31, 2025 | Flynn James E | Director | P Purchase | 3,387,539 | $3.20 | $10,840,125 |
| Jul 31, 2025 | Flynn James E | Director | P Purchase | 3,387,529 | $3.20 | $10,840,093 |
| Jul 31, 2025 | Flynn James E | Director | P Purchase | 2,599,932 | $3.20 | $8,319,782 |
| May 13, 2025 | Flynn James E | Director | A Award | 19,000 | Not measured | Not measured |
| May 13, 2025 | THOMAS FRANK E | Director | A Award | 19,000 | Not measured | Not measured |
| May 13, 2025 | SHERMAN JEFFREY W | Director | A Award | 19,000 | Not measured | Not measured |
| May 13, 2025 | Hamilton Thomas Edward | Director | A Award | 19,000 | Not measured | Not measured |
| May 13, 2025 | LEFF JONATHAN S | Director | A Award | 19,000 | Not measured | Not measured |
| May 13, 2025 | Truitt Joseph | Director | A Award | 19,000 | Not measured | Not measured |
| Jan 22, 2025 | Celano Michael | Chief Financial Officer | A Award | 205,111 | Not measured | Not measured |
| Jan 22, 2025 | BEN-MAIMON CAROLE | President and CEO | A Award | 91,000 | Not measured | Not measured |
| Jan 22, 2025 | Celano Michael | Chief Financial Officer | A Award | 34,185 | Not measured | Not measured |
| Jan 22, 2025 | Clayton Russell | Chief Medical Officer | A Award | 23,306 | Not measured | Not measured |
| Jan 22, 2025 | Shankar Gopi | Chief Development Officer | A Award | 23,306 | Not measured | Not measured |
| Jan 22, 2025 | Shankar Gopi | Chief Development Officer | A Award | 139,838 | Not measured | Not measured |
| Jan 22, 2025 | Clayton Russell | Chief Medical Officer | A Award | 139,838 | Not measured | Not measured |
| Jan 22, 2025 | BEN-MAIMON CAROLE | President and CEO | A Award | 546,000 | Not measured | Not measured |
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.