Thomas Edward Hamilton - 06 Jul 2026 Form 4 Insider Report for Larimar Therapeutics, Inc. (LRMR)

Reporting relationship: Director
Issuer ticker: LRMR
Reported as of: 06 Jul 2026
Net transaction value: +$166,890
SEC form: 4
Accepted by SEC: 08 Jul 2026, 16:05:03 UTC
Prior SEC filing: 12 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jennifer Johansson, Attorney-in-fact

Key filing fact

Thomas Edward Hamilton filed Form 4 for Larimar Therapeutics, Inc. (LRMR) on 08 Jul 2026.

Key facts

This page summarizes Thomas Edward Hamilton's Form 4 filing for Larimar Therapeutics, Inc. (LRMR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 08 Jul 2026, 16:05.

Change

Previous filing in this sequence was filed on 12 Jun 2026.
Current net transaction value: +$166,890.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001769848 Primary reporting owner

Hamilton Thomas Edward

Relationship: Director
Address: C/O LARIMAR THERAPEUTICS, INC., THREE BALA PLAZA EAST, SUITE 506, BALA CYNWYD
Signature: /s/ Jennifer Johansson, Attorney-in-fact
Signature date: 08 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LRMR transaction

Common Stock

Purchase

Transaction value: $166,890
Shares: +50,000
Change %: +7.5%
Price: $3.34
Shares after: 714,798
Date: 06 Jul 2026
Ownership: Direct
Footnotes: F1

LRMR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 159,433
Date: 06 Jul 2026
Ownership: Post Edison, LLC

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.33 to $3.35, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.