Insider Ledger

LRMR insider buying and SEC filings, explained

Larimar Therapeutics, Inc. · CIK 1374690

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
Pharmaceutical Preparations
State of incorporation
DE
Fiscal year end
Dec 31
Former names
ZAFGEN, INC.; ZAFGEN INC

Insider activity in the last 12 months

Bought
$25.2M
Insiders who bought
2
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Jul 6, 2026Purchase (code P)Thomas Edward Hamilton (Director) bought 50,000 shares at about $3.34 ($167K), reported as a purchase (code P). Holdings up 8% to 714,798 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jul 8, 2026
Feb 27, 2026Purchase (code P)James E Flynn (Director and 10% owner) bought 5,000,000 shares indirectly (by entity) at $5.00 ($25.0M), reported as a purchase (code P). Holdings by entity up 48% to 6,207,982 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 9 other reporting owners.SEC filing
Filed Mar 2, 2026
Feb 27, 2026Other purchaseThomas Edward Hamilton (Director) bought 100,000 Common Stock at $5.00 ($500K) in a public offering. Holdings up 18% to 664,798 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 2, 2026
Feb 27, 2026Other purchaseFrank E. Thomas (Director) bought 5,000 Common Stock at $5.00 ($25K) in a public offering. Holdings up 250% to 7,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 2, 2026
Feb 27, 2026Other purchaseJeffrey W. Sherman (Director) bought 5,000 Common Stock at $5.00 ($25K) in a public offering. New position of 5,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 2, 2026

11 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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