Insider · CIK 0002095554
John B. Harlow Jr.
Files at LRMR (Larimar Therapeutics, Inc.), ESPR (Esperion Therapeutics, Inc.). First filing -, latest -.
John B. Harlow Jr. files SEC Form 4 as COO and president at LRMR (Larimar Therapeutics, Inc.), and also at ESPR (Esperion Therapeutics, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; John B. Harlow Jr. has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | LRMR Larimar Therapeutics, Inc. | AGrant or award Common Stock | +50,000 | $0.00 | $0 | 50,000 | 12 d ago |
| Sep 29, 2026 | LRMR Larimar Therapeutics, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +800,000 | $0.00 | $0 | 800,000 | 12 d ago |
| Dec 4, 2025 | ESPR Esperion Therapeutics, Inc. | AGrant or award Common Stock | +424,536 | $0.00 | $0 | 424,536 | Dec 8, 2025 |
| Dec 4, 2025 | ESPR Esperion Therapeutics, Inc. | AGrant or award Stock Option (right to buy)derivative | +380,000 | $0.00 | $0 | 380,000 | Dec 8, 2025 |
Questions about John B. Harlow Jr.
Answered from the filings on this page, as of the latest one.
Is John B. Harlow Jr. buying or selling?
John B. Harlow Jr. has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did John B. Harlow Jr.'s past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John B. Harlow Jr. has 0.
Where does John B. Harlow Jr. file Form 4?
John B. Harlow Jr. has filed Form 4 at LRMR (Larimar Therapeutics, Inc.) as President and COO; ESPR (Esperion Therapeutics, Inc.) as Chief Commercial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.