Retension Pharmaceuticals, Inc. (RTSN) has 10 SEC Form 4 insider filings on record in the last 90 days. That includes 2 insider purchases totalling $370K. Most recent filing: Oct. 13, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Oct. 13, 2026 | Keller Eric L. CHIEF EXECUTIVE OFFICER | +$249,600 | 358,034 | — | No | |
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| Oct. 13, 2026 | Cheruvu Pavan Director | $0 | 5,636 | 0% | No | |
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| Oct. 13, 2026 | Olds Donald Director | $0 | 11,274 | — | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
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