RTSN Retension Pharmaceuticals, Inc. - Common Stock
NASDAQRTSN Stock Snapshot Price, market cap, P/E, EPS, ROE, debt/equity, 52-week range
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10-Year Performance Revenue, net income, margins and EPS trends
Valuation P/E, P/S, P/B, EV/EBITDA ratios — is the stock expensive or cheap?
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Profitability Gross, operating and net margins; ROE, ROA, ROIC
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Financial Health Debt, liquidity, solvency — balance sheet strength
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Growth Revenue, EPS and net income growth: YoY, 3Y CAGR, 5Y CAGR
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Capital Efficiency Asset turnover, inventory turnover, receivables turnover
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value · ≈ 5Y avg · industry median · verdict relative to median
Activists & 5%+ owners 1 position
Investors who filed SEC Schedule 13D — beneficial ownership above 5% with an intent to influence the issuer (activist stakes, board campaigns, M&A). Each row shows the most recent known state of that filer's position.
| Filer | Filed | Stake | Status | Purpose | Filing |
|---|---|---|---|---|---|
| Eric Keller | Oct. 14, 2026 | 7.07% | Initial filing | Passive investment | SEC |
Purpose is an automated classification of the filer's own stated purpose (SEC Item 4) — not investment advice. "—" means no clear purpose was stated or the text could not be classified.
Company insiders 7 insiders · 3 officers · 5 directors
| Insider | Role | Last activity | Shares owned | Buys 12m | Sells 12m | Net 12m |
|---|---|---|---|---|---|---|
| Eric L. Keller | CHIEF EXECUTIVE OFFICER | Oct. 22, 2026 A | 464,407 | 1 | 0 | $249,600 |
| Sabine Bisson | CHIEF OPERATING OFFICER | Oct. 13, 2026 C | 4,115 | 0 | 0 | $0 |
| Paul Sweetnam | CHIEF SCIENTIFIC OFFICER | Oct. 13, 2026 C | 2,640 | 0 | 0 | $0 |
| Donald Olds | Director | Oct. 13, 2026 C | 5,637 | 0 | 0 | $0 |
| Pavan Cheruvu | Director | Oct. 13, 2026 A | · | 0 | 0 | $0 |
| Franklin M Berger | Director | Oct. 13, 2026 C | 10,000 | 1 | 0 | $120,000 |
| Michael J Berendt | Director | Oct. 13, 2026 C | 6,666 | 0 | 0 | $0 |
Insiders from SEC Form 3/4/5 filings; net = open-market P/S only
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