Retension Pharmaceuticals, Inc. (RTSN) insider trading
Retension Pharmaceuticals, Inc. insiders have made 2 open-market purchases worth $370k since Oct 13, 2026, by 2 different insiders. The latest: Eric L. Keller (CEO) bought $250k, filed Oct 13, 2026, scored 52 out of 100. 1 buy in the last year came within ten days of another insider's: a cluster, one of the stronger patterns in the research.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 13 Form 4 (opens sec.gov) |
Eric L. KellerCEO · 2 insiders buyingCEO · 2 insiders buying | +5% stake | 52 | $250k 20,800 at $12.00 |
+28.9% | waiting |
| Oct 13 Form 4 (opens sec.gov) |
Franklin M. BergerDirectorDirector · 2 insiders buying | New position | 56 | $120k 10,000 at $12.00 |
+28.9% | waiting |
Track record (hypothetical): a week after the filing, these buys averaged +28.9% (100% up, 2 measured).
Investors with more than 5% of RTSN (13D and 13G)
| Filed | Investor | Kind | Stake |
|---|---|---|---|
| Oct 16 13G | The B Group, Inc. | Passive | 10% |
| Oct 16 13G | PVG ASSET MANAGEMENT CORP | Passive | 8.3% |
| Oct 15 13G | Laurence W. Lytton | Passive | 7.4% |
| Oct 14 13D | Eric Keller | Activist | 7.07% |
A 13D is filed by an investor who may push for change; a 13G by a passive one.
Insiders who bought RTSN
- Eric L. Keller CEO
- Franklin M. Berger Director
Questions
Are insiders buying RTSN stock?
Yes. In the last 90 days, 2 open-market purchases were filed, worth $370k.
Who bought RTSN stock most recently?
Eric L. Keller, CEO, bought 20,800 shares for $250k (Form 4 (opens sec.gov), filed Oct 13, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
Data as of Oct 13, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer