RTSN · smart money activity

Who's buying Retension Pharmaceuticals, Inc.?

2 insiders bought $370K within 14 days, including Eric L. Keller (CHIEF EXECUTIVE OFFICER) and Franklin M Berger (Director); Eric Keller: new Schedule 13D: 7.1% stake.

Smart money score81#13 of 372 stocks
Latest filingOct 14, 2026
Independent buyers3
Signal sources13D, Form 4
Signals against0

RTSN insider buying, 13F and 13D filings

  • Oct 14, 202613D stake (no activist plan)
    Eric Keller: New Schedule 13D: 7.1% stake
    The Reporting Person acquired beneficial ownership of the securities reported herein in as Chief Executive Officer, a member of the board of directors (the "Board") and a co-founder of the Issuer, for investment purposes, and as compensation from the Issuer. In his capacity as Ch…
  • Oct 13, 2026Insider buy
    Eric L. Keller (CHIEF EXECUTIVE OFFICER): Bought $250K on the open market
    20.8K shares at ~$12.00, traded 2026-10-13. Now holds 423.4K shares (stake up 5%).

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Signals come from SEC filings: Form 4 (insiders, filed within 2 business days), 13F (fund holdings, up to 45 days after quarter end) and Schedule 13D (5%+ activist stakes). This page reports what the filings show; it is not investment advice.