MarketPeel
EK

Eric L. Keller

RTSN
CHIEF EXECUTIVE OFFICER · RETENSION PHARMACEUTICALS, INC. · CIK 0002156365
FILING MIX · LIFETIME67%/33%
BUYS
4
SELLS
2
TOTAL VALUE
$249.6K
COMPANIES
1
ACTIVE SINCE
Oct 2026
HOLDINGS NOW
423,377
AVG SELL PX
—
TRADE KIND
SHOWING 6 / 6
Trades · vs SPY
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Performance · forward returns vs SPY
No backtest data available for Eric L. Keller. Backtests are computed for purchase (P) and sale (S) transactions with resolvable price history.

Dollar flow by company · 4 months

Open-market Form 4 flow · derivatives and mechanical transactions excluded

1 / 0
20,800
+$250K
07+$008+$009+$010+$250K
2026-10-13 → 2026-10-13
Holdings over time
RTSN · 423,377 shares · as of Oct 13, 2026
0116,102232,204348,305464,407SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2026
FLOW · 1 buys / 0 sellsCOVERAGE · 1 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
RTSN
RETENSION PHARMACEUTICALS, INC.
PURCHASE
CHIEF EXECUTIVE OFFICER
20,800$12.00$249.6K423,377Oct 13, 2026Oct 13, 2026 ↗View →
RTSN
RETENSION PHARMACEUTICALS, INC.
ACQUIRE
CHIEF EXECUTIVE OFFICER
31,368——464,407Oct 13, 2026Oct 13, 2026 ↗View →
RTSN
RETENSION PHARMACEUTICALS, INC.
DISPOSE (DERIVATIVE)
CHIEF EXECUTIVE OFFICER
31,368——0Oct 13, 2026Oct 13, 2026 ↗View →
RTSN
RETENSION PHARMACEUTICALS, INC.
ACQUIRE
CHIEF EXECUTIVE OFFICER
9,662——433,039Oct 13, 2026Oct 13, 2026 ↗View →
RTSN
RETENSION PHARMACEUTICALS, INC.
DISPOSE (DERIVATIVE)
CHIEF EXECUTIVE OFFICER
9,662——0Oct 13, 2026Oct 13, 2026 ↗View →
RTSN
RETENSION PHARMACEUTICALS, INC.
ACQUIRE (DERIVATIVE)GRANT
Stock grant
255,174——255,174Oct 13, 2026Oct 13, 2026 ↗View →
Other insiders · RTSN
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About this filer
CIK 0002156365
ROLE
CHIEF EXECUTIVE OFFICER
PRIMARY
RTSN
COMPANIES
1
ACTIVE SINCE
Oct 2026
MARKETPEEL · /INSIDER/0002156365DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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