RTSN Retension Pharmaceuticals (RTSN) Insider Trading, Ownership & Congress Trades
What the filings say about RTSN
Retension Pharmaceuticals insider trades (Form 4)
Over the last 180 days, Retension Pharmaceuticals, Inc. insiders bought a net $369.6K of stock across 2 Form 4 purchases and sales, with 2 insiders buying. Source: SEC Form 4 filings, as of 2026-10-28.
Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 100.0% of the 10,000 shares held after it.
- 1 other insider bought within 30 days.
Insider activity: Director BERGER FRANKLIN M bought about $120.0K of RTSN on Oct 13, 2026, the largest insider purchase at the company on our record; 1 other insider bought within 30 days.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 4.9% of the 423,377 shares held after it.
- 1 other insider bought within 30 days.
Insider activity: CHIEF EXECUTIVE OFFICER Keller Eric L. bought about $249.6K of RTSN on Oct 13, 2026, the largest insider purchase at the company on our record; 1 other insider bought within 30 days.Watch RTSN
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
Who owns RTSN: institutional holders (13F)
No fund above the reporting threshold listed this stock last quarter. That is a fact, not missing data.
Congress trades in RTSN
Activist and 5% holders (13D/13G)
RTSN planned insider sales (Form 144)
RTSN Stock Sonar score 2/7 axes
Find similar shapesCompare2 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
RTSN filings, in plain words
Are Retension Pharmaceuticals insiders buying or selling RTSN?
In the 180 days to 2026-10-28, Retension Pharmaceuticals insiders were net buyers, a net $369.6K across purchases and sales reported on Form 4, by 2 buyers.
Read the full summary
In the 180 days to 2026-10-28, Retension Pharmaceuticals insiders were net buyers of RTSN, a net $369.6K across purchases and sales reported on Form 4 by 2 buyers. 2 different insiders reported purchases within the last 90 days, a cluster buy, which is rarer than a single purchase. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

