Insider tradingForm 4

Retension Pharmaceuticals, Inc. (RTSN) Insider Trading

2 open-market trades reported since Oct 13, 2026: 2 purchases worth $370K and 0 sales worth $0.

By insider

Insider	Role	Buys	Bought	Sells	Sold	Latest
Eric L. Keller	CEO	1	$250K	0	$0	Oct 13, 2026
Franklin M. Berger	Director	1	$120K	0	$0	Oct 13, 2026

RTSN insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	3 mo. after	Filing
Oct 13	Oct 13	Eric L. KellerCEO	CEO	▲ BUY	20,800	12.00	$250K	+5.2%		Form 4 ↗
Oct 13	Oct 13	Franklin M. BergerDirector	Director (ind.)	▲ BUY	10,000	12.00	$120K	New		Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings