Insider · CIK 0002105552

Winslow Brendan R.

Reports to the SEC for 1 company · SAN DIEGO, CA

Transactions

Companies

Filings

CIK

0002105552

Forms 4 and 5

Insider transactions

3 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-18	RNAAtrium Therapeutics, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−6,742 sh	$8.95	−$60.3K	36,859
2026-04-20	RNAAtrium Therapeutics, Inc.A Award	Chief Financial Officer	AAward	+30K sh	—	—	43,601
2026-04-20	RNAAtrium Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+60K sh	—	—	60,000

C/O ATRIUM THERAPEUTICS, INC. 10578 SCIENCE CENTER DRIVE, SUITE 125

SAN DIEGO, CA, 92121