InsiderTrades

Form 4 for RNA Atrium Therapeutics, Inc.

Accepted 2026-09-22 16:18:49 ET · period of report 2026-09-18 · accession 0001193125-26-397948 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-09-22 16:18 2026-09-18 RNA Kenney Stephanie See Remarks F - Tax $8.95 -2,375 33.1K -7% -$21.3K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-09-18 F D 2,375 $8.95 33,085 D — — (F1) Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.