Arkolith/Insider Trading/RNA/Form 4

Mosbrooker Eric

Chief Commercial OfficerAvidity Biosciences, Inc. (RNA) · full profile →Form 4 · filed Sep 5, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$309K
Net Open-Market Flow
-$309K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 3, 2025Option exercise(M)7K$9.05$59K62K
Sep 3, 2025Sell(S)7K$47.07$309K55K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Sep 3, 2025Option exercise(M)7K—$0184K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001599901-25-000173) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML