Arkolith/Insider Trading/RNA/Form 4

Mosbrooker Eric

Chief Commercial OfficerAvidity Biosciences, Inc. (RNA) · full profile →Form 4 · filed Oct 7, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$298K
Net Open-Market Flow
-$298K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Oct 3, 2025Sell(S)7K$45.38$298K55K
Oct 3, 2025Option exercise(M)7K$9.05$59K62K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Oct 3, 2025Option exercise(M)7K—$0177K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001599901-25-000192) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML