Arkolith/Insider Trading/SION/Form 4

Winkelried Jon

10% OwnerSionna Therapeutics, Inc. (SION) · full profile →Form 4 · filed Jan 26, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$10.0M
Net Open-Market Flow
-$10.0M
Transactions
1
1 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 22, 2026Sell(S)250K$40.00$10.0M6.5M

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001999371-26-001696) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML