Arkolith/Insider Trading/SION/Form 4

Kolchinsky Peter

Director, 10% OwnerSionna Therapeutics, Inc. (SION) · full profile →Form 4 · filed Nov 24, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.2M
Net Open-Market Flow
-$1.2M
Transactions
12
12 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 21, 2025Sell(S)1K$39.50$48K6.9M
Nov 21, 2025Sell(S)10K$39.50$392K650K
Nov 21, 2025Sell(S)6K$39.50$254K2.2M
Nov 21, 2025Sell(S)8K$39.50$301K159K
Nov 20, 2025Sell(S)96$40.50$4K6.9M
Nov 20, 2025Sell(S)512$40.50$21K2.2M
Nov 20, 2025Sell(S)604$40.50$24K167K
Nov 20, 2025Sell(S)150$39.89$6K6.9M
Nov 20, 2025Sell(S)788$40.50$32K660K
Nov 20, 2025Sell(S)1K$39.89$49K661K
Nov 20, 2025Sell(S)801$39.89$32K2.2M
Nov 20, 2025Sell(S)947$39.89$38K167K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001231919-25-000547) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML