CMO and Head of R&D · Sionna Therapeutics, Inc. · Common Stock
Side
A
Value
—
Shares
50.0K
Price
—
Executed
Sep 17, 2026
Disclosed
Sep 18, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Sep 17 executedSep 18, 2026 disclosed
SION · daily
Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Grant or award — administrative, little informational value
Relative size+13 / 25
No reported dollar value · 63.8% of prior position
Filing timing0 / 15
Disclosed 1 business day after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
McKee Charlotte filed this Form 4 reporting a grant or award of SION on Sep 17, 2026. It became public on Sep 18, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
Extraction
Method
Form 4 XML
Confidence
1.00
CMO and Head of R&D
McKee Charlottecik:0002046433
Issuer
Sionna Therapeutics, Inc.cik:0002036042
Revision history · 0
No field has changed since this record was first ingested.
