PT
Peter A. Thompson (Director) filed 9 Form 4 reports in the trailing twelve months (1 purchase, 8 sales), most often in Sionna Therapeutics, Inc. (SION). The largest single filing was $22.9M of SION (510,583 sh across 3 lots, as filed), executed Apr 14. The median gap between execution and disclosure was 2 days. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
purchases not yet priced
Delay-adjustediThe same average, entered at disclosure dates
–
purchases not yet priced
Filings, ttm
9
1 buys · 8 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$65.7M
shares × price, as filed
Last traded
Nov 2
Filed Nov 4
Median ADV $10.0M across their filed names
100% of their measured filings could not be priced (delisted or unquoted names). The returns above cover only what still trades.
Open performance→Volume by month
Buys $34.9M
Sells $60.3M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
9 filings
Sector per market data · by filing · past 12 months
Most traded names
SIONRecent filings
ASPEPURCHASE
Aspen Neuroscience, Inc.
View filing →
$15.0M1,000,000 sh × $15.00
Exec Nov 2
Filed Nov 4 · 6:47 PM ET SIONSALE Sionna Therapeutics, Inc. View filing → $3.9M
85,918 sh × $44.86
Exec Jul 7
Filed Jul 9 · 4:47 PM ET SIONSALE Sionna Therapeutics, Inc. View filing → $5.3M
115,844 sh × $45.50
Exec Jun 30
Filed Jul 2 · 4:45 PM ET SIONSALE Sionna Therapeutics, Inc. View filing → $13.4M
292,952 sh across 3 lots
Exec May 7
Filed May 11 · 5:30 PM ET SIONSALE Sionna Therapeutics, Inc. View filing → $2.5M
55,345 sh across 2 lots
Exec Apr 17
Filed Apr 21 · 5:30 PM ET SIONSALE Sionna Therapeutics, Inc. View filing → $22.9M
510,583 sh across 3 lots
Exec Apr 14
Filed Apr 16 · 5:30 PM ET SIONSALE Sionna Therapeutics, Inc. View filing → $1.3M
29,063 sh × $44.58
Exec Feb 3
Filed Feb 4 · 5:30 PM ET SIONSALE Sionna Therapeutics, Inc. View filing → $1.5M
33,356 sh × $44.55
Exec Dec 24 2025
Filed Dec 29 2025 · 5:30 PM ET More filings →