SP
Stuart D Porter (Director) filed 2 Form 4 reports in the trailing twelve months (2 purchases, 0 sales), most often in AirJoule Technologies Corporation (AIRJ). Across 2 priced purchase filings, the average 21-session return was +21.6% from execution and +20.2% from disclosure (delay-adjusted; derived). The largest single filing was $912K of AIRJ (310,950 sh across 2 lots, as filed), executed Dec 9 2025. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+21.6%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+20.2%
same 2 filings, from disclosure
Filings, ttm
2
2 buys · 0 sells
Median delay
3d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.4M
shares × price, as filed
Last traded
Jan 15
Filed Jan 20
Median ADV $4.1M across their filed names
Open performance→Volume by month
Buys $1.4M
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Industrials
2 filings
Sector per market data · by filing · past 12 months
Most traded names
AIRJRecent filings
AIRJPURCHASE
AirJoule Technologies Corporation
View filing →
$500K153,846 sh × $3.25
Exec Jan 15
Filed Jan 20 · 8:34 AM ET AIRJPURCHASE AirJoule Technologies Corporation View filing → $912K
310,950 sh across 2 lots
Exec Dec 9 2025
Filed Dec 10 2025 · 8:10 PM ET