MT
Insider
Mark N. Tompkins
OtherMark N. Tompkins (Other) filed 14 Form 4 reports in the trailing twelve months (0 purchases, 14 sales, 4 filed past the two-business-day deadline), most often in Aeluma, Inc. (ALMU). The largest single filing was $2.3M of ALMU (129,631 sh across 4 lots, as filed), executed Oct 2 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
14
0 buys · 14 sells · 4 late
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$19.3M
shares × price, as filed
Last traded
Feb 4
Filed Feb 5
Median ADV $12.0M across their filed names
Open performance→Volume by month
Buys $0
Sells $19.3M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
14 filings
Sector per market data · by filing · past 12 months
Most traded names
ALMURecent filings
ALMUSALE
Aeluma, Inc.
View filing →
$1.3M64,190 sh across 4 lots
Exec Oct 15 2025
Filed Oct 17 2025 · 5:30 PM ET ALMUSALE Aeluma, Inc. View filing → $1.8M
102,473 sh across 3 lots
Exec Oct 10 2025
Filed Oct 14 2025 · 5:30 PM ET ALMUSALE Aeluma, Inc. View filing → $1.8M
104,808 sh across 4 lots
Exec Oct 7 2025
Filed Oct 9 2025 · 5:30 PM ET ALMUSALE Aeluma, Inc. View filing → $2.3M
129,631 sh across 4 lots
Exec Oct 2 2025
Filed Oct 6 2025 · 5:30 PM ET ALMUSALE Aeluma, Inc. View filing → $547K
33,800 sh × $16.18
Exec Sep 30 2025
Filed Oct 6 2025 · 5:30 PM ET † ALMUSALE Aeluma, Inc. View filing → $1.8M
107,262 sh across 4 lots
Exec Sep 29 2025
Filed Oct 2 2025 · 5:30 PM ET †