MG
Insider
Michael B Gustafson
DirectorMichael B Gustafson (Director) filed 1 Form 4 report in the past 24 months (1 purchase, 0 sales), most often in PDF Solutions, Inc. (PDFS). Across 1 priced purchase filing, the average 21-session return was +4.1% from execution and +3.4% from disclosure (delay-adjusted; derived). The largest single filing was $146K of PDFS (7,500 sh × $19.45, as filed), executed May 13 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+4.1%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+3.4%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
1d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$146K
shares × price, as filed
Last traded
May 13 2025
Filed May 14 2025
Median ADV $28.7M across their filed names
Open performance→Volume by month
Buys $146K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
1 filing
Sector per market data · by filing · past 24 months
Most traded names
PDFSRecent filings
PDFSPURCHASE
PDF Solutions, Inc.
View filing →
$146K7,500 sh × $19.45
Exec May 13 2025
Filed May 14 2025 · 5:30 PM ET