GS
Insider
Gary A Shiffman
DirectorGary A Shiffman (Director) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Sun Communities, Inc. (SUI). The largest single filing was $19.4M of SUI (156,875 sh × $123.53, as filed), executed Dec 17 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
2
0 buys · 2 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$22.4M
shares × price, as filed
Last traded
Jun 24
Filed Jun 25
Median ADV $177.0M across their filed names
Open performance→Volume by month
Buys $0
Sells $22.4M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Real Estate
2 filings
Sector per market data · by filing · past 12 months
Most traded names
SUIRecent filings
SUISALE
Sun Communities, Inc.
View filing →
$3.0M25,031 sh × $119.96
Exec Jun 24
Filed Jun 25 · 5:30 PM ET SUISALE Sun Communities, Inc. View filing → $19.4M
156,875 sh × $123.53
Exec Dec 17 2025
Filed Dec 18 2025 · 5:30 PM ET