DL
Insider
Dennis J. Langwell
DirectorDennis J. Langwell (Director) filed 2 Form 4 reports in the past 24 months (2 purchases, 0 sales), most often in Safety Insurance Group, Inc. (SAFT). Across 2 priced purchase filings, the average 21-session return was +0.8% from execution and +0.8% from disclosure (delay-adjusted; derived). The largest single filing was $145K of SAFT (2,000 sh × $72.39, as filed), executed Sep 5 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+0.8%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+0.8%
same 2 filings, from disclosure
Filings, ttm
2
2 buys · 0 sells
Median delay
0d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$288K
shares × price, as filed
Last traded
Sep 5 2025
Filed Sep 5 2025
Median ADV $22.0M across their filed names
Open performance→Volume by month
Buys $288K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Financial Services
2 filings
Sector per market data · by filing · past 24 months
Most traded names
SAFTRecent filings
SAFTPURCHASE
Safety Insurance Group, Inc.
View filing →
$145K2,000 sh × $72.39
Exec Sep 5 2025
Filed Sep 5 2025 · 8:11 PM ET SAFTPURCHASE Safety Insurance Group, Inc. View filing → $143K
2,000 sh × $71.49
Exec Aug 11 2025
Filed Aug 11 2025 · 1:43 PM ET