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Who

Dennis J. Langwell

Director

Company insider

Files Form 4 as: Director, James River Group Holdings; Director, Safety Insurance Group.

In numbers

Trades disclosed
12
Buys
3
Sells
0
Bought
$357K
Sold
$0
Companies
2
Companies where not an officer
2
First trade
21 Aug 2023
Last trade
4 Mar 2026
Last filed
6 Mar 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
JRVR James River Group HoldingsDirector · Insurance · last 4 Mar 20260 buys · 0 sells
SAFT Safety Insurance GroupDirector · Insurance · last 25 Feb 20263 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
4 Mar 2026filed 6 Mar 2026JRVR James River Group HoldingsInsuranceSEC FORM 4 Code A—14,409 at $0.00filing
4 Mar 2026filed 6 Mar 2026JRVR James River Group HoldingsInsuranceSEC FORM 4 Code A—14,409 at $0.00filing
25 Feb 2026filed 2 Mar 2026SAFT Safety Insurance GroupInsuranceSEC FORM 4 Code A—1,083 at $0.00filing
25 Feb 2026filed 2 Mar 2026SAFT Safety Insurance GroupInsuranceSEC FORM 4 Code A—1,083 at $0.00filing
5 Sep 2025filed 5 Sep 2025SAFT Safety Insurance GroupInsuranceSEC FORM 4 Bought$145K2,000 at $72.39filing
11 Aug 2025filed 11 Aug 2025SAFT Safety Insurance GroupInsuranceSEC FORM 4 Bought$143K2,000 at $71.49filing
5 Mar 2025filed 7 Mar 2025JRVR James River Group HoldingsInsuranceSEC FORM 4 Code A—13,586 at $0.00filing
25 Feb 2025filed 28 Feb 2025SAFT Safety Insurance GroupInsuranceSEC FORM 4 Code A—1,000 at $0.00filing
1 Mar 2024filed 4 Mar 2024JRVR James River Group HoldingsInsuranceSEC FORM 4 Code A—5,102 at $0.00filing
27 Feb 2024filed 28 Feb 2024SAFT Safety Insurance GroupInsuranceSEC FORM 4 Code A—1,000 at $0.00filing
19 Dec 2023filed 21 Dec 2023JRVR James River Group HoldingsInsuranceSEC FORM 4 Code A—2,321 at $0.00filing
21 Aug 2023filed 21 Aug 2023SAFT Safety Insurance GroupInsuranceSEC FORM 4 Bought$69K1,000 at $68.90filing

News

Safety Insurance Group (NASDAQ:SAFT) Shares Cross Above Two Hundred Day Moving Average – Here's WhySAFT · tickerreport.com · 10 Oct 2026

0 headlines in the last 90 days name Dennis J. Langwell; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Financials3

Buys in green, sells in red, by the company’s sector.

Related people

Rajiv BasuDirector · Director at James River Group Holdings, filing Form 4 there in the last year
Todd Randell SutherlandPresident, E&S Lines Segment · President, E&S Lines Segment at James River Group Holdings, filing Form 4 there in the last year
SRB CORP10% owner · 10% owner at Safety Insurance Group, filing Form 4 there in the last year
Jeanette L. MillerSVP, Chief Legal Officer · SVP, Chief Legal Officer at James River Group Holdings, filing Form 4 there in the last year
Sarah C. DoranChief Financial Officer · Chief Financial Officer at James River Group Holdings, filing Form 4 there in the last year