Langwell Dennis J.

Track

Insider profile

Performance

Overall performance
3.3
Performance over holding periods
3.3
30 days 90 days 120 days
Average return 0% 8.2% 15.1%
Success rate 59% 68% 82%
Transactions
3 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Langwell Dennis J.'s trades of Safety Insurance Group Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-09-05 2025-09-05
B Purchase
19,865 +27.7%
370.89
US$3,673,112 		19,865 +27.7% 370.89 US$3,673,112
2025-08-11 2025-08-11
B Purchase
46,303 +10.2%
413.94
US$363,524 		46,303 +10.2% 413.94 US$363,524
2023-08-21 2023-08-21
B Purchase
30,386 +48.6%
105.80
US$4,432,800 		30,386 +48.6% 105.80 US$4,432,800