Dennis J. Langwell

Dennis J. Langwell is a declared insider at 2 companies; the most frequent names are Safety Insurance Group Inc and James River Group Holdings, Ltd. We count 10 filings; the first trade dates from 21 August 2023 and the latest from 4 March 2026.

Purchases make up the whole of the open-market record (3 purchases, €310k). Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Outside the open market, there are 7 share grants.

The median purchase comes to €123k. Across 3 purchases, this insider has always bought alone, with no colleague buying within 30 days. After 3 purchases with a full 90-day history, the hit rate stands at 100% and the median 90-day move at +5.1%. These figures describe past trades and do not predict future prices.

The latest filing, published on 6 March 2026, reports a share grant in James River Group Holdings, Ltd. The latest purchase dates back some time: it was published 414 days ago, on 5 September 2025. Typically, a trade is published a median of 2 days after it takes place. Section 16 rules allow two business days to file each Form 4. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.