Stephen Jay Sills serves as Executive at Darwin Professional Underwriters Inc, where they oversee executive responsibilities. Since joining the company, Stephen Jay Sills has executed 39 insider transactions totaling $2.0M, demonstrating a bullish approach to their equity position. Their most recent transaction on Nov 26, 2025 involved gifting 75,000 shares valued at $0.
Stephen Jay Sills currently holds 786,000 shares of Darwin Professional Underwriters Inc (DR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Stephen Jay Sills has been a net buyer of DR stock. They have purchased $2.0M and sold $0 worth of shares.
Stephen Jay Sills's most recent insider trade was on Nov 26, 2025, when they sold 75,000 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Aug 26, 2025 | BOW | $0 | Gift | 163,185 | $N/A | Discretionary |
| Aug 26, 2025 | BOW | $0 | Gift | 97,911 | $N/A | Discretionary |
| Aug 26, 2025 | BOW | $0 | Gift | 65,274 | $N/A | Discretionary |
| Aug 26, 2025 | BOW | $0 | Gift | 163,185 | $N/A | Discretionary |
| Aug 26, 2025 | BOW | $0 | Gift | 97,911 | $N/A | Discretionary |
| Aug 26, 2025 | BOW | $0 | Gift | 65,274 | $N/A | Discretionary |
| Jul 15, 2025 | BOW | $0 | Gift | 1,141 | $N/A | Discretionary |
| Jul 15, 2025 | BOW | $0 | Gift | 6,726 | $N/A | Discretionary |
| Jul 15, 2025 | BOW | $0 | Gift | 1,141 | $N/A | Discretionary |
| Jul 15, 2025 | BOW | $0 | Gift | 1,141 | $N/A | Discretionary |
| Jul 15, 2025 | BOW | $0 | Gift | 12,431 | $N/A | Discretionary |
| Jul 15, 2025 | BOW | $0 | Gift | 1,141 | $N/A | Discretionary |
| Jul 15, 2025 | BOW | $0 | Gift | 1,141 | $N/A | Discretionary |
| May 28, 2024 | BOW | $1.0M | Purchase | 58,824 | $17.00 | Discretionary |
| Oct 20, 2008 | DR | $13.4M | Disposition | 420,000 | $32.00 | Discretionary |
| Oct 20, 2008 | DR | $9.5M | Disposition | 295,404 | $32.00 | Discretionary |
| Oct 20, 2008 | DR | $240.2K | Disposition | 7,506 | $32.00 | Discretionary |
| Jun 19, 2008 | DR | $0 | Gift | 19,819 | $N/A | Discretionary |
| Jun 19, 2008 | DR | $0 | Other | 6,606 | $N/A | Discretionary |
| Jun 6, 2008 | DR | $0 | Other | 21,386 | $N/A | Discretionary |
| Jun 6, 2008 | DR | $0 | Other | 1,050 | $N/A | Discretionary |
| Jun 6, 2008 | DR | $0 | Other | 1,000 | $N/A | Discretionary |
| Jun 6, 2008 | DR | $0 | Other | 900 | $N/A | Discretionary |
| Jun 6, 2008 | DR | $0 | Other | 21,386 | $N/A | Discretionary |
| May 29, 2008 | DR | $0 | Other | 180,000 | $N/A | Discretionary |
| Feb 27, 2008 | DR | $176.4K | Award | 7,820 | $22.56 | Discretionary |
| Jul 30, 2007 | DR | $0 | Other | 240,000 | $N/A | Discretionary |
| Jul 30, 2007 | DR | $0 | Other | 240,000 | $N/A | Discretionary |