Who
Stephen Jay Sills
CEO and President
Company insider
Files Form 4 as: CEO and President, Bowhead Specialty Holdings; President and CEO, Darwin Professional Underwriters.
In numbers
- Trades disclosed
- 76
- Buys
- 2
- Sells
- 0
- Bought
- $2.0M
- Sold
- $0
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 19 May 2006
- Last trade
- 22 May 2026
- Last filed
- 27 May 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 22 May 2026filed 27 May 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code F | $371K13,053 at $28.46 | filing |
| 22 May 2026filed 27 May 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code F | $371K13,053 at $28.46 | filing |
| 22 May 2026filed 26 May 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code F | $693K24,353 at $28.46 | filing |
| 22 May 2026filed 26 May 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code F | $693K24,353 at $28.46 | filing |
| 13 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —120,000 at $0.00 | filing |
| 13 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —120,000 at $0.00 | filing |
| 13 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —120,000 at $0.00 | filing |
| 13 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —120,000 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —7,700 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —7,700 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
| 12 Mar 2026filed 13 Mar 2026 | BOW Bowhead Specialty HoldingsInsurance | SEC FORM 4 Code G | —1,540 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.