Who
David A. Brown
Director
Company insider
Files Form 4 as: Chairman of the Board, Hamilton Insurance Group; Director, Miami International Holdings; Chief Executive Officer, Flagstone Reinsurance Holdings.
In numbers
- Trades disclosed
- 48
- Buys
- 1
- Sells
- 3
- Bought
- $1.2M
- Sold
- $6.8M
- Companies
- 3
- Companies where not an officer
- 1
- First trade
- 30 Mar 2007
- Last trade
- 3 Sep 2026
- Last filed
- 8 Sep 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 | |
|---|---|---|---|---|
| 3 Sep 2026filed 8 Sep 2026 | HG Hamilton Insurance GroupInsurance | SEC FORM 4 Sold | $1.8M50,000 at $36.12 | filing |
| 3 Sep 2026filed 8 Sep 2026 | HG Hamilton Insurance GroupInsurance | SEC FORM 4 Sold | $1.8M50,000 at $36.12 | filing |
| 8 Jul 2026filed 9 Jul 2026 | MIAX Miami International HoldingsCapital Markets & Asset Management | SEC FORM 4 Code F | $7,476171 at $43.72 | filing |
| 8 Jul 2026filed 9 Jul 2026 | MIAX Miami International HoldingsCapital Markets & Asset Management | SEC FORM 4 Code F | $7,476171 at $43.72 | filing |
| 16 Jun 2026filed 17 Jun 2026 | MIAX Miami International HoldingsCapital Markets & Asset Management | SEC FORM 4 Code A | —4,970 at $0.00 | filing |
| 16 Jun 2026filed 17 Jun 2026 | MIAX Miami International Holdingsoption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —5,142 at $0.00 | filing |
| 16 Jun 2026filed 17 Jun 2026 | MIAX Miami International Holdingsoption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —5,142 at $0.00 | filing |
| 16 Jun 2026filed 17 Jun 2026 | MIAX Miami International HoldingsCapital Markets & Asset Management | SEC FORM 4 Code A | —4,970 at $0.00 | filing |
| 15 Jun 2026filed 17 Jun 2026 | MIAX Miami International HoldingsCapital Markets & Asset Management | SEC FORM 4 Code A | —2,267 at $0.00 | filing |
| 15 Jun 2026filed 17 Jun 2026 | MIAX Miami International HoldingsCapital Markets & Asset Management | SEC FORM 4 Code A | —2,267 at $0.00 | filing |
| 18 May 2026filed 20 May 2026 | HG Hamilton Insurance GroupInsurance | SEC FORM 4 Sold | $1.2M37,300 at $32.16 | filing |
| 18 May 2026filed 20 May 2026 | HG Hamilton Insurance GroupInsurance | SEC FORM 4 Sold | $1.2M37,300 at $32.16 | filing |
| 15 May 2026filed 19 May 2026 | HG Hamilton Insurance GroupInsurance | SEC FORM 4 Sold | $404K12,700 at $31.82 | filing |
| 15 May 2026filed 19 May 2026 | HG Hamilton Insurance GroupInsurance | SEC FORM 4 Sold | $404K12,700 at $31.82 | filing |
| 5 May 2026filed 7 May 2026 | HG Hamilton Insurance GroupInsurance | SEC FORM 4 Code A | —4,929 at $0.00 | filing |
| 5 May 2026filed 7 May 2026 | HG Hamilton Insurance GroupInsurance | SEC FORM 4 Code A | —4,929 at $0.00 | filing |
| 15 Aug 2025filed 19 Aug 2025 | MIAX Miami International Holdingsoption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code M | —18,750 at $0.00 | filing |
| 15 Aug 2025filed 19 Aug 2025 | MIAX Miami International Holdingsoption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code M | —18,750 at $0.00 | filing |
| 15 Aug 2025filed 19 Aug 2025 | MIAX Miami International Holdingsoption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code M | —7,500 at $0.00 | filing |
| 15 Aug 2025filed 19 Aug 2025 | MIAX Miami International Holdingsoption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code M | —7,500 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.