James Steiner
CFO and Secretary at Neptune Insurance Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 1 year
- Director since
- 2025
1 year of board service in total across 1 board, counting each seat separately. Longest: Neptune Insurance Holdings Inc., 11 months.
Neptune Insurance Holdings Inc.
Director · Chief Financial Officer
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 14, 2026 | Neptune Insurance Holdings Inc. | Other | −3,349,050 | — | — |
| Sep 14, 2026 | Neptune Insurance Holdings Inc. | Other | +3,349,050 | — | — |
| Sep 9, 2026 | Neptune Insurance Holdings Inc. | Other | −400,000 | — | — |
| Sep 9, 2026 | Neptune Insurance Holdings Inc. | Other | +400,000 | — | — |
| Aug 13, 2026 | Neptune Insurance Holdings Inc. | Open-market sale | −57,012 | $31.71 | $1,807,970 |
| Aug 12, 2026 | Neptune Insurance Holdings Inc. | Open-market sale | −42,988 | $31.08 | $1,335,874 |
| Oct 2, 2025 | Neptune Insurance Holdings Inc. | Open-market purchase | +119,050 | $20.00 | $2,381,000 |
| Oct 2, 2025 | Neptune Insurance Holdings Inc. | Other | −3,730,000 | — | — |
| Oct 2, 2025 | Neptune Insurance Holdings Inc. | Other | +3,730,000 | — | — |
| Oct 2, 2025 | Neptune Insurance Holdings Inc. | Grant or award | +535,665 | — | — |
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