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: BillionToOne Inc., 1 year.
BillionToOne Inc.
Director
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 |
|---|---|---|---|---|---|
| Jun 10, 2026 | BillionToOne Inc. | Grant or award | +3,017 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Derivative conversion | +152,440 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Derivative conversion | +155,711 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Derivative conversion | +176,271 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Derivative conversion | +269,918 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Derivative conversion | +240,072 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Derivative conversion | +675,352 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Derivative conversion | +277,508 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Other | −8,333 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Other | −152,440 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Other | −155,711 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Other | −176,271 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Other | −269,918 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Other | −240,072 | — | — |
| Nov 7, 2025 | BillionToOne Inc. | Other | −675,352 | — | — |
Questions about Thomas S. Bremner
What boards is Thomas S. Bremner on?
Thomas S. Bremner sits on the board of BillionToOne Inc.
How long has Thomas S. Bremner served on boards?
Our records show at least 1 year of board service across 1 board, the earliest from 2025.
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