Thomas Arthur Bell
CEO at Leidos Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Leidos Holdings Inc., 3 years.
Leidos Holdings Inc.
Director · CEO
Chief executive roles
Leidos Holdings Inc.
· CEO
Since April 2023
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 |
|---|---|---|---|---|---|
| May 5, 2026 | Leidos Holdings Inc. | Shares withheld for tax | −2,530 | $148.81 | $376,489 |
| Mar 8, 2026 | Leidos Holdings Inc. | Shares withheld for tax | −2,306 | $177.89 | $410,214 |
| Mar 7, 2026 | Leidos Holdings Inc. | Shares withheld for tax | −3,245 | $177.89 | $577,253 |
| Mar 6, 2026 | Leidos Holdings Inc. | Grant or award | +37,288 | — | — |
| Feb 12, 2026 | Leidos Holdings Inc. | Grant or award | +21,589 | — | — |
| Feb 12, 2026 | Leidos Holdings Inc. | Grant or award | +43,826 | — | — |
| Feb 12, 2026 | Leidos Holdings Inc. | Shares withheld for tax | −18,907 | $173.00 | $3,270,911 |
| May 5, 2025 | Leidos Holdings Inc. | Shares withheld for tax | −2,529 | $148.79 | $376,290 |
| Mar 8, 2025 | Leidos Holdings Inc. | Shares withheld for tax | −2,375 | $139.24 | $330,695 |
| Feb 6, 2025 | Leidos Holdings Inc. | Grant or award | +15,487 | — | — |
| Aug 1, 2024 | Leidos Holdings Inc. | Open-market purchase | +1,712 | $145.04 | $248,308 |
| May 7, 2024 | Leidos Holdings Inc. | Shares withheld for tax | −2,606 | $141.67 | $369,192 |
| Feb 8, 2024 | Leidos Holdings Inc. | Grant or award | +16,992 | — | — |
| May 22, 2023 | Leidos Holdings Inc. | Open-market purchase | +6,300 | $78.81 | $496,503 |
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