Jack Mallers
Chief Executive Officer at Twenty One Capital Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 9 months
- Director since
- 2025
9 months of board service in total across 1 board, counting each seat separately. Longest: Twenty One Capital Inc., 9 months.
Twenty One Capital Inc.
Director · See Remarks
Chief executive roles
Twenty One Capital Inc.
· Chief Executive Officer
Since December 2025
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 |
|---|---|---|---|---|---|
| Jul 20, 2026 | Twenty One Capital Inc. | Sold back to the company | −80,393 | $5.23 | $420,455 |
| Jul 20, 2026 | Twenty One Capital Inc. | Sold back to the company | −226,860 | $5.23 | $1,186,478 |
| Apr 9, 2026 | Twenty One Capital Inc. | Grant or award | +35,579 | $6.64 | $236,245 |
| Apr 9, 2026 | Twenty One Capital Inc. | Shares withheld for tax | −10,425 | $6.64 | $69,222 |
| Apr 9, 2026 | Twenty One Capital Inc. | Grant or award | +1,607,866 | — | — |
| Apr 9, 2026 | Twenty One Capital Inc. | Shares withheld for tax | −119,867 | $6.64 | $795,917 |
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