Insider · CIK 0002091894
Jack Mallers
Files at XXI (Twenty One Capital, Inc.). First filing -, latest -.
In brief
Jack Mallers files SEC Form 4 as CEO and director at XXI (Twenty One Capital, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Jack Mallers has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 7 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 20, 2026 | XXI Twenty One Capital, Inc. | DDisposition to issuer Class A common stock | -80,393 | $5.23 | $420k | 226,860 | Jul 21, 2026 |
| Jul 20, 2026 | XXI Twenty One Capital, Inc. | DDisposition to issuer Class A common stock | -226,860 | $5.23 | $1.2M | 0 | Jul 21, 2026 |
| Apr 9, 2026 | XXI Twenty One Capital, Inc. | AGrant or award Class A common stock | +35,579 | $6.64 | $236k | 35,579 | Apr 13, 2026 |
| Apr 9, 2026 | XXI Twenty One Capital, Inc. | FTax withholding Class A common stock | -10,425 | $6.64 | $69k | 25,154 | Apr 13, 2026 |
| Apr 9, 2026 | XXI Twenty One Capital, Inc. | AGrant or award Class A common stock | +1,607,866 | $0.00 | $0 | 1,633,020 | Apr 13, 2026 |
| Apr 9, 2026 | XXI Twenty One Capital, Inc. | FTax withholding Class A common stock | -119,867 | $6.64 | $796k | 1,513,513 | Apr 13, 2026 |
| Dec 8, 2025 | XXI Twenty One Capital, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +6,089,634 | $0.00 | $0 | 6,089,634 | Jan 5, 2026 |
Questions about Jack Mallers
Answered from the filings on this page, as of the latest one.
Is Jack Mallers buying or selling?
Jack Mallers has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Jack Mallers's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Jack Mallers has 0.
Where does Jack Mallers file Form 4?
Jack Mallers has filed Form 4 at XXI (Twenty One Capital, Inc.) as See Remarks. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.