X4 Pharmaceuticals, Inc — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Craig Adam R | Executive Chairman | Purchase | 86,206 | $2.90 | $249,997 | 376,087 | Oct 23, 2025 |
| Volpone John | President | Award / Grant | 289,881 | — | — | 289,881 | Aug 14, 2025 |
| Craig Adam R | Executive Chairman | Award / Grant | 289,881 | — | — | 289,881 | Aug 14, 2025 |
| KIRSKE DAVID | Chief Financial Officer | Award / Grant | 193,254 | — | — | 193,254 | Aug 14, 2025 |
| Stewart Murray | — | Award / Grant | 1,500 | — | — | 7,883 | Jun 9, 2025 |
| de Craecker Francoise | — | Award / Grant | 1,500 | — | — | 4,722 | Jun 9, 2025 |
| Bridger Gary | — | Award / Grant | 1,500 | — | — | 4,722 | Jun 9, 2025 |
| Woods Keith | — | Award / Grant | 1,500 | — | — | 6,000 | Jun 9, 2025 |
| MCGIRR DAVID W J | — | Award / Grant | 1,500 | — | — | 4,722 | Jun 9, 2025 |
| WYZGA MICHAEL S | — | Award / Grant | 1,500 | — | — | 5,555 | Jun 9, 2025 |
| Thoren Natasha Fay | Chief Legal Officer | Award / Grant | 3,333 | — | — | 9,462 | May 20, 2025 |
| Baldry Mark | Chief Commercial Officer | Award / Grant | 1,032 | $2.48 | $2,559 | 25,337 | May 16, 2025 |
| Baldry Mark | Chief Commercial Officer | Purchase | 1,032 | $2.48 | $2,559 | 25,337 | May 16, 2025 |
| Arbet-Engels Christophe | Chief Medical Officer | Award / Grant | 850,000 | — | — | 864,207 | Feb 12, 2025 |
| Mostafa Adam S. | Chief Financial Officer | Award / Grant | 850,000 | — | — | 850,000 | Feb 12, 2025 |
| Ragan Paula | President and CEO | Award / Grant | 2,250,000 | — | — | 3,337,386 | Feb 12, 2025 |
| DiBiase Mary | Chief Operating Officer | Award / Grant | 650,000 | — | — | 1,140,980 | Feb 12, 2025 |
| Ragan Paula | President and CEO | Award / Grant | 169,940 | — | — | 1,163,859 | Jan 24, 2025 |
| Mostafa Adam S. | Chief Financial Officer | Award / Grant | 74,773 | — | — | 74,773 | Jan 24, 2025 |
| DiBiase Mary | Chief Operating Officer | Award / Grant | 61,178 | — | — | 513,238 | Jan 24, 2025 |
| Baldry Mark | Chief Commercial Officer | Sale | 29,159 | $0.45 | $13,122 | 94,123 | Jan 23, 2025 |
| Arbet-Engels Christophe | Chief Medical Officer | Sale | 11,624 | $0.45 | $5,231 | 14,207 | Jan 23, 2025 |
| Ragan Paula | President and CEO | Sale | 31,897 | $0.39 | $12,440 | 993,919 | Nov 15, 2024 |
| Ragan Paula | President and CEO | Sale | 31,897 | $0.56 | $17,862 | 1,025,816 | Oct 15, 2024 |
| Baldry Mark | Chief Commercial Officer | Award / Grant | 34,946 | — | — | 59,636 | Oct 7, 2024 |
| Taveras Arthur | Chief Scientific Officer | Award / Grant | 230,645 | — | — | 464,946 | Oct 7, 2024 |
| Mostafa Adam S. | Chief Financial Officer | Sale | 230,645 | $0.55 | $126,855 | — | Oct 4, 2024 |
| Ragan Paula | President and CEO | Sale | 239,436 | $0.55 | $131,690 | 1,057,713 | Oct 4, 2024 |
| DiBiase Mary | Chief Operating Officer | Sale | 67,695 | $0.57 | $38,586 | 452,060 | Oct 4, 2024 |
| DiBiase Mary | Chief Operating Officer | Sale | 2,642 | $0.66 | $1,744 | 289,110 | Sep 9, 2024 |
| de Craecker Francoise | — | Award / Grant | 45,000 | — | — | 96,667 | Jun 10, 2024 |
| Aliski William | — | Award / Grant | 45,000 | — | — | 96,667 | Jun 10, 2024 |
| MCGIRR DAVID W J | — | Award / Grant | 45,000 | — | — | 96,667 | Jun 10, 2024 |
| Stewart Murray | — | Award / Grant | 45,000 | — | — | 191,504 | Jun 10, 2024 |
| Bridger Gary | — | Award / Grant | 45,000 | — | — | 96,667 | Jun 10, 2024 |
| Woods Keith | — | Award / Grant | 45,000 | — | — | 135,000 | Jun 10, 2024 |
| Lawton Alison Frances | — | Award / Grant | 45,000 | — | — | 96,667 | Jun 10, 2024 |
| WYZGA MICHAEL S | — | Award / Grant | 45,000 | — | — | 121,667 | Jun 10, 2024 |
| Baldry Mark | Chief Commercial Officer | Award / Grant | 600,000 | — | — | 729,173 | May 17, 2024 |
| Taveras Arthur | Chief Scientific Officer | Sale | 14,235 | $0.88 | $12,527 | 234,301 | Mar 11, 2024 |
| Ragan Paula | President and CEO | Sale | 49,678 | $0.88 | $43,717 | 765,068 | Mar 11, 2024 |
| Mostafa Adam S. | Chief Financial Officer | Sale | 52,500 | $0.88 | $46,200 | — | Mar 11, 2024 |
| DiBiase Mary | Chief Operating Officer | Sale | 15,409 | $0.88 | $13,560 | 291,752 | Mar 11, 2024 |
| DiBiase Mary | Chief Operating Officer | Sale | 3,683 | $1.01 | $3,720 | 307,161 | Feb 12, 2024 |
| Taveras Arthur | Chief Scientific Officer | Sale | 787 | $1.01 | $795 | 248,536 | Feb 12, 2024 |
| Ragan Paula | President and CEO | Sale | 21,695 | $1.01 | $21,912 | 814,746 | Feb 12, 2024 |
| Mostafa Adam S. | Chief Financial Officer | Sale | 27,721 | $1.01 | $27,998 | 52,500 | Feb 12, 2024 |
| Ragan Paula | President and CEO | Sale | 199,531 | $0.73 | $145,658 | 876,347 | Nov 3, 2023 |
| Mostafa Adam S. | Chief Financial Officer | Sale | 230,645 | $0.73 | $168,371 | 80,221 | Nov 1, 2023 |
| DiBiase Mary | Chief Operating Officer | Sale | 67,695 | $0.73 | $49,417 | 310,844 | Nov 1, 2023 |