X4 Pharmaceuticals, Inc. (XFOR)
Nasdaq: XFOR · Biological Products, (No Diagnostic Substances) · Boston, MA · filing with the SEC since 2010
Who runs X4 Pharmaceuticals, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedOfficers reporting now
4
of 8 people with a filing in the last fifteen months
Directors reporting now
4
36 people on the record since 2017
Officerssales are open-market, Oct 19, 2025 to Oct 19, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Craig Adam R | Executive Chairman | Aug 2025 | Oct 19, 2026 | 1 · $200,000 |
| Kirske David | Chief Financial Officer | Aug 2025 | Oct 5, 2026 | 3 · $100,000 |
| Volpone John | President | Aug 2025 | Aug 13, 2026 | 1 · $100,000 |
| Stewart Murray | Interim Chief Medical Officer | Apr 2019 | Jan 5, 2026 | none |
Directorssales are open-market, Oct 19, 2025 to Oct 19, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Gold Kelly | director | Jul 2026 | Jul 1, 2026 | none |
| Bridger Gary | director | Mar 2019 | Jan 7, 2026 | none |
| De Craecker Francoise | director | Oct 2021 | Jan 5, 2026 | none |
| Wyzga Michael S | director | Mar 2019 | Jan 5, 2026 | none |
Earlier names on the record48, newest filing first
Thoren Natasha Fay · officer · last filing Jul 2025Mcgirr David W J · director · last filing Jun 2025Woods Keith · director · last filing Jun 2025Baldry Mark · officer · last filing Jun 2025Ragan Paula · officer · last filing Feb 2025Mostafa Adam S. · officer · last filing Feb 2025Dibiase Mary · officer · last filing Feb 2025Arbet-Engels Christophe · officer · last filing Feb 2025Taveras Arthur · officer · last filing Oct 2024Aliski William · director · last filing Jun 2024Lawton Alison Frances · director · last filing Jun 2024Meisner Derek M · officer · last filing Aug 2022Cadavid Diego · officer · last filing Mar 2022Russo Rene · officer · last filing Jun 2021Skerlj Renato · officer · last filing Sep 2020Kelley Lynne E · officer · last filing Apr 2019Blech Isaac · director · last filing Apr 2019Gray Michael · officer · last filing Nov 2018Behbahani Ali · 10% owner · last filing Jul 2018Chang Carmen · 10% owner · last filing Jul 2018Clark William D · director · last filing Jun 2018Gerngross Tillman U. · director · last filing Jun 2018Gordon Carl L · director · last filing Jun 2018Mcguire Terrance · director · last filing Jun 2018Nessi Claudio · director · last filing Jun 2018Ross Michael Jay · director · last filing Jun 2018Schulman Amy W · director · last filing Jun 2018Mantus David · officer · last filing Mar 2018Nagy Eszter · officer · last filing Mar 2018Stevens Anthony Chris · officer · last filing Mar 2018Adams Jan · 10% owner · last filing Nov 2017Alexandria Venture Investments, LLC · 10% owner · last filing Nov 2017Alphabet Inc. · 10% owner · last filing Nov 2017Anna-Maria & Stephen Kellen Foundation, Inc. · 10% owner · last filing Nov 2017Barris Peter J · 10% owner · last filing Nov 2017Baskett Forest · 10% owner · last filing Nov 2017Bill & Melinda Gates Foundation · 10% owner · last filing Nov 2017Embl Technology Fund II Gmbh & Co. Kg · 10% owner · last filing Nov 2017Embl Ventures Verwaltungs Gmbh · 10% owner · last filing Nov 2017Flint Jonathan A · 10% owner · last filing Nov 2017Florence Anthony A. Jr. · 10% owner · last filing Nov 2017Gv 2016 Gp, L.L.C. · 10% owner · last filing Nov 2017Gv 2016 Gp, L.P. · 10% owner · last filing Nov 2017Gv 2016, L.P. · 10% owner · last filing Nov 2017Herr Stefan · 10% owner · last filing Nov 2017Isaly Samuel D · 10% owner · last filing Nov 2017Makhzoumi Mohamad · 10% owner · last filing Nov 2017Maris William J · 10% owner · last filing Nov 2017
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.