X4 Pharmaceuticals, Inc (XFOR)

Latest Insider Confidence Score

2026Q1

50.6
Bullish

Company insider confidence (by quarter)

2017Q4 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Ragan Paula CEO 3,337,386 Feb 14, 2025
Craig Adam R Chair 2,329,154 Oct 31, 2025
Volpone John 2,329,154 Oct 31, 2025
Chang Carmen 2,000,000 Jul 17, 2018
Behbahani Ali 2,000,000 Jul 17, 2018

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 1, 2026 Jan 7, 2026 Bridger Gary Director Neutral 52.5 - 0.00% -
Jan 1, 2026 Jan 5, 2026 de Craecker Francoise Director Neutral 52.5 - 0.00% -
Jan 1, 2026 Jan 5, 2026 WYZGA MICHAEL S Director Neutral 52.5 - 0.00% -
Jan 1, 2026 Jan 5, 2026 Stewart Murray Director Neutral 52.5 - 0.00% -
Oct 29, 2025 Oct 31, 2025 Craig Adam R Chair Neutral 52.5 - 0.00% -
Oct 29, 2025 Oct 31, 2025 Volpone John President Neutral 52.5 - 0.00% -
Oct 29, 2025 Oct 31, 2025 KIRSKE DAVID CFO Neutral 52.5 - 0.00% -
Oct 23, 2025 Oct 27, 2025 Craig Adam R Chair Buy 95.0 +86,206 29.74% $250K
Aug 14, 2025 Aug 14, 2025 Volpone John President Neutral 90.0 +289,881 100.00% -
Aug 14, 2025 Craig Adam R Chair Neutral 52.5 - 0.00% -
Aug 14, 2025 KIRSKE DAVID CFO Neutral 52.5 - 0.00% -
Aug 14, 2025 Aug 14, 2025 Craig Adam R Chair Neutral 90.0 +289,881 100.00% -
Aug 14, 2025 Aug 14, 2025 KIRSKE DAVID CFO Neutral 90.0 +193,254 100.00% -
Aug 14, 2025 Volpone John President Neutral 52.5 - 0.00% -
May 20, 2025 Jul 3, 2025 Thoren Natasha Fay Chief Legal Officer Neutral 90.0 +3,333 54.38% -
Jun 9, 2025 Jun 10, 2025 Stewart Murray Director Neutral 90.0 +1,500 23.50% -
Jun 9, 2025 Jun 10, 2025 de Craecker Francoise Director Neutral 90.0 +1,500 46.55% -
Jun 9, 2025 Jun 10, 2025 Bridger Gary Director Neutral 90.0 +1,500 46.55% -
Jun 9, 2025 Jun 10, 2025 Woods Keith Director Neutral 90.0 +1,500 33.33% -
Jun 9, 2025 Jun 10, 2025 MCGIRR DAVID W J Director Neutral 90.0 +1,500 46.55% -
Jun 9, 2025 Jun 10, 2025 WYZGA MICHAEL S Director Neutral 90.0 +1,500 36.99% -
Jun 3, 2025 Thoren Natasha Fay Chief Legal Officer Neutral 52.5 - 0.00% -
May 16, 2025 Jun 3, 2025 Baldry Mark Chief Commercial Officer Neutral 82.5 +1,032 4.25% -
May 16, 2025 May 20, 2025 Baldry Mark Chief Commercial Officer Buy 82.5 +1,032 4.25% $2.6K
Feb 12, 2025 Feb 14, 2025 Arbet-Engels Christophe Chief Medical Officer Neutral 90.0 +850,000 5982.97% -
Feb 12, 2025 Feb 14, 2025 Mostafa Adam S. CFO Neutral 90.0 +850,000 100.00% -
Feb 12, 2025 Feb 14, 2025 Ragan Paula CEO Neutral 90.0 +2,250,000 206.92% -
May 17, 2024 Feb 14, 2025 Baldry Mark Chief Commercial Officer Buy 91.3 +635,050 674.70% $19.3K
Feb 12, 2025 Feb 14, 2025 DiBiase Mary COO Neutral 90.0 +650,000 132.39% -
Jan 23, 2025 Jan 27, 2025 Ragan Paula CEO Sell 86.3 +93,467 9.40% $34.7K
Jan 23, 2025 Jan 27, 2025 Mostafa Adam S. CFO Sell 57.5 - 0.00% $33.9K
Jan 23, 2025 Jan 27, 2025 Baldry Mark Chief Commercial Officer Sell 91.3 +45,614 94.03% $13.2K
Jan 23, 2025 Jan 27, 2025 DiBiase Mary COO Sell 86.3 +38,920 8.61% $10.1K
Jan 23, 2025 Jan 27, 2025 Arbet-Engels Christophe Chief Medical Officer Sell 90.0 +14,207 100.00% $5.3K
Nov 15, 2024 Nov 19, 2024 Ragan Paula CEO Sell 41.3 -31,897 -3.11% $12.6K
Oct 15, 2024 Oct 16, 2024 Ragan Paula CEO Sell 41.3 -31,897 -3.02% $17.9K
Oct 4, 2024 Oct 8, 2024 Mostafa Adam S. CFO Sell 53.8 - 0.00% $126.9K
Oct 4, 2024 Oct 8, 2024 Baldry Mark Chief Commercial Officer Sell 90.0 +23,819 96.47% $6.5K
Oct 4, 2024 Oct 8, 2024 Ragan Paula CEO Sell 95.0 +292,645 38.25% $131.5K
Oct 4, 2024 Oct 8, 2024 DiBiase Mary COO Sell 91.3 +162,950 56.36% $38.3K
Oct 4, 2024 Oct 8, 2024 Taveras Arthur Chief Scientific Officer Sell 91.3 +153,725 65.61% $43.3K
Sep 9, 2024 Sep 11, 2024 DiBiase Mary COO Sell 52.5 -2,642 -0.91% $1.7K
Jun 10, 2024 Jun 11, 2024 de Craecker Francoise Director Neutral 90.0 +45,000 87.10% -
Jun 10, 2024 Jun 11, 2024 Aliski William Director Neutral 90.0 +45,000 87.10% -
Jun 10, 2024 Jun 11, 2024 MCGIRR DAVID W J Director Neutral 90.0 +45,000 87.10% -
Jun 10, 2024 Jun 11, 2024 Stewart Murray Director Neutral 90.0 +45,000 30.72% -
Jun 10, 2024 Jun 11, 2024 Bridger Gary Director Neutral 90.0 +45,000 87.10% -
Jun 10, 2024 Jun 11, 2024 Woods Keith Director Neutral 90.0 +45,000 50.00% -
Jun 10, 2024 Jun 11, 2024 Lawton Alison Frances Director Neutral 90.0 +45,000 87.10% -
Jun 10, 2024 Jun 11, 2024 WYZGA MICHAEL S Director Neutral 90.0 +45,000 58.70% -
Mar 11, 2024 Mar 11, 2024 Taveras Arthur Chief Scientific Officer Sell 36.3 -14,235 -5.73% $12.6K
Mar 11, 2024 Mar 11, 2024 Ragan Paula CEO Sell 36.3 -49,678 -6.10% $43.9K
Mar 11, 2024 Mar 11, 2024 Mostafa Adam S. CFO Sell 13.8 -52,500 -100.00% $46.3K
Mar 11, 2024 Mar 11, 2024 DiBiase Mary COO Sell 36.3 -15,409 -5.02% $13.6K
Feb 13, 2024 Feb 28, 2024 Arbet-Engels Christophe Chief Medical Officer Neutral 52.5 - 0.00% -
Feb 13, 2024 Feb 16, 2024 Arbet-Engels Christophe Chief Medical Officer Neutral 52.5 - 0.00% -
Feb 13, 2024 Feb 16, 2024 Mostafa Adam S. CFO Neutral 52.5 - 0.00% -
Feb 13, 2024 Feb 16, 2024 DiBiase Mary COO Neutral 52.5 - 0.00% -
Feb 13, 2024 Feb 16, 2024 Ragan Paula CEO Neutral 52.5 - 0.00% -
Feb 13, 2024 Feb 16, 2024 Baldry Mark Chief Commercial Officer Neutral 52.5 - 0.00% -
Feb 13, 2024 Feb 16, 2024 Taveras Arthur Chief Scientific Officer Neutral 52.5 - 0.00% -
Feb 12, 2024 Feb 12, 2024 DiBiase Mary COO Sell 50.0 -3,683 -1.18% $3.7K
Feb 12, 2024 Feb 12, 2024 Taveras Arthur Chief Scientific Officer Sell 53.8 -787 -0.32% $792.7
Feb 12, 2024 Feb 12, 2024 Ragan Paula CEO Sell 45.0 -21,695 -2.59% $21.9K
Feb 12, 2024 Feb 12, 2024 Mostafa Adam S. CFO Sell 13.8 -27,721 -34.56% $28K
Nov 1, 2023 Nov 3, 2023 Ragan Paula CEO Sell 15.0 -239,437 -22.26% $181.6K
Nov 1, 2023 Nov 3, 2023 Mostafa Adam S. CFO Sell 10.0 -230,645 -74.19% $168.4K
Nov 1, 2023 Nov 3, 2023 DiBiase Mary COO Sell 23.8 -67,695 -17.88% $49.4K
Nov 1, 2023 Nov 3, 2023 Baldry Mark Chief Commercial Officer Sell 15.0 -10,257 -29.35% $7.5K
Nov 1, 2023 Nov 3, 2023 Taveras Arthur Chief Scientific Officer Sell 18.8 -67,695 -21.35% $49.4K
Oct 31, 2023 Nov 2, 2023 Mostafa Adam S. CFO Neutral 90.0 +230,645 287.51% -
Oct 31, 2023 Nov 2, 2023 Baldry Mark Chief Commercial Officer Neutral 90.0 +34,947 100.00% -
Oct 31, 2023 Nov 2, 2023 Taveras Arthur Chief Scientific Officer Neutral 90.0 +230,645 267.03% -
Oct 31, 2023 Nov 2, 2023 Ragan Paula CEO Neutral 90.0 +532,081 97.85% -
Oct 31, 2023 Nov 2, 2023 DiBiase Mary COO Neutral 90.0 +230,645 155.95% -
Oct 16, 2023 Oct 18, 2023 Woods Keith Director Neutral 90.0 +90,000 100.00% -
Oct 18, 2023 Woods Keith Director Neutral 52.5 - 0.00% -
Sep 8, 2023 Sep 12, 2023 DiBiase Mary COO Sell 50.0 -2,642 -1.76% $3.3K
Aug 31, 2023 Sep 5, 2023 Arbet-Engels Christophe Chief Medical Officer Neutral 52.5 - 0.00% -
Aug 18, 2023 Aug 22, 2023 WYZGA MICHAEL S Director Buy 91.3 +25,000 48.39% $29.9K
Aug 16, 2023 Arbet-Engels Christophe Chief Medical Officer Neutral 52.5 - 0.00% -
Aug 9, 2023 Aug 11, 2023 Stewart Murray Interim Chief Medical Officer Sell 95.0 +139,837 2097.45% $137.9K
Jun 30, 2023 Jul 5, 2023 DiBiase Mary COO Sell 53.8 -464 -0.31% $877
Jun 30, 2023 Jul 5, 2023 Mostafa Adam S. CFO Sell 42.5 -2,641 -3.19% $5K
Jun 23, 2023 Jun 26, 2023 DiBiase Mary COO Sell 52.5 -857 -0.56% $1.7K
Jun 23, 2023 Jun 26, 2023 Mostafa Adam S. CFO Sell 36.3 -5,417 -6.14% $10.5K
Jun 23, 2023 Jun 26, 2023 Ragan Paula CEO Sell 48.8 -6,724 -1.22% $12.9K
Jun 15, 2023 Jun 16, 2023 DiBiase Mary COO Sell 52.5 -857 -0.56% $1.9K
Jun 15, 2023 Jun 16, 2023 Mostafa Adam S. CFO Sell 36.3 -5,417 -5.78% $12K
Jun 15, 2023 Jun 16, 2023 Ragan Paula CEO Sell 48.8 -6,724 -1.21% $15K
Jun 13, 2023 Jun 14, 2023 Aliski William Director Neutral 90.0 +45,000 674.97% -
Jun 13, 2023 Jun 14, 2023 Bridger Gary Director Neutral 90.0 +45,000 674.97% -
Jun 13, 2023 Jun 14, 2023 MCGIRR DAVID W J Director Neutral 90.0 +45,000 674.97% -
Jun 13, 2023 Jun 14, 2023 WYZGA MICHAEL S Director Neutral 90.0 +45,000 674.97% -
Jun 13, 2023 Jun 14, 2023 de Craecker Francoise Director Neutral 90.0 +45,000 674.97% -
Jun 13, 2023 Jun 14, 2023 Lawton Alison Frances Director Neutral 90.0 +45,000 674.97% -
May 31, 2023 May 31, 2023 Ragan Paula CEO Sell 48.8 -6,292 -1.12% $12.3K
Mar 10, 2023 Mar 13, 2023 DiBiase Mary COO Sell 28.8 -18,192 -10.64% $15.3K
Mar 10, 2023 Mar 13, 2023 Mostafa Adam S. CFO Sell 13.8 -52,500 -35.91% $44.1K
Mar 10, 2023 Mar 13, 2023 Taveras Arthur Chief Scientific Officer Sell 23.8 -16,806 -16.29% $14.1K