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X4 Pharmaceuticals, Inc (XFOR)

X4 Pharmaceuticals, Inc (XFOR) Insider Trading

Directors, officers and holders of more than 10% of XFOR report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 63 transactions on file: 4 with code P, 11 with code S and 35 with other codes.

DateInsiderCodeShares
Oct 16, 2026Craig Adam RP Purchase4,600
Oct 1, 2026KIRSKE DAVIDS Sale11,767
Aug 12, 2026Craig Adam RS Sale47,436
Aug 12, 2026Volpone JohnS Sale24,576
Jul 1, 2026Gold KellyA Award110,000
Jun 30, 2026KIRSKE DAVIDS Sale8,543
May 12, 2026KIRSKE DAVIDS Sale16,961
Jan 1, 2026Stewart MurrayA Award110,000
Jan 1, 2026de Craecker FrancoiseA Award110,000
Jan 1, 2026WYZGA MICHAEL SA Award110,000
Jan 1, 2026Bridger GaryA Award110,000
Oct 29, 2025KIRSKE DAVIDA Award1,552,769
Oct 29, 2025Volpone JohnA Award2,329,154
Oct 29, 2025Craig Adam RA Award2,329,154
Oct 23, 2025Craig Adam RP Purchase86,206
Aug 14, 2025Volpone JohnA Award529,201
Aug 14, 2025Volpone JohnA Award289,881
Aug 14, 2025KIRSKE DAVIDA Award352,800
Aug 14, 2025Craig Adam RA Award529,201
Aug 14, 2025Craig Adam RA Award289,881
Aug 14, 2025KIRSKE DAVIDA Award193,254
Aug 12, 2025Volpone JohnA Award1,609,873
Aug 12, 2025Craig Adam RA Award1,609,873
Aug 12, 2025KIRSKE DAVIDA Award1,073,249
Jun 9, 2025Woods KeithA Award1,500
Jun 9, 2025Stewart MurrayA Award1,500
Jun 9, 2025de Craecker FrancoiseA Award1,500
Jun 9, 2025Bridger GaryA Award1,500
Jun 9, 2025MCGIRR DAVID W JA Award1,500
Jun 9, 2025WYZGA MICHAEL SA Award1,500
May 20, 2025Thoren Natasha FayA Award3,333
May 16, 2025Baldry MarkA Award1,032
May 16, 2025Baldry MarkP Purchase1,032
Feb 12, 2025Mostafa Adam S.A Award28,333
Feb 12, 2025DiBiase MaryA Award21,667
Feb 12, 2025Baldry MarkA Award20,000
Feb 12, 2025Ragan PaulaA Award75,000
Feb 12, 2025Arbet-Engels ChristopheA Award28,333
Jan 24, 2025DiBiase MaryS Sale742
Jan 24, 2025Ragan PaulaS Sale2,549
Jan 24, 2025Mostafa Adam S.S Sale2,492
Jan 24, 2025Baldry MarkS Sale972
Jan 24, 2025Arbet-Engels ChristopheS Sale387
Jan 23, 2025Baldry MarkA Award2,492
Jan 23, 2025Mostafa Adam S.A Award2,492
Jan 23, 2025DiBiase MaryA Award2,039
Jan 23, 2025Ragan PaulaA Award5,665
Jan 23, 2025Arbet-Engels ChristopheA Award861
Nov 15, 2024Ragan PaulaS Sale1,063
Nov 15, 2024Baldry MarkP Purchase447

The full Form 4 history is on the XFOR company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.