Exhibit 99.1 X4 Pharmaceuticals Reports Second Quarter 2024 Financial Results and Provides Corporate Updates First U.S. commercial sales of XOLREMDI™ (mavorixafor) following April 2024 FDA approval Positive interim data from Phase 2 trial of mavorixafor in chronic neutropenia; full trial results expected in November 2024 Initiated global, pivotal Phase 3 trial of mavorixafor in chronic neutropenia Conference call to be hosted today at 8:30 a.m. ET BOSTON, August 8, 2024 – X4 Pharmaceuticals (Nasdaq: XFOR), ...

Timing The Knife Dr_Microbe X4 Pharmaceuticals is an intriguing healthcare company that is tackling rare diseases. X4's flagship pipeline drug is mavorixafor, an oral CXCR4 antagonist that is taking on WHIM Syndrome (Warts, Hypogammaglobulinemia, Infections, Myelokathexis), and is expected to combat chronic neutropenia, as well as other immunodeficiency disorders. X4 is using mavorixafor to take on rare diseases, which has enoouraged the FDA to grant a few of their special designations for the regulatory pa ...

X4 Pharmaceuticals Inc (NASDAQ:XFOR) Q1 2024 Results Conference Call May 7, 2024 8:30 AM ET Company Participants Dan Ferry - IR Paula Ragan - CEO Adam Mostafa - CFO Christophe Arbet-Engels - COO Mark Baldry - CMO Conference Call Participants Stephen Willey - Stifel Edward Tenthoff - Piper Sandler Kristen Kluska - Cantor Fitzgerald Swayampakula Ramakanth - H.C. Wainwright David Bautz - Zacks Small Cap Research Operator [Indiscernible] X4 Pharmaceuticals First Quarter 2024 Earnings Conference Call. At this ti ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or o ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38295 _________________________________________________________________________________________________________ X4 PHARMACEUTICALS, INC. ...

X4 Pharmaceuticals, Inc. (NASDAQ:XFOR) Q4 2023 Earnings Conference Call March 21, 2024 8:30 AM ET Company Participants Dan Ferry - LifeSci Advisors, IR Dr. Paula Ragan - Chief Executive Officer Adam Mostafa - Chief Financial Officer Mark Baldry - Chief Commercial Officer Dr. Christophe Arbet-Engels - Chief Medical Officer Mary DiBiase - Chief Operating Officer Art Taveras - Chief Scientific Officer Conference Call Participants Kristen Kluska - Cantor Fitzgerald Ed Tenthoff - Piper Sandler Sean Lee - H.C. Wa ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________________________________________________________________ FORM 10-Q _____________________________________________________________________________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the trans ...

X4 Pharmaceuticals, Inc. (NASDAQ:XFOR) Q3 2023 Earnings Conference Call November 9, 2023 8:30 AM ET Company Participants Dan Ferry – LifeSci Advisors Paula Ragan – Chief Executive Officer Mark Baldry – Chief Commercial Officer Christophe Arbet-Engels – Chief Medical Officer Adam Mostafa – Chief Financial Officer Conference Call Participants Eva Privitera – TD Cowen Stephen Willey – Stifel Edward Tenthoff – Piper Sandler Andy Fleszar – B. Riley Securities Kristen Kluska – Cantor Fitzgerald Swayampakula Rama ...

November 9, 2023 | --- | --- | --- | --- | --- | --- | |--------------------------------------------------|----------|-------|-------|-------|-------| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PROGRESS | PATIENTS | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Developing the first oral treatments for chronic | | | | | | | | | | | | | | neutropenic disorders | | | | | | | | | ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________________________________________________________________________ FORM 10-Q _____________________________________________________________________________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition ...

X4 Pharmaceuticals, Inc. (NASDAQ:XFOR) Q2 2023 Results Conference Call August 10, 2023 8:30 AM ET Company Participants Dan Ferry - LifeSci Advisors Paula Ragan - CEO Adam Mostafa - CFO Murray Stewart - Interim CMO Mark Baldry - CCO Conference Call Participants Stephen Willey - Stifel Kristen Kluska - Cantor Fitzgerald Ted Tenthoff - Piper Sandler Mark Brown - Cowen and Company Mayank Mamtani - B. Riley RK - H.C. Wainwright Trevor Allred - Oppenheimer Operator Greetings. Welcome to X4 Pharmaceuticals' Secon ...