XFOR

X4 Pharmaceuticals, Inc

Biological Products, (No Diagnostic Substances)NasdaqNon-accelerated filer<br>Smaller reporting company

Total Trades

Buys

Sells

Largest Trade

N/A

Insiders

Institutional Funds

Inst. Value

$1M+

Activist Filings

Insider Trades

Insider	Title	Type	Value	Shares	Price	Date
Craig Adam R	Executive Chairman	BUY	$100K–$500K	86K	$2.90	Oct 27, 2025
Baldry Mark	Chief Commercial O…	BUY	$1K–$15K	1K	$2.48	May 20, 2025
Ragan Paula	President and CEO	GRANT	N/A	170K	—	Jan 27, 2025
Ragan Paula	President and CEO	SELL	$15K–$50K	76K	$0.45	Jan 27, 2025
Mostafa Adam S.	CFO	GRANT	N/A	75K	—	Jan 27, 2025
Mostafa Adam S.	CFO	SELL	$15K–$50K	75K	$0.45	Jan 27, 2025
Baldry Mark	Chief Commercial O…	SELL	$1K–$15K	29K	$0.45	Jan 27, 2025
Baldry Mark	Chief Commercial O…	GRANT	N/A	75K	—	Jan 27, 2025
DiBiase Mary	COO	GRANT	N/A	61K	—	Jan 27, 2025
DiBiase Mary	COO	SELL	$1K–$15K	22K	$0.45	Jan 27, 2025
Arbet-Engels Christophe	Chief Medical Offi…	GRANT	N/A	26K	—	Jan 27, 2025
Arbet-Engels Christophe	Chief Medical Offi…	SELL	$1K–$15K	12K	$0.45	Jan 27, 2025
Ragan Paula	President and CEO	SELL	$1K–$15K	32K	$0.39	Nov 19, 2024
Ragan Paula	President and CEO	SELL	$15K–$50K	32K	$0.56	Oct 16, 2024
Mostafa Adam S.	CFO	GRANT	N/A	231K	—	Oct 8, 2024
Mostafa Adam S.	CFO	SELL	$100K–$500K	231K	$0.55	Oct 8, 2024
Baldry Mark	Chief Commercial O…	SELL	$1K–$15K	11K	$0.58	Oct 8, 2024
Baldry Mark	Chief Commercial O…	GRANT	N/A	35K	—	Oct 8, 2024
Ragan Paula	President and CEO	GRANT	N/A	532K	—	Oct 8, 2024
Ragan Paula	President and CEO	SELL	$100K–$500K	239K	$0.55	Oct 8, 2024
DiBiase Mary	COO	GRANT	N/A	231K	—	Oct 8, 2024
DiBiase Mary	COO	SELL	$15K–$50K	68K	$0.57	Oct 8, 2024
Taveras Arthur	Chief Scientific O…	SELL	$15K–$50K	77K	$0.56	Oct 8, 2024
Taveras Arthur	Chief Scientific O…	GRANT	N/A	231K	—	Oct 8, 2024
DiBiase Mary	COO	SELL	$1K–$15K	4K	$1.01	Feb 12, 2024
Taveras Arthur	Chief Scientific O…	SELL	<$1K	787	$1.01	Feb 12, 2024
Ragan Paula	President and CEO	SELL	$15K–$50K	22K	$1.01	Feb 12, 2024
Mostafa Adam S.	CFO	SELL	$15K–$50K	28K	$1.01	Feb 12, 2024
Ragan Paula	President and CEO	SELL	$100K–$500K	239K	$0.76	Nov 3, 2023
Mostafa Adam S.	CFO	SELL	$100K–$500K	231K	$0.73	Nov 3, 2023
DiBiase Mary	COO	SELL	$15K–$50K	68K	$0.73	Nov 3, 2023
Baldry Mark	Chief Commercial O…	SELL	$1K–$15K	10K	$0.73	Nov 3, 2023
Taveras Arthur	Chief Scientific O…	SELL	$15K–$50K	68K	$0.73	Nov 3, 2023
DiBiase Mary	COO	SELL	$1K–$15K	3K	$1.25	Sep 12, 2023
WYZGA MICHAEL S	Director	BUY	$15K–$50K	25K	$1.20	Aug 22, 2023
Stewart Murray	Interim Chief Medi…	GRANT	N/A	270K	—	Aug 11, 2023
Stewart Murray	Interim Chief Medi…	SELL	$100K–$500K	130K	$1.06	Aug 11, 2023
DiBiase Mary	COO	SELL	<$1K	464	$1.89	Jul 5, 2023
Mostafa Adam S.	CFO	SELL	$1K–$15K	3K	$1.89	Jul 5, 2023
DiBiase Mary	COO	SELL	$1K–$15K	857	$1.93	Jun 26, 2023
Mostafa Adam S.	CFO	SELL	$1K–$15K	5K	$1.93	Jun 26, 2023
Ragan Paula	President and CEO	SELL	$1K–$15K	7K	$1.92	Jun 26, 2023
DiBiase Mary	COO	SELL	$1K–$15K	857	$2.23	Jun 16, 2023
Mostafa Adam S.	CFO	SELL	$1K–$15K	5K	$2.22	Jun 16, 2023
Ragan Paula	President and CEO	SELL	$1K–$15K	7K	$2.23	Jun 16, 2023
Ragan Paula	President and CEO	SELL	$1K–$15K	6K	$1.95	May 31, 2023
DiBiase Mary	COO	SELL	$15K–$50K	18K	$0.84	Mar 13, 2023
Mostafa Adam S.	CFO	SELL	$15K–$50K	53K	$0.84	Mar 13, 2023
Taveras Arthur	Chief Scientific O…	SELL	$1K–$15K	17K	$0.84	Mar 13, 2023
Ragan Paula	President and CEO	SELL	$15K–$50K	50K	$0.84	Mar 13, 2023

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Institutional Ownership

13F filings as of Dec 31, 2025 · 56 funds holding

Fund	Shares	Value	Type
Empery Asset Management, LP	9.0M	$1M+	SH
MORGAN STANLEY	8.2M	$1M+	SH
Bain Capital Life Sciences Investors, LLC	8.0M	$1M+	SH
PERCEPTIVE ADVISORS LLC	6.3M	$1M+	SH
Deep Track Capital, LP	5.0M	$1M+	SH
Kalehua Capital Management LLC	3.7M	$1M+	SH
BRAIDWELL LP	3.4M	$1M+	SH
NEA Management Company, LLC	3.2M	$1M+	SH
VANGUARD GROUP INC	2.9M	$1M+	SH
Rosalind Advisors, Inc.	2.6M	$1M+	SH
Trails Edge Capital Partners, LP	2.6M	$1M+	SH
Nantahala Capital Management, LLC	2.4M	$1M+	SH
Samsara BioCapital, LLC	2.0M	$1M+	SH
Siren, L.L.C.	1.5M	$1M+	SH
GOLDMAN SACHS GROUP INC	832K	$1M+	SH
Point72 Asset Management, L.P.	808K	$1M+	SH
GEODE CAPITAL MANAGEMENT, LLC	797K	$1M+	SH
Stonepine Capital Management, LLC	594K	$1M+	SH
SILVERARC CAPITAL MANAGEMENT, LLC	357K	$1M+	SH
STATE STREET CORP	198K	$500K+	SH