X4 Pharmaceuticals Inc

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X4 Pharmaceuticals Inc
CIK #0001632304, 0001501697
EDGAR Form CIK 2011 - 2026
10-K [0001501697]
10-Q [0001501697]
3 [0001501697]
4 [0001501697]
8-K [0001501697]
D [0001501697]
SC 13D [0001501697]
SC 13G [0001501697]
D [0001632304]
SC 13D [0001632304]
SC 13G [0001632304]
Form 13D/13G Filer Form 13D/13G Subject Filed
Saturn V Capital Management LP X4 Pharmaceuticals Inc [2026-02-17]
Morgan Stanley X4 Pharmaceuticals Inc [2026-02-12]
Nantahala Capital Management LLC X4 Pharmaceuticals Inc [2025-11-14]
FMR LLC X4 Pharmaceuticals Inc [2025-11-07]
Perceptive Advisors LLC X4 Pharmaceuticals Inc [2025-11-03]
Empery Asset Management LP X4 Pharmaceuticals Inc [2025-10-21]
Coastlands Capital LP X4 Pharmaceuticals Inc [2025-10-03]
Biotechnology Value Fund L P X4 Pharmaceuticals Inc [2025-08-20]
Deep Track Capital LP X4 Pharmaceuticals Inc [2025-08-19]
Coastlands Capital LP X4 Pharmaceuticals Inc [2025-08-18]
View All
Form 3/4/5 Subject 2011 - 2026
Gold Kelly
X4 Pharmaceuticals Inc
Kirske David
Bridger Gary
Wyzga Michael S
de Craecker Francoise
Stewart Murray
Volpone John
Craig Adam R
Thoren Natasha Fay
Woods Keith
McGirr David W J
Baldry Mark
Arbet-Engels Christophe
DiBiase Mary
Ragan Paula
Mostafa Adam S
Taveras Arthur
Lawton Alison Frances
Aliski William
Meisner Derek M
Cadavid Diego
Russo Rene
Skerlj Renato
Kelley Lynne E
Blech Isaac
Gray Michael
Behbahani Ali
Chang Carmen
Schulman Amy W
McGuire Terrance
Ross Michael Jay
Nessi Claudio
Gordon Carl L
Gerngross Tillman U
Clark William D
Nagy Eszter
Mantus David
Stevens Anthony Chris
Sakoda Jon
Barris Peter J
Baskett Forest
Florence Anthony A Jr
Makhzoumi Mohamad
Mott David M
Puttagunta Chetan
NEA Partners 16 LP
New Enterprise Associates 16 LP
NEA 16 GP LLC
Sandell Scott D
Sonsini Peter W
Viswanathan Ravi
EMBL Technology Fund II GmbH & Co KG
Muhlenbeck Frank
Herr Stefan
Adams Jan
EMBL Ventures Verwaltungs GmbH
NeoMed Innovation V LP
NeoMed Innovation V Ltd
NeoMed Management Jersey Ltd
Alphabet Inc
GV 2016 LP
GV 2016 GP LLC
GV 2016 GP LP
Anna-Maria & Stephen Kellen Foundation Inc
Maris William J
Section 32 GP 1 LLC
Section 32 Fund 1 LP
SV Life Sciences Fund V Strategic Partners LP
SV Life Sciences Fund V LP
SVLSF V LLC
SV Life Sciences Fund VI Strategic Partners LP
SV Life Sciences Fund VI LP
Isaly Samuel D
OrbiMed Advisors LLC
OrbiMed Capital GP IV LLC
Polaris Venture Partners V LP
Polaris Venture Partners Entrepreneurs' Fund V LP
Polaris Venture Management Co V LLC
Flint Jonathan A
Polaris Venture Partners Founders' Fund V LP
Polaris Venture Partners Special Founders' Fund V LP
Alexandria Venture Investments LLC
Bill & Melinda Gates Foundation
SVLSF VI LLC
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2026-01-01 Grant 110,000 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2026-01-01 Grant 110,000 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2026-01-01 Grant 110,000 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2026-01-01 Grant 110,000 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-10-29 Grant 1,552,769 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-10-29 Grant 2,329,154 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-10-29 Grant 2,329,154 $0.00
X4 Pharmaceuticals Inc XFOR
Common Stock
2025-10-23 Buy 86,206 $2.90 249,997
X4 Pharmaceuticals Inc XFOR
Common Stock
2025-08-14 Grant 289,881 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-08-14 Grant 352,800 $0.00
X4 Pharmaceuticals Inc XFOR
Common Stock
2025-08-14 Grant 289,881 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-08-14 Grant 529,201 $0.00
X4 Pharmaceuticals Inc XFOR
Common Stock
2025-08-14 Grant 193,254 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-08-14 Grant 529,201 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-08-12 Grant 1,609,873 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-08-12 Grant 1,609,873 $0.00
X4 Pharmaceuticals Inc XFOR
Stock Option (right to buy) · derivative
2025-08-12 Grant 1,073,249 $0.00
X4 Pharmaceuticals Inc XFOR
Common Stock
2025-06-09 Grant 1,500 $0.00
X4 Pharmaceuticals Inc XFOR
Common Stock
2025-06-09 Grant 1,500 $0.00
X4 Pharmaceuticals Inc XFOR
Common Stock
2025-06-09 Grant 1,500 $0.00
showing 20 of 200 most recent transactions
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