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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001628280-22-006547
Filing Date
2022-03-17
Accepted
2022-03-17 16:14:42
Documents
105
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K xfor-20211231.htm   iXBRL 10-K 2414608
2 EX-10.19 ex1019.htm EX-10.19 88846
3 EX-10.20 ex1020.htm EX-10.20 80502
4 EX-10.21 ex1021.htm EX-10.21 83362
5 EX-10.22 ex1022.htm EX-10.22 86132
6 EX-10.23 ex1023.htm EX-10.23 84543
7 EX-21.1 ex_211xlistofsubsidiaries2.htm EX-21.1 5104
8 EX-23.1 ex-231pricewaterhousecoope.htm EX-23.1 2164
9 EX-31.1 ex-311q42021.htm EX-31.1 9356
10 EX-31.2 ex-312q42021.htm EX-31.2 9348
11 EX-32.1 ex-321q42021.htm EX-32.1 5554
17 image_0.jpg GRAPHIC 8000
18 xfor-20211231_g1.jpg GRAPHIC 64845
19 xfor-20211231_g2.jpg GRAPHIC 82859
  Complete submission text file 0001628280-22-006547.txt   11055845

Data Files

Seq Description Document Type Size
12 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT xfor-20211231.xsd EX-101.SCH 75226
13 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT xfor-20211231_cal.xml EX-101.CAL 78126
14 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT xfor-20211231_def.xml EX-101.DEF 357834
15 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT xfor-20211231_lab.xml EX-101.LAB 829850
16 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT xfor-20211231_pre.xml EX-101.PRE 604130
99 EXTRACTED XBRL INSTANCE DOCUMENT xfor-20211231_htm.xml XML 1525826
Mailing Address 61 NORTH BEACON STREET 4TH FLOOR BOSTON MA 02134
Business Address 61 NORTH BEACON STREET 4TH FLOOR BOSTON MA 02134 857-529-8300
X4 Pharmaceuticals, Inc (Filer) CIK: 0001501697 (see all company filings)

IRS No.: 273181608 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38295 | Film No.: 22748688
SIC: 2836 Biological Products, (No Diagnostic Substances)