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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001410578-22-000226
Filing Date
2022-02-25
Accepted
2022-02-25 16:32:40
Documents
64
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K enzn-20211231x10k.htm   iXBRL 10-K 850451
2 EX-3.5 enzn-20211231xex3d5.htm EX-3.5 34186
3 EX-4.1 enzn-20211231xex4d1.htm EX-4.1 45050
4 EX-10.7 enzn-20211231xex10d7.htm EX-10.7 4277
5 EX-21.1 enzn-20211231xex21d1.htm EX-21.1 2792
6 EX-23.1 enzn-20211231xex23d1.htm EX-23.1 4299
7 EX-31.1 enzn-20211231xex31d1.htm EX-31.1 14371
8 EX-32.1 enzn-20211231xex32d1.htm EX-32.1 6490
  Complete submission text file 0001410578-22-000226.txt   4001729

Data Files

Seq Description Document Type Size
9 EX-101.SCH enzn-20211231.xsd EX-101.SCH 36664
10 EX-101.CAL enzn-20211231_cal.xml EX-101.CAL 28744
11 EX-101.DEF enzn-20211231_def.xml EX-101.DEF 129485
12 EX-101.LAB enzn-20211231_lab.xml EX-101.LAB 245536
13 EX-101.PRE enzn-20211231_pre.xml EX-101.PRE 229941
58 EXTRACTED XBRL INSTANCE DOCUMENT enzn-20211231x10k_htm.xml XML 522803
Mailing Address 20 COMMERCE DRIVE, SUITE 135 CRANFORD NJ 07016
Business Address 20 COMMERCE DRIVE, SUITE 135 CRANFORD NJ 07016 732-980-4500
ENZON PHARMACEUTICALS, INC. (Filer) CIK: 0000727510 (see all company filings)

IRS No.: 222372868 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-12957 | Film No.: 22680692
SIC: 2836 Biological Products, (No Diagnostic Substances)