Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001104659-25-061313
Filing Date
2025-06-23
Accepted
2025-06-23 06:07:24
Documents
6

Document Format Files

Seq Description Document Type Size
1 425 tm2518511d1_8k.htm 425 52667
2 EXHIBIT 2.1 tm2518511d1_ex2-1.htm EX-2.1 649074
3 EXHIBIT 10.1 tm2518511d1_ex10-1.htm EX-10.1 139195
4 EXHIBIT 99.1 tm2518511d1_ex99-1.htm EX-99.1 19630
5 GRAPHIC tm2518511d1_ex99-1img01.jpg GRAPHIC 14405
6 GRAPHIC tm2518511d1_ex99-1img02.jpg GRAPHIC 14619
  Complete submission text file 0001104659-25-061313.txt   903142
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. (Filed by) CIK: 0000727510 (see all company filings)

EIN.: 222372868 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 425
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)

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. (Subject) CIK: 0000727510 (see all company filings)

EIN.: 222372868 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 425 | Act: 34 | File No.: 000-12957 | Film No.: 251062867
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)