FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   COUCHMAN JONATHAN 2. Date of Event Requiring Statement (Month/Day/Year) 04/04/2018 3. Issuer Name and Ticker or Trading Symbol ENZON PHARMACEUTICALS, INC. [ENZN] (Last) (First) (Middle) 630 FIFTH AVENUE, SUITE 2260 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) __X__ Other (specify below) See Footnote 1 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEW YORK, NY 10020 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock, $0.01 par value (1) 3,577,664 D   Common Stock, $0.01 par value (1) 400,000 I By Couchman Family Fund (2) Common Stock, $0.01 par value (1) 714,500 I By Xstelos Corp. (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
COUCHMAN JONATHAN 630 FIFTH AVENUE SUITE 2260 NEW YORK, NY 10020	Â	  X	Â	See Footnote 1
Couchman Family Fund 630 FIFTH AVENUE SUITE 2260 NEW YORK, NY 10020	Â	Â	Â	See Footnote 1
Xstelos Corp. 1105 NORTH MARKET STREET SUITE 1300 WILMINGTON, DE 19801	Â	Â	Â	See Footnote 1

Signatures

/s/ Jonathan Couchman		04/13/2018
**Signature of Reporting Person		Date
Couchman Family Fund; By: /s/ Jonathan Couchman, Trustee		04/13/2018
**Signature of Reporting Person		Date
Xstelos Corp.; By: /s/ Jonathan Couchman, Chief Executive Officer		04/13/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This Form 3 is filed jointly by Jonathan Couchman ("Mr. Couchman"), Couchman Family Fund (the "Foundation") and Xstelos Corp. ("Xstelos" and, together with Mr. Couchman and the Foundation, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively owns more than 10% of the Issuer's outstanding shares of Common Stock (the "Shares"). Each of the Reporting Persons expressly disclaims beneficial ownership of the Shares reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such Shares for purposes of Section 16 or for any other purpose.
(2)	Represents Shares owned directly by the Foundation. Mr. Couchman is the sole trustee of the Foundation. By virtue of this relationship, Mr. Couchman may be deemed to beneficially own the Shares owned directly by the Foundation, however he has no pecuniary interest in such Shares.
(3)	Represents Shares owned directly by Xstelos. Mr. Couchman is the controlling shareholder and Chief Executive Officer of Xstelos. By virtue of these relationships, Mr. Couchman may be deemed to beneficially own the Shares owned directly by Xstelos. Mr. Couchman expressly disclaims beneficial ownership of such Shares except to the extent of his pecuniary interest therein.

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