UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 9, 2018

ENZON PHARMACEUTICALS, INC.
(Exact name of registrant as specified in its charter)

(732) 980-4500
(Registrant’s telephone number, including area code)

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

The 2018 annual meeting of stockholders of Enzon Pharmaceuticals, Inc. (the “Company”) was held on August 9, 2018. At the 2018 annual meeting of stockholders, the Company’s stockholders voted on the following matters as described in the Company’s proxy materials: (1) the election of three directors, each for a one-year term expiring at the Company’s next annual meeting of stockholders and until such director’s successor is elected and qualified, (2) the ratification of the appointment of EisnerAmper LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2018 and (3) the approval, on an advisory basis, of the compensation of the Company’s named executive officers. A total of 36,439,678 shares of common stock were present or represented by proxy at the 2018 annual meeting of stockholders, representing approximately 82.4% of the total shares of common stock entitled to vote at the 2018 annual meeting of stockholders.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.