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Enzon Pharmaceuticals (NASDAQ: ENZN) extends Series C exchange offer to March 9

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
SC TO-I/A

Rhea-AI Filing Summary

Enzon Pharmaceuticals amended its Schedule TO to report results and extend its exchange offer for Series C Non-Convertible Redeemable Preferred Stock into common stock.

The company extended the offer expiration to one minute after 11:59 p.m., Eastern Time, on March 9, 2026. The depositary reported that 12 shares had been validly tendered and not withdrawn as of 5:00 p.m., Eastern Time, on February 26, 2026, representing less than 0.001% of the 40,000 shares outstanding as of that date.

Positive

  • None.

Negative

  • None.

Insights

Extension reflects low tender participation; impact depends on holder decisions.

The filing states an extension of the exchange offer to March 9, 2026 and reports 12 shares validly tendered as of February 26, 2026, versus 40,000 shares outstanding. This tender level equals under 0.001% of the series, indicating minimal near-term conversion activity.

Future activity will depend on holder responses to the extended deadline and any further amendments. Subsequent disclosures will report updated tender counts and final exchange results.

 

 

 

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

 

SCHEDULE TO
TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1)
OF THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

 

ENZON PHARMACEUTICALS, INC.

(Name of Subject Company and Filing Persons (Issuer))

 

Series C Non-Convertible Redeemable Preferred Stock
(Title of Class of Securities)

 

293904702
(CUSIP Number of Class of Securities)

 

Richard L. Feinstein

Chief Executive Officer, Chief Financial Officer and Secretary
Enzon Pharmaceuticals, Inc.

20 Commerce Drive, Suite 135
Cranford, New Jersey 07016
(732) 980-4500
(Name, address, and telephone numbers of person authorized to receive notices and
communications on behalf of filing persons)

 

Copies of communications to:

 

Todd E. Mason
Corby J. Baumann
Benjamin M. Russell
Thompson Hine LLP
300 Madison Avenue, 27th Floor

New York, New York 10017

(212) 344-5680 

 

¨ Check the box if the filing relates solely to preliminary communications before the commencement of a tender offer.

 

Check the appropriate boxes below to designate any transactions to which the statement relates:

 

¨ third-party tender offer subject to Rule 14d-1.
   
x issuer tender offer subject to Rule 13e-4.
   
¨ going-private transaction subject to Rule 13e-3.
   
¨ amendment to Schedule 13D under Rule 13d-2.

 

Check the following box if the filing is a final amendment reporting the results of the tender offer: ¨

 

If applicable, check the appropriate box(es) below to designate the appropriate rule provision(s) relied upon:

 

¨ Rule 13e-4(i) (Cross-Border Issuer Tender Offer)
   
¨ Rule 14d-1(d) (Cross-Border Third-Party Tender Offer)

 

 

 

 

This Amendment No. 2 (this “Amendment”) amends and supplements the Tender Offer Statement on Schedule TO, originally filed with the Securities and Exchange Commission (the “SEC”) on January 30, 2026, and amended by Amendment No. 1 thereto, filed with the SEC on February 11, 2026 (as hereby amended and supplemented and together with any other amendments and supplements thereto, this “Schedule TO”), is filed by Enzon Pharmaceuticals, Inc., a Delaware corporation (the “Company,” “us” or “we”) and relates to an exchange offer (the “Offer”) by the Company to each holder of its Series C Non-Convertible Redeemable Preferred Stock, $0.01 par value per share (the “Series C Preferred Stock”) to exchange each share of Series C Preferred Stock validly tendered and not validly withdrawn for a number of shares of the Company’s common stock, $0.01 par value per share (the “Common Stock”) equal to (i) the aggregate liquidation preference of each share of Series C Preferred Stock, divided by (ii) $7.83 after giving effect to the Reverse Stock Split (as defined in the Prospectus/Consent Solicitation/Offer to Exchange, dated January 28, 2026, filed with the SEC on January 28, 2026 and declared effective on January 30, 2026 (the “Prospectus/Consent Solicitation/Offer to Exchange”)). The Offer is made upon and subject to the terms and conditions set forth in the Prospectus/Consent Solicitation/Offer to Exchange and in the related Letter of Transmittal.

 

This Amendment is being filed to amend and supplement the Schedule TO. Except as amended hereby to the extent specifically provided herein, all terms of the Offer and all other disclosures set forth in the Schedule TO and the exhibits thereto remain unchanged and are hereby expressly incorporated into this Amendment by reference. Capitalized terms used and not otherwise defined in this Amendment shall have the meanings assigned to such terms in the Schedule TO and the Prospectus/Consent Solicitation/Offer to Exchange.

 

The Schedule TO is hereby amended and supplemented as follows:

 

Items 1 through 11

 

Items 1 through 11 of the Schedule TO are hereby amended and supplemented by the addition of the following:

 

The Prospectus/Consent Solicitation/Offer to Exchange, the Letter of Transmittal, the Notice of Guaranteed Delivery, and Items 1 through 11 of the Schedule TO, to the extent such Items incorporate by reference the information contained in the Prospectus/Consent Solicitation/Offer to Exchange, Letter of Transmittal, and Notice of Guaranteed Delivery, are hereby supplemented and amended by the following:

 

On February 27, 2026, Enzon announced an extension to the expiration date of the Offer until one minute after 11:59 p.m., Eastern Time, on March 9, 2026, unless the Offer is further extended.

 

The Offer was previously scheduled to expire one minute after 11:59 p.m., Eastern Time, on February 27, 2026. The Depositary has advised Enzon that, as of 5:00 p.m., Eastern Time, on February 26, 2026, a total of 12 shares of Series C Preferred Stock had been validly tendered and not properly withdrawn, representing less than 0.001% of the outstanding shares of Series C Preferred Stock (based on 40,000 shares of Series C Preferred Stock outstanding as of February 26, 2026). Holders of Series C Preferred Stock who have previously validly tendered and not withdrawn their shares do not need to re-tender their shares or take any other action in response to this extension.

 

All references to “11:59 p.m., Eastern Time, on February 27, 2026” in the Prospectus/Consent Solicitation/Offer to Exchange, the Letter of Transmittal, and the Notice of Guaranteed Delivery shall be deemed to refer to “11:59 p.m., Eastern Time, on March 9, 2026”.

 

The full text of the press release announcing the extension of the Offer is attached hereto as Exhibit (a)(1)(F) and is incorporated herein by reference.

 

Item 12. Exhibits

 

Item 12 of the Schedule TO is hereby amended and supplemented by adding the following exhibits thereto:

 

Exhibit Number Exhibit
   
(a)(1)(F) Press Release issued by Enzon Pharmaceuticals, Inc., dated February 27, 2026 (filed herewith).

 

2

 

 

SIGNATURE

 

After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

  ENZON PHARMACEUTICALS, INC.
       
  By:   /s/ Richard L. Feinstein
  Name:   Richard L. Feinstein
  Title:   Chief Executive Officer, Chief Financial Officer and Secretary

 

Dated: February 27, 2026

 

3

 

FAQ

What change did Enzon (ENZN) make to its Series C exchange offer?

Enzon extended the exchange offer deadline to 11:59 p.m. ET on March 9, 2026. The amendment updates the expiration date and incorporates a press release dated February 27, 2026 announcing the extension.

How many Series C shares had been tendered in Enzon's offer as of Feb 26, 2026?

A total of 12 shares had been validly tendered and not withdrawn as of 5:00 p.m. ET on February 26, 2026. That amount represents under 0.001% of the 40,000 shares outstanding reported that day.

Do holders who already tendered need to re-tender after the extension?

No. Holders who previously validly tendered and not withdrawn their shares do not need to re-tender or take further action in response to the extension, per the amendment language.

What conversion rate governs Enzon's exchange offer of Series C into common stock?

Each share of Series C is exchangeable for common stock equal to the aggregate liquidation preference divided by $7.83, after giving effect to the Reverse Stock Split, as set forth in the Prospectus/Consent Solicitation/Offer to Exchange.

Where can investors find the full text of Enzon's extension announcement?

The full press release announcing the extension is attached as Exhibit (a)(1)(F) to the amended Schedule TO and was issued by Enzon on February 27, 2026.
Enzon Pharma

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Biotechnology
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United States
Cranford