X0202 SCHEDULE 13D/A 0001213900-26-039424 0001358538 XXXXXXXX LIVE 6 Common Stock 05/12/2026 false 0001490349 71742W103 PhenixFIN Corp

445 Park Avenue 10th Floor New York NY 10022

David Lorber (212) 859-0390 445 Park Avenue, 10th Floor New York NY 10022 0001358538 N David A. Lorber PF N X1 245198.00 3378.00 245198.00 3378.00 248576.00 N 12.9 IN Based on 1,932,600 shares of common stock outstanding as of May 5, 2026 as reported by the issuer in the Form 10-Q filed with the Securities and Exchange Commission on May 5, 2026. Common Stock PhenixFIN Corp 445 Park Avenue 10th Floor New York NY 10022 This Amendment No. 6 amends the Schedule 13D originally filed with the U.S. Securities and Exchange Commission ("SEC") on December 20, 2021, as amended by Amendment No. 1 filed with the SEC on May 16, 2022, Amendment No. 2 filed with the SEC on January 3, 2023, Amendment No. 3 filed with the SEC on March 5, 2024, Amendment No. 4 filed with the SEC on June 18, 2025, and Amendment No. 5 filed with the SEC on April 2, 2026 (as amended, the "Schedule 13D") by David A. Lorber, FrontFour Master Fund, Ltd. and FrontFour Capital Group LLC), with respect to the common stock (the "Common Stock") of PhenixFIN Corporation (the "Company"). FrontFour Master Fund, Ltd. and FrontFour Capital Group LLC ceased to be a reporting person on the Schedule 13D upon the filing of Amendment No. 5. Item 3 of the Schedule 13D is hereby amended and supplemented to reflect that the amount of funds used by Mr. Lorber to acquire the Common Stock beneficially owned by him and by his spouse's individual retirement account (IRA), as to which he is deemed to have beneficial ownership, is approximately $7,896,209.19, which was obtained from personal funds. As previously disclosed, certain shares of Common Stock were acquired by Mr. Lorber through an in-kind distribution from FrontFour Master Fund Ltd. for no additional consideration. As of the date hereof, Mr. Lorber beneficially owns 248,576 shares of Common Stock, 3,378 shares of which are held in his spouse's IRA, representing approximately 12.9% of the Company's outstanding Common Stock, based on 1,932,600 shares of Common Stock outstanding as of May 5, 2026 as reported by the Company in the Form 10-Q filed with the Securities and Exchange Commission on May 5, 2026. Mr. Lorber has sole voting and dispositive power with respect to the 245,198 shares of Common Stock held directly by him and shared voting and dispositive power of the 3,378 shares of Common Stock held in his spouse's IRA. The following purchases of Common Stock were made by Mr. Lorber in the past 60 days. All such purchases were made in the open market in routine brokerage transactions. Other than the transactions listed in the table below, there have been no transactions in the Common Stock effected by the Reporting Person during the past 60 days. Date: 5/12/2026 --- Number of Shares: 42,065 --- Price Per Share: $39.95* (*) The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.00 to $40.00, inclusive. The reporting person undertakes to provide to PhenixFIN Corporation, any security holder of PhenixFIN Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote. David A. Lorber /s/ David A. Lorber 05/14/2026