SCHEDULE 13D/A 0001838395 XXXXXXXX LIVE 5 Common Shares, $0.01 par value 07/09/2025 false 0001847305 87677F105 Tax-Free Fixed Income Fund IV for Puerto Rico Residents, Inc.

250 Munoz Rivera Avenue American International Plaza, 10th Floor San Juan PR 00918

W. Heath Hawk (770) 777-9373 GAM Tower, 2 Tabonuco St., Suite 200 Guaynabo PR 00968 0001838395 N Ocean Capital LLC WC N PR 0.00 1401704.00 0.00 1401704.00 1401704.00 N 4.6 OO Box 13 - The percentages used herein are based upon 30,426,647 shares of common stock outstanding, which represents the shares of common stock outstanding as of March 31, 2025, according to the Issuer's certified shareholder report filed on form N-CSR with the Securities and Exchange Commission (the "SEC") on June 6, 2025 (the "Shareholder Report"). Y William Heath Hawk WC N X1 3467.00 1405171.00 0.00 1405171.00 1405171.00 N 4.6 IN Box 13 - The percentages used herein are based upon 30,426,647 shares of common stock outstanding as of March 31, 2025, as disclosed in the Shareholder Report. Y Ethan A. Danial OO N X1 0.00 189490.00 0.00 189490.00 189490.00 N 0.6 IN Box 8 - Consisting of 189,490 shares owned by RAD Investments, LLC, which Mr. Danial, as one of its managers, may be deemed to beneficially own. Box 13 - The percentages used herein are based upon 30,426,647 shares of common stock outstanding as of March 31, 2025, as disclosed in the Shareholder Report. Y Brent D. Rosenthal OO N X1 0.00 0.00 0.00 0.00 0.00 N 0 IN Y Jose R. Izquierdo II OO N X1 0.00 0.00 0.00 0.00 0.00 N 0.00 IN Y Ian McCarthy OO N X1 0.00 0.00 0.00 0.00 0.00 N 0 IN Common Shares, $0.01 par value Tax-Free Fixed Income Fund IV for Puerto Rico Residents, Inc. 250 Munoz Rivera Avenue American International Plaza, 10th Floor San Juan PR 00918 The following constitutes Amendment No. 5 ("Amendment No. 5") to the Schedule 13D filed by the undersigned with the SEC on June 20, 2024, as amended by the Amendment No. 1 filed on June 27, 2024, Amendment No. 2 filed on July 3, 2024, Amendment No. 3 filed on May 28, 2025 and Amendment No. 4 filed on July 1, 2025 (collectively, the "Schedule 13D"). This Amendment No. 5 amends the Schedule 13D as specifically set forth herein. Capitalized terms used but not defined herein have the meanings ascribed to them in the Schedule 13D. Item 4 is hereby supplemented to add the following paragraphs: On July 9, 2025, Ocean Capital, Mr. Hawk and the 2025 Nominees (collectively, the "2025 Participants") filed a definitive proxy statement and an accompanying BLUE proxy card with the SEC in connection with their solicitation of proxies for the 2025 Annual Meeting of stockholder (the "2025 Annual Meeting"). At the 2025 Annual Meeting, the 2025 Participants will seek stockholder approval of Ocean Capital's proposals to (i) elect the 2025 Nominees, consisting of Brent D. Rosenthal and Jose R. Izquierdo II, to serve as Class III directors on the Board, until their terms expire at the Issuer's 2028 annual meeting of stockholders or until their respective successors are duly elected and qualified, (ii) repeal any provision of, or amendment to, the Issuer's Amended and Restated Bylaws (the "Bylaws") adopted by the Board without the approval of the Issuer's stockholders subsequent to July 9, 2021, (iii) amend Article II, Section 8 of the Issuer's Bylaws to lower the quorum threshold for stockholder meetings from one-half to one-third of the outstanding shares entitled to vote and (iv) amend Article II, Section 8 of the Issuer's Bylaws to add a supermajority voting standard for all future amendments of that section. Details of the proposals, including information about the 2025 Nominees, can be found in the 2025 Participants' definitive proxy statement, which is available at no charge on the SEC's website http://www.sec.gov. The 2025 Participants are asking stockholders to vote on their BLUE proxy card "FOR ALL" the 2025 Nominees, "FOR" the proposal to repeal any provision of, or amendment to, the Issuer's Bylaws adopted by the Board without the approval of the Issuer's stockholders subsequent to July 9, 2021, "FOR" the proposal to amend Article II, Section 8 of the Issuer's Bylaws to lower the quorum threshold from one-half to one-third of the outstanding shares entitled to vote and "FOR" the proposal to amend Article II, Section 8 of the Issuer's Bylaws to add a supermajority voting standard for all future amendments of that section. Ocean Capital LLC /s/ William Heath Hawk 07/11/2025 William Heath Hawk /s/ William Heath Hawk 07/11/2025 Ethan A. Danial /s/ Ethan A. Danial 07/11/2025 Brent D. Rosenthal /s/ Brent D. Rosenthal 07/11/2025 Jose R. Izquierdo II /s/ Jose R. Izquierdo II 07/11/2025 Ian McCarthy /s/ Ian McCarthy 07/11/2025