X0202 SCHEDULE 13D/A 0000769317-23-000076 0000769317 XXXXXXXX LIVE 13 Common Stock 09/28/2026 false 0000839533 233368109 DWS MUNICIPAL INCOME TRUST

875 THIRD AVENUE 875 THIRD AVENUE NEW YORK MN 10022-6225

Paul Rasmussen 6123592536 80 South 8th Street Suite 3300 Minneapolis MN 55402 0000769317 N SIT INVESTMENT ASSOCIATES INC b OO N MN 8984416.00 8984416.00 8984416.00 N 22.9 IA 0001053046 N SIT FIXED INCOME ADVISORS II LLC /ADV b OO N DE 8984416.00 8984416.00 8984416.00 N 22.9 IA Common Stock DWS MUNICIPAL INCOME TRUST 875 THIRD AVENUE 875 THIRD AVENUE NEW YORK MN 10022-6225 This Amendment No. 13 ("Amendment") amends and supplements the statement on Schedule 13D filed on October 6, 2023, and amended by Amendment No. 1 filed on November 6, 2023, Amendment No. 2 filed on November 15, 2023, Amendment No. 3 filed on December 28, 2023, Amendment No. 4 filed on January 23, 2024, Amendment No. 5 filed on March 28, 2024, Amendment No. 6 filed on July 17, 2024, Amendment No. 7 filed on August 29, 2024, Amendment No. 8 filed on December 18, 2024, Amendment No. 9 filed on January 14, 2025, Amendment No. 10 filed on June 30, 2025, Amendment No. 11 filed on October 2, 2025, and Amendment No. 12 filed on May 31, 2026 (as amended, the "Original Schedule 13D" and, as amended by this Amendment, the "Schedule 13D"), relating to the shares of Common Stock ("Shares") of DWS Municipal Income Trust (the "Issuer"). Capitalized terms used but not otherwise defined herein have the meanings set forth in the Original Schedule 13D. Except as specifically provided herein, each Item of the Original Schedule 13D remains unchanged. See responses on each cover page of this Schedule 13D for the aggregate number of Shares and percentages of the Shares beneficially owned by each of the Reporting Persons. The aggregate percentage of Shares reported owned by Sit Entities herein is based upon 39,183,709 Shares outstanding as of May 31, 2026, which is the total number of Shares outstanding as reported in the Issuer's Form N-CSRS. See responses on each cover page of this Schedule 13D for the number of Shares as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole of shared power to dispose or to direct the disposition. Each of the Sit Entities may be deemed to have shared power to vote and dispose of such Shares. However, none of SIA's or SFI's client accounts own more than 5% of the shares outstanding, and none of SIA's or SFI's directors or executive officers own shares directly. Transactions in Shares by the Sit Entities in the last 60 days are set forth in Exhibit A The clients of SIA and SFI have the right to participate in the receipt of dividends from, or proceeds from the sales of, the Shares held for their respective accounts. Not applicable. Exhibit A: Schedule of Transactions SIT INVESTMENT ASSOCIATES INC Paul Rasmussen 09/29/2026 SIT FIXED INCOME ADVISORS II LLC /ADV Paul Rasmussen 09/29/2026