X0202 SCHEDULE 13D/A 0001480561 XXXXXXXX LIVE 28 Common Stock, $0.01 par value per share 05/12/2026 false 0001844684 000000000 NC SLF INC.

375 Park Avenue, 9th Floor New York NY 10152

Garon Meikle, Chief Financial (313) 324-5900 UAW Retiree Medical Benefits Trust 1155 Brewery Park Blvd., Suite 400 Detroit MI 48207 0001480561 N UAW Retiree Medical Benefits Trust a WC N XX 0.00 69245897.00 0.00 69245897.00 69245897.00 N 99.2 EP 0001795057 N UAW Chrysler Retirees Medical Benefits Plan a WC N XX 0.00 13502947.00 0.00 13502947.00 13502947.00 N 19.3 EP 0001795052 N UAW Ford Retirees Medical Benefits Plan a WC N XX 0.00 21050751.00 0.00 21050751.00 21050751.00 N 30.2 EP 0001795050 N UAW GM Retirees Medical Benefits Plan a WC N XX 0.00 34692199.00 0.00 34692199.00 34692199.00 N 49.7 EP 0001794997 N Hershel Harper a AF N X1 0.00 69245897.00 0.00 69245897.00 69245897.00 N 99.2 IN Common Stock, $0.01 par value per share NC SLF INC. 375 Park Avenue, 9th Floor New York NY 10152 This Item 4 is hereby amended to include the following: On May 12, 2026, pursuant to drawdown notices delivered in accordance with the Subscription Agreements (i) UAW Chrysler Retirees Medical Benefits Plan purchased from the Issuer, and the Issuer issued to UAW Chrysler Retirees Medical Benefits Plan 199,865 Shares; (ii) UAW Ford Retirees Medical Benefits Plan purchased from the Issuer, and the Issuer issued to UAW Ford Retirees Medical Benefits Plan 311,584 Shares; and (iii) UAW GM Retirees Medical Benefits Plan purchased from the Issuer, and the Issuer issued to UAW GM Retirees Medical Benefits Plan 513,499 Shares. The price per Share was $9.66. The aggregate number of Shares to which this Amendment No. 28 relates is 69,245,897. Such aggregate number of Shares represents 99.2% of the common stock of the Issuer. The percentage reported in this Amendment No. 28 is calculated based upon 69,773,584 Shares outstanding as of May 12, 2026 as indicated by the Issuer. The UAW Chrysler Retirees Medical Benefits Plan beneficially owns and has shared voting and dispositive power of 13,502,947 Shares. Such Shares represent 19.3% of the Shares outstanding. The UAW Ford Retirees Medical Benefits Plan beneficially owns and has shared voting and dispositive power of 21,050,751 Shares. Such Shares represent 30.2% of the Shares outstanding. The UAW GM Retirees Medical Benefits Plan beneficially owns and has shared voting and dispositive power of 34,692,199 Shares. Such Shares represent 49.7% of the Shares outstanding. UAW RMBT is the trust under which the Plans are established and, pursuant to Rule 13d-3, may be deemed to beneficially own the 69,245,897 Shares held by the Plans. Such Shares represent 99.2% of the Shares outstanding. UAW RMBT is an indirect beneficial owner of these Shares. Hershel Harper is the chief investment officer of UAW RMBT, the trust under which the Plans are established, and, pursuant to Rule 13d-3 may be deemed to beneficially own the 69,245,897 Shares held by the Plans. Such Shares represent 99.2% of the Shares outstanding. Hershel Harper is an indirect beneficial owner of these Shares. Except as disclosed in Item 4, no transactions in the Shares were effected during the past sixty days by the Reporting Persons. Not applicable. Not applicable. UAW Retiree Medical Benefits Trust /s/ Garon Meikle 05/14/2026 UAW Chrysler Retirees Medical Benefits Plan /s/ Garon Meikle 05/14/2026 UAW Ford Retirees Medical Benefits Plan /s/ Garon Meikle 05/14/2026 UAW GM Retirees Medical Benefits Plan /s/ Garon Meikle 05/14/2026 Hershel Harper /s/ Hershel Harper 05/14/2026