UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): April 9, 2026

FS KKR Capital Corp.

(Exact name of Registrant as specified in its charter)

Maryland

814-00757

26-1630040

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

3025 JFK Boulevard, OFC 500

Philadelphia, Pennsylvania

19104

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (215) 495-1150

None

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

	¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

	¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

	¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

	¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common stock		FSK		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

¨ Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 2.02.

Results of Operations and Financial Condition.

On April 9, 2026, FS KKR Capital Corp. announced that it will host a conference call at 9:00 a.m. (Eastern Time) on Thursday, May 7, 2026, to discuss its first quarter 2026 results. A copy of the press release announcing the conference call is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.

Financial Statements and Exhibits.

(d)

Exhibits.

EXHIBIT NUMBER		DESCRIPTION

99.1		Press Release, dated April 9, 2026.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	FS KKR Capital Corp.

Date: April 9, 2026	By:	/s/ Stephen Sypherd
		Stephen Sypherd
		General Counsel and Secretary

EXHIBIT INDEX

EXHIBIT NUMBER		DESCRIPTION

99.1		Press Release, dated April 9, 2026.

FS KKR Capital Corp. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits