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): June 27, 2020

FS KKR Capital Corp. II

(Exact name of Registrant as specified in its charter)

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

(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:

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

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).

FS KKR Capital Corp. II (the “Company”) held its Annual Meeting of Stockholders (the “Annual Meeting”) on June 15, 2020. On June 15, 2020, the Company adjourned the Annual Meeting with respect to the Share Issuance Proposal (as defined below), to permit additional time to solicit stockholder votes for such proposal. The first reconvened meeting (the “First Reconvened Meeting”) was held on June 18, 2020. On June 18, 2020, the Company adjourned the First Reconvened Meeting with respect to the Share Issuance Proposal to permit additional time to solicit stockholder votes for such proposal. The second reconvened meeting (the “Second Reconvened Meeting”) was held June 26, 2020. On June 26, 2020, the Company adjourned the Second Reconvened Meeting with respect to the Share Issuance Proposal to permit additional time to solicit stockholder votes for such proposal. The third reconvened meeting (the “Third Reconvened Meeting”) was held June 27, 2020. As of February 28, 2020, the record date (the “Record Date”) for the determination of stockholders entitled to notice of, and to vote at, the Third Reconvened Meeting, 678,379,301 shares of common stock were eligible to be voted in person or by proxy. As previously announced, on June 10, 2020, the Company effected a 4 to 1 reverse split of the Company’s shares of common stock (the “Reverse Stock Split”). As a result of the Reverse Stock Split, every four shares of the Company’s common stock issued and outstanding were automatically combined into one share of the Company’s common stock. As adjusted to give effect to the Reverse Stock Split, at the close of business on the Record Date, there would have been 169,594,825 shares of the Company’s common stock (instead of 678,379,301), constituting all of the outstanding voting securities of the Company. The Reverse Stock Split did not modify the rights or preferences of the Company’s common stock. Of the eligible shares of common stock to be voted, 85,283,500 were voted in person or by proxy at the Third Reconvened Meeting.

Stockholders were asked to consider and act upon the following proposals, each of which was described in the Company’s definitive proxy statement filed with the Securities and Exchange Commission (the “SEC”) on March 2, 2020:

The Share Issuance Proposal was approved by the Company’s stockholders at the Third Reconvened Meeting. The votes for, votes against, abstentions and broker non-votes are set below:

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.