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 11, 2026

Kayne Anderson BDC, Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: 1 (713) 493-2020

Not Applicable

(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 (see General Instruction A.2. below):

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 or Rule 12b-2 of the Securities Exchange Act of 1934.

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 5.07. Submission of Matters to Vote of Security Holders.

On June 11, 2026, Kayne Anderson BDC, Inc. (the “Company”) held its 2026 Annual Meeting of Stockholders (the “Annual Meeting”). As of April 13, 2026, the record date for the Annual Meeting, there were 66,433,297 shares of common stock outstanding, each of which is entitled to cast one vote. A total of 42,356,179 shares of common stock of the Company were represented by proxy at the Annual Meeting, constituting a quorum. A summary of the matters voted upon by the Company’s stockholders is set forth below.

Each proposal was approved by the Company’s stockholders by the requisite vote.

Proposal 1. To elect the following individuals as director for a term of three years (until the 2029 Annual Meeting of Stockholders) and until successors are duly elected and qualified.

The following votes were taken in connection with this proposal:

Proposal 2. To ratify the selection of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.

The following votes were taken in connection with this proposal:

SIGNATURE

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