NexPoint Capital, Inc. (0001588272) (Filer)

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): October 13, 2026

NEXPOINT CAPITAL, INC.

(Exact name of Registrant as Specified in Its Charter)

300 Crescent Court, Suite 700

Dallas, Texas 75201

(Address of Principal Executive Offices)(Zip Code)

Registrant’s telephone number, including area code: (972)

934-4700

(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:

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

Cash Distributions

The board of directors (the “Board”) of NexPoint Capital, Inc. (the “Company”) declared a cash distribution of $0.09 per share of the Company’s common stock, par value $0.001 per share, payable on October 13, 2026, to the stockholders of record on September 30, 2026.

Item 8.01. Other Events

As of September 30, 2026, the net asset value per share and the price at which the Company issues shares under its distribution reinvestment plan (the “DRP”) was determined to be $4.44 per share in accordance with the valuation policies and procedures established by the Company’s investment adviser (the “Adviser”) and approved by the Board of the Company, pursuant to Rule

2a-5

under the Investment Company Act of 1940, as amended. The price at which shares are issued under the DRP is determined by the Adviser in its sole discretion, and is not less than the net asset value per share determined in good faith by the Adviser in its sole discretion, immediately prior to the payment of the distribution (the “NAV Per Share”).

Forward-Looking Statements

This Current Report on Form

8-K

may contain certain forward-looking statements, including statements with regard to the future performance and operation of the Company. Words such as “believes,” “expects,” “projects” and “future” or similar expressions are intended to identify forward-looking statements. These forward-looking statements are subject to the inherent uncertainties in predicting future results and conditions. Certain factors could cause actual results to differ materially from those projected in these forward-looking statements, and some of these factors are enumerated in the filings the Company makes with the Securities and Exchange Commission. The Company undertakes no obligation to publicly update or revise any forward- looking statements, whether as a result of new information, future events or otherwise.

SIGNATURES

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