GLADSTONE INVESTMENT CORPORATION\DE

Regulatory Filings • Nov 14, 2025

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): November 14, 2025

Gladstone Investment Corporation

(Exact Name of Registrant as Specified in Charter)

Delaware	814-00704	83-0423116
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification Number)

1521 Westbranch Drive , Suite 100 , McLean , Virginia 22102

(Address of Principal Executive Offices) (Zip Code)

(703) 287-5800

(Registrant’s telephone number, including area code)

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, $0.001 par value per share	GAIN	The Nasdaq Stock Market LLC
5.00% Notes due 2026	GAINN	The Nasdaq Stock Market LLC
4.875% Notes due 2028	GAINZ	The Nasdaq Stock Market LLC
8.00% Notes due 2028	GAINL	The Nasdaq Stock Market LLC
7.875% Notes due 2030	GAINI	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). 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 8.01 Other Events.

On November 14, 2025, Gladstone Investment Corporation (the “Company”) announced that it will redeem 100% (or $74,750,000 aggregate principal amount) of its outstanding 8.00% notes due 2028 (the “2028 Notes”) on December 16, 2025 (the “Redemption Date”). The redemption price for the 2028 Notes equals 100% of the $74,750,000 aggregate principal amount of the 2028 Notes being redeemed, plus accrued and unpaid interest otherwise payable for the then-current quarterly interest period accrued to, but excluding, the Redemption Date. In connection with the redemption, the 2028 Notes will be delisted from the Nasdaq Global Select Market.

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.

/s/ Taylor Ritchie
Taylor Ritchie
Chief Financial Officer and Treasurer