UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, ~~D.C.~~DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 orOR 15(d) of the Securities Exchange Act of 1934

Date of ~~the~~Report ~~Securities~~(Date ~~Exchange~~of ~~Act~~earliest ofevent ~~1934~~reported): August 12, 2025

Date of Report (Date of earliest event Reported): August 7, 2025

Gladstone Investment Corporation

(Exact Name of Registrant as Specified in its Charter)

Delaware	~~814-00704~~	814-00704	~~83-0423116~~	83-0423116
(State or Other Jurisdictionof Incorporation)	(Commission File Number)		(I.R.S. EmployerIdentification Number)
(State or Other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

1521 Westbranch Drive, Suite 100, McLean, Virginia 22102


1521 Westbranch Drive, Suite 100 McLean, Virginia			22102
(Address of Principal Executive Offices)			(Zip Code)

~~(Address~~Registrant's oftelephone ~~Principal~~number, ~~Executive~~including ~~Offices)~~area ~~(Zip~~code: ~~Code~~(703) 287-5800

(703) 287-5800

(Registrant’s telephone number, including area code)

(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:

☐o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

☐ 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

~~TradingSymbol(s)~~

~~Name of Each Exchange on Which Registered~~

Trading Symbol(s)

Name of Each Exchange on Which Registered

Common Stock, $0.001 par value per share

~~GAIN~~

Filing Compare · GLADSTONE INVESTMENT CORPORATION\DE