Company: GAINI
Filing Date: 2025-11-06
Form Type: 424B2
Source: 0001193125-25-269767
Chunk: 4

Company: GLADSTONE INVESTMENT CORPORATION\DE
Filing Date: 2025-11-06
Form: 424B2
Chunk 4
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 PROSPECTUS SUPPLEMENT SUMMARY The following summary highlights some of the information contained elsewhere in or incorporated by reference into this prospectus supplement and the accompanying prospectus. It is not complete and may not contain all the information that you may want to consider. You should review the more detailed information contained elsewhere in this prospectus supplement, the accompanying prospectus, any free writing prospectus and the documents incorporated by reference into this prospectus supplement and the accompanying prospectus prior to making an investment in the Notes, and especially the information set forth under the heading “Supplementary Risk Factors” in this prospectus supplement, under the heading “Risk Factors” in the accompanying prospectus and under similar headings in any document incorporated by reference into this prospectus supplement or the accompanying prospectus. Except where the context suggests otherwise, “Company,” “we,” “us” or “our” refer to Gladstone Investment Corporation; “Adviser” refers to Gladstone Management Corporation; and “Administrator” refers to Gladstone Administration, LLC. Gladstone Investment Corporation We were incorporated under the General Corporation Law of the State of Delaware on February 18, 2005. We operate as an externally managed, closed-end, non-diversifiedmanagement investment company and have elected to be treated as a BDC under the 1940 Act. For U.S. federal income tax purposes, we have elected to be treated as a RIC under Subchapter M of the Code. To continue to qualify as a RIC for U.S. federal income tax purposes and obtain favorable RIC tax treatment, we must meet certain requirements, including certain minimum distribution requirements. Shares of our common stock, our 5.00% Notes due 2026, our 4.875% Notes due 2028, our 8.00% Notes due 2028 and our 7.875% Notes due 2030 are traded on Nasdaq Global Select Market under the trading symbols “GAIN,” “GAINN,” “GAINZ,” “GAINL” and “GAINI,” respectively. Investment Objectives and Strategy We were established for the purpose of investing in debt and equity securities of established private businesses operating in the United States (“U.S.”). Our investment objectives are to: (i) achieve and grow current income by investing in debt securities of established businesses that we believe will provide stable earnings and cash flow to pay expenses, make principal and interest payments on our outstanding indebtedness and make distributions to stockholders that grow over time; and (