GLADSTONE INVESTMENT CORPORATION\DE 8-K

What Happened Gladstone Investment Corporation filed an 8-K on March 23, 2026 announcing that David Gladstone stepped down as CEO effective March 20, 2026 and will remain Chairman of the Board. The Board appointed David A.R. Dullum as CEO effective March 20, 2026; he will serve as CEO in addition to his current role as President during a transition. The company also named John Sateri as Chief Investment Officer effective March 20, 2026 and promoted Erika Highland to Executive Vice President effective immediately, with her appointment as President to take effect October 1, 2026 following a transition period. The company furnished a related press release as Exhibit 99.1.

Key Details

• David A.R. Dullum (age 77): appointed CEO effective March 20, 2026; had served as President since April 2008 and has been with the Gladstone Companies since February 2008.
• John Sateri (age 58): appointed CIO effective March 20, 2026 and concurrently named CIO for Gladstone Capital, Commercial, Land, and the Adviser; with Gladstone since April 2007.
• Erika Highland (age 46): promoted to Executive Vice President effective immediately and named President effective October 1, 2026; with Gladstone since August 2005 and Senior Managing Director since October 2023.
• The company has no direct employees; officers are employed by the Adviser or Gladstone Administration, LLC, and no reportable related-party transactions under Item 404(a) were disclosed.

Why It Matters Leadership changes can affect strategy and operational continuity. This 8-K confirms an orderly transition: the founder remains Chairman, a long‑time Gladstone executive (Dullum) immediately assumes CEO duties, and other senior roles are filled from existing Gladstone management. For investors, the filing provides names, effective dates, and the governance approach (internal promotions and continued Adviser/Administrator employment), which are relevant when assessing management stability and oversight.