Fidus Investment Corporation increased the maximum amount of shares to be sold through its at-the-market (ATM) offering program to $400.0 million from $300.0 million. The company executed Amendment No. 3 to the Equity Distribution Agreement on March 2, 2026, with Raymond James & Associates, Inc. and B. Riley Securities, Inc. serving as Sales Agents. As of March 2, 2026, approximately $134.8 million in aggregate amount of shares remain available for sale under the ATM Program. The shares will be issued pursuant to the company's shelf registration statement on Form N-2 (File No. 333-293856), which became effective on February 27, 2026.