Form 3 Filing by Andrew Olson, CFO of Hercules Capital, Inc.

This filing reports initial ownership of securities by Andrew Olson, Chief Financial Officer of Hercules Capital, Inc. (HTGC), as of May 18, 2026. Olson directly holds 30,386 shares of Common Stock. Additionally, he holds 25,756 unvested restricted stock awards and 25,756 unvested restricted stock units. The restricted stock award vests over approximately three years starting one year after the grant date of May 15, 2026. The restricted stock units will vest 100% on May 15, 2033. The filing was signed by Kiersten Zaza Botelho as Attorney-in-Fact for Andrew Olson on May 28, 2026.