<ACCESSION-NUMBER>0001193125-18-278852 <TYPE>497 <PUBLIC-DOCUMENT-COUNT>5 <FILING-DATE>20180920 <DATE-OF-FILING-DATE-CHANGE>20180920 <EFFECTIVENESS-DATE>20180920 <FILER> <COMPANY-DATA> <CONFORMED-NAME>Hercules Capital, Inc. <CIK>0001280784 <IRS-NUMBER>743113410 <STATE-OF-INCORPORATION>MD <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>497 <ACT>33 <FILE-NUMBER>333-224281 <FILM-NUMBER>181079996 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>400 HAMILTON AVE <STREET2>SUITE 310 <CITY>PALO ALTO <STATE>CA <ZIP>94301 <PHONE>650-289-3060 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>400 HAMILTON AVE <STREET2>SUITE 310 <CITY>PALO ALTO <STATE>CA <ZIP>94301 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>HERCULES TECHNOLOGY GROWTH CAPITAL INC <DATE-CHANGED>20040219 </FORMER-COMPANY> </FILER>