X0306 5 2018-12-31 0 0 0 0000920465 LA JOLLA PHARMACEUTICAL CO LJPC 0001178579 TANG KEVIN C 4747 EXECUTIVE DRIVE, SUITE 510 SAN DIEGO CA 92121 1 0 1 0 0001191935 TANG CAPITAL PARTNERS LP 4747 EXECUTIVE DRIVE, SUITE 510 SAN DIEGO CA 92121 0 0 1 0 0001232621 TANG CAPITAL MANAGEMENT LLC 4747 EXECUTIVE DRIVE, SUITE 510 SAN DIEGO CA 92121 0 0 1 0 Common Stock 2018-09-11 5 G 0 500000 0.00 D 3638893 I By LP The gifted securities were held by Tang Capital Partners, LP and were donated to a charitable foundation. The securities are beneficially owned by Tang Capital Partners, LP ("TCP"). Kevin Tang is the sole manager of Tang Capital Management, LLC, which is the general partner of TCP. Mr. Tang has a pecuniary interest in a portion of the shares beneficially held by TCP. /s/ Kevin Tang 2019-02-14 /s/ Kevin Tang, Managing Member of Tang Capital Management, LLC, General Partner 2019-02-14 /s/ Kevin Tang, Managing Member 2019-02-14