** U.S.-listed shares of drugmaker Aurinia Pharmaceuticals

up 6.6% at $7.01

** Tang Capital Management reports 5.1% stake in AUPH as of Sept. 6

** Separately, AUPH said on Thursday it has restructured its board and has allowed CEO Peter Greenleaf to continue as a director

** AUPH says Greenleaf had conditionally resigned as a director because he received less-than-majority support at the 2024 AGM

** Company's board says it has considered all relevant factors and determined there are exceptional circumstances that warrant the rejection of Greenleaf's conditional resignation

** AUPH says its board has appointed Kevin Tang, president of Tang Capital Management as a director

** Shareholder Lucien Selce, co-founder of Vista Capital Management, has been urging other investors in AUPH to remove the CEO

** Stock was down nearly 27% YTD

(Reporting by Ananya Mariam Rajesh in Bengaluru)

((AnanyaMariam.Rajesh@thomsonreuters.com ; X: ))