Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY

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CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Total
Balance at Dec. 31, 2018 $ 167 $ 1,319,068 $ (24) $ (1,209,334) $ 109,877
Balance (in shares) at Dec. 31, 2018 167,171,505        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (17,598) (17,598)
Net unrealized gain on short-term investments     34   34
Issuance of common stock upon exercise of options   16     16
Issuance of common stock upon exercise of options (in shares) 7,583        
Stock compensation expense   2,986     2,986
Balance at Mar. 31, 2019 $ 167 1,322,070 10 (1,226,932) 95,315
Balance (in shares) at Mar. 31, 2019 167,179,088        
Balance at Dec. 31, 2019 $ 168 1,329,852 23 (1,276,228) 53,815 [1]
Balance (in shares) at Dec. 31, 2019 167,987,850        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       21,243 21,243
Net unrealized gain on short-term investments     55   55
Issuance of common stock upon exercise of options $ 1 1,335     1,336
Issuance of common stock upon exercise of options (in shares) 581,675        
Stock compensation expense   2,050     2,050
Balance at Mar. 31, 2020 $ 169 $ 1,333,237 $ 78 $ (1,254,985) $ 78,499
Balance (in shares) at Mar. 31, 2020 168,569,525        
[1] The balance sheet at December 31, 2019 has been derived from the audited financial statements included in Rigel’s Annual Report on Form 10-K for the year ended December 31, 2019.