aTyr Pharma(LIFE) - 2019 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Commission file number: 001-37378 ATYR PHARMA, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) 3545 John Hopkins Court, Suite #250, San Diego, CA 92121 (Address of principal executive offices) (Zip Code) Delaware ...