XBiotech(XBIT) - 2019 Q1 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2019 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File Number 001-37437 5217 Winnebago Ln, Austin, TX 78744 (Address of principal executive offices)(Zip Code) Telephone Number (512) 386-2900 (Registrant's telephone number, including Area C ...