UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ______________________________________ FORM 10-K 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 001-37437 ______________________________________ XBIOTECH INC. (Exact name of Registrant as specified in its charter) British Columbia, Canada N/A (State or other jurisdiction of incorporation or organization) (IRS Employer Identification ...

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 September 30, 2019 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File Number 001-37437 XBIOTECH INC. (Exact name of registrant as specified in charter) British Columbia, Canada __ (State or other jurisdiction of incorporation or organization) (IRS Em ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2019 or Securities registered pursuant to Section 12(b) of the Act: | Title of each class | Trading Symbol(s) | Name of each exchange on which registered | | --- | --- | --- | | Common Stock, no par value | XBIT | NASDAQ Global Select Market | Indicate by check mark whether the registrant (1) has fi ...

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 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number 001-37437 XBIOTECH INC. (Exact name of Registrant as specified in its charter) British Columbia, Canada N/A (State or other jurisdiction of incorporation or organization) (IRS Employer Identification No.) 5217 Winnebago Ln, Austin, TX 78744 (Address of principal executive offic ...