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 June 30, 2022 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 Employe ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q 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 Employer Identification No.) 5217 Winnebago Ln, Austin, TX 78744 (Address of principal executive offices)(Zip Code) Telephone Number (512) 386-2900 (Registrant's telephone number, including Area Code) ☒ Quarterly Report Pursuant to Sect ...

Commission file number 001-37437 ________________________________________ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 XBIOTECH INC. FORM 10-K (Exact name of Registrant as specified in its charter) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 British Columbia, Canada N/A ☐ Transaction Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 (State or other jurisdiction of inc ...

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, 2021 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 ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2021 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 Employe ...

XBIOTECH INC. Washington, D.C. 20549 (Exact name of registrant as specified in charter) UNITED STATES SECURITIES AND EXCHANGE COMMISSION 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, 2021 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File Number 001-37437 British Columbia, Canada __ (State or other jurisdiction of incorporation or organization) (IRS Employ ...

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, 2020 ☐ Transaction 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 its charter) British Columbia, Canada N/A (State or other jurisdiction of incorporation or organization) (IRS Employer ...

For the quarterly period ended September 30, 2020 or FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ☐ 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 Emp ...

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 June 30, 2020 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 Employe ...

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 March 31, 2020 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 Employ ...