# EDGAR Filing Document

**Accession Number:** 0001211462
**File Stem:** 0001171843-23-000891
**Filing Date:** 2023-2
**Character Count:** 9018
**Document Hash:** 1225c869c3d03c0517626d1488c5447f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001171843-23-000891.hdr.sgml**: 20230210

**ACCESSION NUMBER**: 0001171843-23-000891

**CONFORMED SUBMISSION TYPE**: SC 13G

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230210

**DATE AS OF CHANGE**: 20230210

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** XBiotech Inc.
- **CENTRAL INDEX KEY:** 0001626878
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-88810
- **FILM NUMBER:** 23609794

**BUSINESS ADDRESS:**
- **STREET 1:** 5217 WINNEBAGO LANE
- **STREET 2:** BUILDING 4, SUITE 100
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78744
- **BUSINESS PHONE:** 512-386-2900

**MAIL ADDRESS:**
- **STREET 1:** 5217 WINNEBAGO LANE
- **STREET 2:** BUILDING 4, SUITE 100
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78744
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MCKENZIE W  THORPE
- **CENTRAL INDEX KEY:** 0001211462

**FILING VALUES:**
- **FORM TYPE:** SC 13G

**MAIL ADDRESS:**
- **STREET 1:** 735 BROAD ST
- **STREET 2:** STE 1105
- **CITY:** CHATTANOOGA
- **STATE:** TN
- **ZIP:** 37402

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**SCHEDULE 13G**

Under the Securities Exchange Act of 1934

---

| |
|:---|
| **XBIOTECH INC.** |
| (Name of Issuer) |
| **Common Shares, no par value** |
| (Title of Class of Securities) |
| **98400H102** |
| (CUSIP Number) |
| **December 31, 2022** |
| (Date of Event which Requires Filing of this Statement) |

---

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[_] Rule 13d-1(b)

[ ] Rule 13d-1(c)

[x] Rule 13d-1(d)

<sup>1</sup>The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the *Notes*).

**SCHEDULE 13G**

---

| | |
|:---|:---|
| **CUSIP No.** | **98400H102** |

---

---

| | | |
|:---|:---|:---|
| **1** | **Names of Reporting Persons** | **Names of Reporting Persons** |
|  | W. Thorpe McKenzie | W. Thorpe McKenzie |
| **2** | **Check the appropriate box if a member of a Group (see instructions)** | **Check the appropriate box if a member of a Group (see instructions)** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) [ ]<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) [ ] | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) [ ]<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) [ ] |
| **3** | **Sec Use Only** | **Sec Use Only** |
| **4** | **Citizenship or Place of Organization** | **Citizenship or Place of Organization** |
|  | USA | USA |
| **Number of Shares Beneficially Owned by Each Reporting Person With:** | **5** | &nbsp;&nbsp;&nbsp;**Sole Voting Power** |
|  |  | &nbsp;&nbsp;&nbsp;2929971 <sup>(1)</sup> |
|  | **6** | &nbsp;&nbsp;&nbsp;**Shared Voting Power** |
|  |  | &nbsp;&nbsp;&nbsp;106288<sup>(3)</sup> |
|  | **7** | &nbsp;&nbsp;&nbsp;**Sole Dispositive Power** |
|  |  | &nbsp;&nbsp;&nbsp;2929971<sup>(1)</sup> |
|  | **8** | &nbsp;&nbsp;&nbsp;**Shared Dispositive Power** |
|  |  | &nbsp;&nbsp;&nbsp;106288<sup>(3)</sup> |
| **9** | **Aggregate Amount Beneficially Owned by Each Reporting Person** | **Aggregate Amount Beneficially Owned by Each Reporting Person** |
|  | 3036259<sup>(1)(2)</sup> | 3036259<sup>(1)(2)</sup> |
| **10** | **Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)** | **Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)** |
|  | [ ] | [ ] |
| **11** | **Percent of class represented by amount in row (9)** | **Percent of class represented by amount in row (9)** |
|  | 9.87%<sup>(4)</sup> | 9.87%<sup>(4)</sup> |
| **12** | **Type of Reporting Person (See Instructions)** | **Type of Reporting Person (See Instructions)** |
|  | IN | IN |

---

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(1) These figures include shares of common stock underlying stock options held by the Reporting Person, including options that are immediately exercisable within 60 days of December 31, 2022.

(2) Includes 66,748 shares held by the McKenzie Foundation, 31,864 shares held by Mr. McKenzie's spouse and 7,676 shares held in a Trust for Mr. McKenzie's stepchildren.

(3) The Reporting Person's spouse owns, controls and holds sole dispositive power to 106,288 shares for which the Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein. The Reporting Person's Foundation owns, controls and holds sole dispositive power to 66,748 shares for which the Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein. The Reporting Person's stepchildren owns, controls and holds sole dispositive power to 7,676 shares for which the Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

(4) The percentage is calculated based upon 30,439,275 shares outstanding as of December 31, 2022.

Page 3 of 7

**Item 1.**

**(a)** **Name of Issuer:** 

XBiotech Inc.

**(b)** **Address of Issuer's Principal Executive Offices:** 

5217 Winnebago Ln, Austin, TX 78744

**Item 2.**

**(a)** **Name of Person Filing:** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;W. Thorpe McKenzie

**(b)** **Address of Principal Business Office or, if None, Residence:** 

832 Georgia Avenue, Suite 1100

Chattanooga, TN 37402

**(c)** **Citizenship:** 

USA

**(d)** **Title and Class of Securities:** 

Common Shares, no par value

**(e)** **CUSIP No.:** 

98400H102

**Item 3.** **If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

Not Applicable

**Item 4.** **Ownership**

As of December 31, 2022

**(a)** **Amount Beneficially Owned:** 

3,036,259<sup>(1)(2)</sup> shares

**(b)** **Percent of Class:** 

9.87%<sup>(4)</sup>

**(c)** **Number of shares as to which such person has:** 

**(i)** **Sole power to vote or to direct the vote:** 

2,929,971<sup>(1)</sup> shares

Page 4 of 7

**(ii)** **Shared power to vote or to direct the vote:** 

106,288<sup>(3)</sup>

**(iii)** **Sole power to dispose or to direct the disposition of:** 

2,929,971 <sup>(1)</sup> shares

**(iv)** **Shared power to dispose or to direct the disposition of:** 

106,288 <sup>(3)</sup>

(1) These figures include shares of common stock underlying stock options held by the Reporting Person, including options that are immediately exercisable within 60 days of December 31, 2022.

(2) Includes 66,748 shares held by the McKenzie Foundation, 31,864 shares held by Mr. McKenzie's spouse and 7,676 shares held in a Trust for Mr. McKenzie's stepchildren.

(3) The Reporting Person's spouse owns, controls and holds sole dispositive power to 106,288 shares for which the Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein. The Reporting Person's Foundation owns, controls and holds sole dispositive power to 66,748 shares for which the Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein. The Reporting Person's stepchildren owns, controls and holds sole dispositive power to 7,676 shares for which the Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

(4) The percentage is calculated based upon 30,439,275 shares outstanding as of December 31, 2022.

**Item 5.** **Ownership of Five Percent or Less of a Class.**

Not Applicable

**Item 6.** **Ownership of more than Five Percent on Behalf of Another Person.**

Not Applicable

**Item 7.** **Identification and classification of the subsidiary which acquired the security being reported on by the parent holding company or control person.**

Not Applicable

**Item 8.** **Identification and classification of members of the group.**

Not Applicable

Page 5 of 7

**Item 9.** **Notice of Dissolution of Group.**

Not Applicable

**Item 10.** **Certifications.**

Not Applicable

Page 6 of 7

**SIGNATURE**

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: February 10, 2023

*<u>/s/ W. Thorpe McKenzie</u>*

W. Thorpe McKenzie

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