List of insiders holdings for XBiotech Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | SIMARD JOHN Director 10% Owner | 2026-10-28 14:37:00 | 4,191,690 0 | 4,191,690 | Form 4 |
| 2 | GUT THOMAS 10% Owner | 2024-02-07 12:01:48 | 3,914,111 0 | 3,914,111 | Form 13G |
| 3 | MCKENZIE W THORPE Director 10% Owner | 2026-01-23 16:33:19 | 3,006,259 0 | 3,006,259 | Form 13G |
| 4 | Simard Jan-Paul Co-Chief Executive Officer | 2026-10-28 15:32:06 | 2,000,000 0 | 2,000,000 | Form 4 |
| 5 | BAY STREET FINANCIAL S.A. 10% Owner | 2020-12-23 12:09:58 | 844,859 0 | 844,859 | Form 13G |
| 6 | Guzman Benjamin Sr.VP Corp. Strategy & Finance | 2017-07-11 12:20:20 | 300,000 0 | 300,000 | Form 4 |
| 7 | Whitehurst James Scott Chief Financial Officer | 2016-05-03 14:58:57 | 300,000 0 | 300,000 | Form 4 |
| 8 | GONZALEZ NORMA I Vice President, Quality | 2015-04-14 10:19:26 | 146,000 0 | 146,000 | Form 3 |
| 9 | RENNES FONDATION 10% Owner | 2020-02-13 17:07:12 | 110,282 0 | 110,282 | Form 4 |
| 10 | SHIVASWAMY SUSHMA Chief Scientific Officer | 2023-02-17 20:00:49 | 100,000 0 | 100,000 | Form 4 |
| 11 | Rademaker Craig Evan Director | 2025-11-12 09:56:03 | 92,104 0 | 92,104 | Form 4 |
| 12 | HU ANGELA Principle Financial Officer | 2023-02-23 14:51:26 | 85,000 0 | 85,000 | Form 3 |
| 13 | Kuendig Thomas Martin Director | 2025-11-12 09:53:42 | 79,115 0 | 79,115 | Form 4 |
| 14 | THORNBURG KELLY SVP of Operations | 2015-06-10 16:58:50 | 70,368 0 | 70,368 | Form 4 |
| 15 | Troy Tevi David Director | 2025-11-12 09:51:33 | 56,000 0 | 56,000 | Form 4 |
| 16 | COMBS DAVID J Vice President, Manufacturing | 2015-04-14 10:27:00 | 51,166 0 | 51,166 | Form 3 |
| 17 | Soffer David Spencer Director | 2025-11-12 09:54:55 | 51,000 0 | 51,000 | Form 4 |
| 18 | VASELLA DANIEL Director | 2017-06-26 15:47:20 | 50,000 0 | 50,000 | Form 4 |
| 19 | STECHER MICHAEL Medical Director Director | 2017-06-23 14:57:57 | 50,000 0 | 50,000 | Form 4/A |
| 20 | BONANNI FABRIZIO Director | 2017-06-23 14:21:52 | 50,000 0 | 50,000 | Form 4 |
| 21 | Libby Peter Director | 2024-06-21 14:15:34 | 37,500 0 | 37,500 | Form 4 |
| 22 | MacAdam Donald H. Director | 2024-06-21 14:15:57 | 37,500 0 | 37,500 | Form 4 |
| 23 | Waldin Jan-Paul Director | 2024-06-21 14:16:25 | 37,500 0 | 37,500 | Form 4 |
| 24 | HAN QUEENA VP Finance & HR | 2021-11-23 16:10:37 | 35,000 0 | 35,000 | Form 4 |
| 25 | McCollough Dawn VP Clinical Operations | 2016-05-19 15:50:47 | 0 0 | 0 | Form 3 |
| 26 | Choudhury Kalidip VP of Business Development | 2016-08-15 14:35:09 | 0 0 | 0 | Form 3 |
| 27 | Benson Trey VP of Commercial Development | 2016-08-15 12:49:35 | 0 0 | 0 | Form 3 |