XBiotech Inc.

XBIT

Healthcare|Biotechnology|US

$1.89

+0.02 (+1.07%)

DCF Value

$4.08

Tangible Book / Share

$4.21

Cash / Share

$3.59

Ownership Breakdown

63.1%

Float

30.5M

Shares Outstanding

19.2M

Float Shares

Major Holders (2)

Combined: 27.5%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

Holder	Type	% of Class	Shares	Filed	Filing
John Simard	Individual	17.70%	5,719,775	Jan 23, 2026	13D/G
W. Thorpe McKenzie	Individual	9.76%	3,006,259	Jan 23, 2026	13D/G

Insider Trades (100)

Last 4 quarters: 3,672,971 acquired · 2,470,355 disposed

Insider	Position	Date	Type	Shares	Price	Value	Filing
Simard Jan-Paul	Co-Chief Executive Officer	Oct 26, 2026	AWARD	2,000,000	$1.85	$3.7M	Form 4
Simard Jan-Paul		Oct 23, 2026	OTHER	0	—	—	Form 4
SIMARD JOHN	director, 10 percent owner:	Oct 26, 2026	BUY	368,524	$1.93	$711.3K	Form 4
Rademaker Craig Evan	director	Oct 1, 2025	AWARD	92,104	$2.64	$243.2K	Form 4
Soffer David Spencer	director	Oct 1, 2025	AWARD	51,000	$2.64	$134.6K	Form 4
Kuendig Thomas Martin	director	Oct 1, 2025	AWARD	79,115	$2.64	$208.9K	Form 4
Troy Tevi David	director	Oct 1, 2025	AWARD	56,000	$2.64	$147.8K	Form 4
Soffer David Spencer		Aug 29, 2025	OTHER	0	—	—	Form 4
Kuendig Thomas Martin	director	Aug 29, 2025	OTHER	0	—	—	Form 4
Kuendig Thomas Martin	director	Aug 29, 2025	OTHER	0	—	—	Form 4
Troy Tevi David		Aug 29, 2025	OTHER	0	—	—	Form 4
Rademaker Craig Evan	director	Aug 29, 2025	OTHER	0	—	—	Form 4
Rademaker Craig Evan	director	Aug 29, 2025	OTHER	0	—	—	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Mar 17, 2025	AWARD	1,026,228	$3.52	$3.6M	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Jan 31, 2025	DISPOSED	2,470,355	$4.05	$10.0M	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Jun 20, 2024	AWARD	37,500	$5.12	$192.0K	Form 4
Waldin Jan-Paul	director	Jun 20, 2024	AWARD	37,500	$5.12	$192.0K	Form 4
MacAdam Donald H.	director	Jun 20, 2024	AWARD	37,500	$5.12	$192.0K	Form 4
Libby Peter	director	Jun 20, 2024	AWARD	37,500	$5.12	$192.0K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Jan 3, 2024	BUY	2,470,355	$4.05	$10.0M	Form 4
Waldin Jan-Paul	director	Jun 23, 2023	AWARD	25,000	$6.04	$151.0K	Form 4
Libby Peter	director	Jun 23, 2023	AWARD	25,000	$6.04	$151.0K	Form 4
MacAdam Donald H.	director	Jun 23, 2023	AWARD	25,000	$6.04	$151.0K	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Jun 23, 2023	AWARD	25,000	$6.04	$151.0K	Form 4
HU ANGELA	Principle Financial Officer	Feb 10, 2023	DISPOSED	0	—	—	Form 4
HU ANGELA	Principle Financial Officer	Apr 1, 2016	DISPOSED	4,500	$19.00	$85.5K	Form 4
HU ANGELA	Principle Financial Officer	Jan 4, 2020	DISPOSED	5,000	$5.26	$26.3K	Form 4
HU ANGELA	Principle Financial Officer	Nov 6, 2020	DISPOSED	10,000	$10.36	$103.6K	Form 4
HU ANGELA	Principle Financial Officer	Nov 19, 2022	DISPOSED	10,000	$12.67	$126.7K	Form 4
HU ANGELA	Principle Financial Officer	Aug 10, 2023	DISPOSED	30,000	$3.84	$115.2K	Form 4
SHIVASWAMY SUSHMA	Chief Scientific Officer	Feb 10, 2023	AWARD	100,000	$3.84	$384.0K	Form 4
MacAdam Donald H.	director:	Jun 22, 2022	AWARD	25,000	—	—	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Jun 22, 2022	AWARD	25,000	$5.89	$147.3K	Form 4
MCKENZIE W THORPE	director:	Jun 22, 2022	AWARD	25,000	—	—	Form 4
Waldin Jan-Paul	director:	Jun 22, 2022	AWARD	25,000	—	—	Form 4
Libby Peter	director	Jun 22, 2022	AWARD	25,000	$5.89	$147.3K	Form 4
Libby Peter	director:	Jun 22, 2022	AWARD	25,000	—	—	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 15, 2021	SELL	17,000	$13.32	$226.5K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 18, 2021	SELL	33,000	$13.07	$431.3K	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Dec 16, 2021	OPTION EX.	250,000	$10.00	$2.5M	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Dec 16, 2021	TAX W/H	213,493	$11.71	$2.5M	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Dec 16, 2021	OPTION EX.	250,000	$10.00	$2.5M	Form 4
SHIVASWAMY SUSHMA	Chief Scientific Officer	Nov 19, 2021	AWARD	100,000	$12.67	$1.3M	Form 4
HAN QUEENA	VP Finance & HR	Nov 19, 2021	AWARD	35,000	$12.67	$443.4K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 12, 2021	SELL	18,000	$12.77	$229.9K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 13, 2021	SELL	10,875	$12.83	$139.5K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 7, 2021	SELL	39,286	$12.45	$489.1K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 14, 2021	SELL	21,125	$12.90	$272.5K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 4, 2021	SELL	23,681	$13.08	$309.9K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 5, 2021	SELL	14,218	$12.66	$180.1K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 6, 2021	SELL	10,714	$12.53	$134.3K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 28, 2021	SELL	6,263	$14.27	$89.4K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 29, 2021	SELL	16,396	$13.41	$219.8K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 30, 2021	SELL	18,558	$13.07	$242.5K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Oct 1, 2021	SELL	19,684	$13.23	$260.5K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 23, 2021	SELL	9,892	$14.68	$145.2K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 24, 2021	SELL	11,418	$14.49	$165.4K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 27, 2021	SELL	29,890	$14.81	$442.8K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 20, 2021	SELL	13,471	$15.06	$202.9K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 21, 2021	SELL	16,860	$15.24	$256.9K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 22, 2021	SELL	19,669	$15.14	$297.8K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Jul 14, 2021	SELL	50,000	$18.15	$907.3K	Form 4
Libby Peter	director	Jul 9, 2021	OPTION EX.	25,000	$7.76	$194.0K	Form 4
Libby Peter	director	Jul 9, 2021	OPTION EX.	25,000	$7.76	$194.0K	Form 4
MacAdam Donald H.	director	Jul 9, 2021	OPTION EX.	10,000	$4.40	$44.0K	Form 4
MacAdam Donald H.	director	Jul 9, 2021	OPTION EX.	10,000	$4.40	$44.0K	Form 4
Waldin Jan-Paul	director	Jun 22, 2021	AWARD	25,000	$16.21	$405.3K	Form 4
Libby Peter	director	Jun 22, 2021	AWARD	25,000	$16.21	$405.3K	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Jun 22, 2021	AWARD	25,000	$16.21	$405.3K	Form 4
MacAdam Donald H.	director	Jun 22, 2021	AWARD	25,000	$16.21	$405.3K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Aug 27, 2020	AWARD	0	$18.25	—	Form 4
Libby Peter	director	Aug 27, 2020	AWARD	25,000	$18.25	$456.3K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Mar 22, 2021	OPTION EX.	500,000	$7.50	$3.8M	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Mar 22, 2021	OPTION EX.	500,000	$7.50	$3.8M	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Jan 28, 2021	DISPOSED	500,000	$11.12	$5.6M	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Jan 28, 2021	DISPOSED	150,000	$7.45	$1.1M	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Jan 28, 2021	DISPOSED	89,260	$4.44	$396.3K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Jan 28, 2021	DISPOSED	13,484	$4.24	$57.2K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Jan 28, 2021	DISPOSED	1,875	$9.45	$17.7K	Form 4
BAY STREET FINANCIAL S.A.	10 percent owner	Dec 18, 2020	SELL	1,173,033	$18.78	$22.0M	Form 4
BAY STREET FINANCIAL S.A.	10 percent owner	Dec 2, 2020	SELL	182,836	$18.42	$3.4M	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Nov 19, 2020	SELL	375,000	$18.30	$6.9M	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Sep 18, 2020	DISPOSED	500,000	—	—	Form 4
SHIVASWAMY SUSHMA	Chief Scientific Officer	Sep 15, 2020	OPTION EX.	20,668	$7.50	$155.0K	Form 4
SHIVASWAMY SUSHMA	Chief Scientific Officer	Sep 10, 2020	OPTION EX.	19,332	$7.50	$145.0K	Form 4
SHIVASWAMY SUSHMA	Chief Scientific Officer	Sep 15, 2020	OPTION EX.	20,668	$7.50	$155.0K	Form 4
SHIVASWAMY SUSHMA	Chief Scientific Officer	Sep 10, 2020	SELL	19,332	$20.01	$386.8K	Form 4
SHIVASWAMY SUSHMA	Chief Scientific Officer	Sep 10, 2020	OPTION EX.	19,332	$7.50	$145.0K	Form 4
SHIVASWAMY SUSHMA	Chief Scientific Officer	Sep 15, 2020	SELL	20,668	$20.00	$413.4K	Form 4
HAN QUEENA	VP Finance & HR	Sep 1, 2020	OPTION EX.	27,692	$4.16	$115.2K	Form 4
HAN QUEENA	VP Finance & HR	Sep 1, 2020	OPTION EX.	30,000	$4.24	$127.2K	Form 4
HAN QUEENA	VP Finance & HR	Sep 1, 2020	OPTION EX.	30,000	$4.24	$127.2K	Form 4
HAN QUEENA	VP Finance & HR	Sep 1, 2020	OPTION EX.	27,692	$4.16	$115.2K	Form 4
Waldin Jan-Paul	director	Aug 27, 2020	AWARD	25,000	$18.25	$456.3K	Form 4
SIMARD JOHN	director, 10 percent owner, officer: Chief Executive Officer	Aug 27, 2020	AWARD	25,000	$18.25	$456.3K	Form 4
MCKENZIE W THORPE	director, 10 percent owner:	Aug 27, 2020	AWARD	25,000	$18.25	$456.3K	Form 4
MacAdam Donald H.	director	Aug 27, 2020	AWARD	25,000	$18.25	$456.3K	Form 4
HAN QUEENA	VP Finance & HR	Aug 24, 2020	OPTION EX.	18,700	$7.50	$140.3K	Form 4
HAN QUEENA	VP Finance & HR	Aug 24, 2020	OPTION EX.	12,500	$5.26	$65.8K	Form 4
HAN QUEENA	VP Finance & HR	Aug 24, 2020	OPTION EX.	12,308	$4.16	$51.2K	Form 4