XBiotech Inc. (XBIT)
Nasdaq: XBIT · Pharmaceutical Preparations · Austin, TX · filing with the SEC since 2014
Who owns XBiotech Inc.
As filed with the SECHolders of 5% or more
2
John Simard holds 17.7% of Common Shares, no par value, as its SCHEDULE 13G/A filed Jan 23, 2026 says.
Directors and officers
6
report now, of 21 people on the record since 2015. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
John Simard
SCHEDULE 13G/A · filed Jan 23, 2026 · Common Shares, no par value · 19.9% in Jan 27, 2025
W. Thorpe McKenzie
SCHEDULE 13G/A · filed Jan 23, 2026 · Common Shares, no par value · 9.71% in Jan 27, 2025
What XBIT reports owning in othersstakes of 5% or more, and other ties
1 subsidiary in 1 country, from the list filed with the 10-K filed Mar 13, 2026.
Insider tradesForm 4
0sales
1purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$700,000bought, in dollars
Open-market trades on Form 4 from Oct 28, 2025 to Oct 28, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 28, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 24 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Simard John | Chief Executive Officer | 0 | $0 | 0 | 1 | $700,000 |