XBiotech Inc.
XBiotech Inc. (XBIT) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · XBIT · as of Jun 9, 2026
Activity summary
Buy transactions
1
P-Purchase only
Sell transactions
0
12 Months
Buy/Sell ratio
∞
Buy/Sell (by trades)
Overall sentiment
XBiotech Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 9, 2026
XBIT insider buying and selling by quarter
XBIT insider selling · XBIT insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 9, 2026
Recent insider transactions
XBIT executive sell shares · XBIT board member insider trading · XBIT insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Oct 15, 2021 | SIMARD JOHN CEO · Director | Sale | 17,000 | $226K | Form 4 |
| Oct 18, 2021 | SIMARD JOHN CEO · Director | Sale | 33,000 | $431K | Form 4 |
| Dec 16, 2021 | MCKENZIE W THORPE Director | Option | 250,000 | $2.50M⚡ | Form 4 |
| Dec 16, 2021 | MCKENZIE W THORPE Director | Other | 213,493 | $2.50M⚡ | Form 4 |
| Oct 12, 2021 | SIMARD JOHN CEO · Director | Sale | 18,000 | $230K | Form 4 |
| Oct 13, 2021 | SIMARD JOHN CEO · Director | Sale | 10,875 | $140K | Form 4 |
| Oct 7, 2021 | SIMARD JOHN CEO · Director | Sale | 39,286 | $489K | Form 4 |
| Oct 14, 2021 | SIMARD JOHN CEO · Director | Sale | 21,125 | $273K | Form 4 |
| Oct 4, 2021 | SIMARD JOHN CEO · Director | Sale | 23,681 | $310K | Form 4 |
| Oct 5, 2021 | SIMARD JOHN CEO · Director | Sale | 14,218 | $180K | Form 4 |
| Oct 6, 2021 | SIMARD JOHN CEO · Director | Sale | 10,714 | $134K | Form 4 |
| Sep 28, 2021 | SIMARD JOHN CEO · Director | Sale | 6,263 | $89K | Form 4 |
| Sep 29, 2021 | SIMARD JOHN CEO · Director | Sale | 16,396 | $220K | Form 4 |
| Sep 30, 2021 | SIMARD JOHN CEO · Director | Sale | 18,558 | $242K | Form 4 |
| Oct 1, 2021 | SIMARD JOHN CEO · Director | Sale | 19,684 | $260K | Form 4 |
| Sep 23, 2021 | SIMARD JOHN CEO · Director | Sale | 9,892 | $145K | Form 4 |
| Sep 24, 2021 | SIMARD JOHN CEO · Director | Sale | 11,418 | $165K | Form 4 |
| Sep 27, 2021 | SIMARD JOHN CEO · Director | Sale | 29,890 | $443K | Form 4 |
| Sep 20, 2021 | SIMARD JOHN CEO · Director | Sale | 13,471 | $203K | Form 4 |
| Sep 21, 2021 | SIMARD JOHN CEO · Director | Sale | 16,860 | $257K | Form 4 |
| Sep 22, 2021 | SIMARD JOHN CEO · Director | Sale | 19,669 | $298K | Form 4 |
| Jul 14, 2021 | SIMARD JOHN CEO · Director | Sale | 50,000 | $907K | Form 4 |
| Dec 18, 2020 | BAY STREET FINANCIAL S.A. 10 percent owner | Sale | 1,173,033 | $22.03M⚡ | Form 4 |
| Dec 2, 2020 | BAY STREET FINANCIAL S.A. 10 percent owner | Sale | 182,836 | $3.37M⚡ | Form 4 |
| Nov 19, 2020 | MCKENZIE W THORPE Director | Sale | 375,000 | $6.86M⚡ | Form 4 |
MCKENZIE W THORPE
Director
Date
Dec 16
Shares
250,000
Price
$10.00
Value
$2.50M ⚡
BAY STREET FINANCIAL S.A.
10 percent owner
Date
Dec 18
Shares
1,173,033
Price
$18.78
Value
$22.03M ⚡
BAY STREET FINANCIAL S.A.
10 percent owner
Date
Dec 2
Shares
182,836
Price
$18.42
Value
$3.37M ⚡
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About XBIT insider trading
XBIT insider trades
XBiotech Inc. (XBIT) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including XBIT. Over the past 12 months, 0 insiders have filed transactions with the SEC. XBIT insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For XBiotech Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
XBIT insider trading · 5 questionsThe insiders of XBiotech Inc. (XBIT) include executives and directors such as XBIT, among others. Over the past 12 months, 0 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026