Data as of 5 Nov 2026 · 中文

US · SEC FORM 4

XBiotech Inc.

XBIT · — · CIK 0001626878 · Healthcare · Biotechnology

INSIDER SIGNAL

61.7 / 100

1 buyers · 1 purchase transaction lines · $711.3K gross purchase

WHY THIS SIGNAL?

Buyer breadthLow

Purchase sizeModerate

RoleStrong

RecencyStrong

ConvictionStrong

Score anatomy

Each bar is that part's points in the score; the five parts add up to the score.

Number of buyers+7.0 / 35

Amount bought+16.2 / 25

Buyers' roles+20.0 / 20

How recent+8.5 / 10

Buying against selling+10.0 / 10

What is holding the score back?

⚠ Few buyers · 1 insider(s), not 4 or more
✓ Buyers' roles add a lot · most senior buyer: Director,TenPercentOwner
✓ Recent buying · latest purchase 2026-10-26

Average daily trading volume is shown elsewhere on the page as market context; it is not part of the score.

US-v1.2 ranks qualifying equity purchases under the current 180-day rules. The score is a research priority, not a return forecast or probability. Backtests have not shown that a higher US score is followed by better returns.

Insider activity timeline

Owner lanes use transaction dates. Diamonds show later public disclosure dates; the transaction was not public before then. Sales remain context only.

MayJunJulAugSepOctNov

SIMARD JOHNDirector,TenPercentOwner

●◇

● Purchase▼ Sale○ Other◇ Public disclosure

—

Purchase breadth & concentration

QUALIFYING BUYERS1

PURCHASE CONCENTRATION100%Largest buyer: SIMARD JOHN · $711.3K

CLUSTER BUYING · 15D1 insiderPeak activity: 2026-10-26–2026-10-26

Roles in the peak window: Director,TenPercentOwner. Concentration uses priced qualifying P lines only and does not change the saved score.

SIGNAL HISTORY

61.7 / 100

Latest recorded score

↓ -0.2 ptsversus the previous recorded snapshot

Oct 2962.6
Nov 362.0
Nov 461.9
Nov 561.7

Only scores saved when a full US scoring run completed are shown; gaps are not reconstructed.

Recent Form 4 activity

1Purchases

0Sales

0Other Form 4 lines

1SEC filings · 365 days

BUYING1 qualifying P line(s) · 180 days

SELLING0 sale line(s) · context only

OTHER0 exercise / withholding / award / gift / other lines

10b5-1 / PLANNEDNot detected in parsed evidence

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Dividends

No cash dividend in the last five years.

Yahoo Finance: cash dividends by ex-dividend date, the latest close, the payout ratio (dividends ÷ 12-month earnings per share) and announced dates; special dividends included, stock dividends and splits not. Not part of any score.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short: 300,908
Previous report: 328,066
Avg daily volume: 46,446
Days to cover: 6.5

FINRA settlement date: 2026-10-15 · Captured 2026-11-03 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction date	Disclosure date	Reporting owner	Type	Security	Shares	Avg. price	Approx. value	Source
2026-10-26	2026-10-28	SIMARD JOHN	Purchase (P)	Common Stock	368,524	USD 1.93	USD 711,251	SEC filing ↗

Form 4 evidence

1 transaction lines in the latest 365-day window; 66 in local history.

Trade date	Disclosure date	Owner	Type	Security	Shares	Avg. price	Approx. value	Source
2026-10-26	2026-10-28	SIMARD JOHN	Purchase (P)	Common Stock	368,524	USD 1.93	USD 711,251	SEC filing ↗

Show recent Form 4 evidence (1 grouped rows)

Trade date	Disclosure date	Owner	Type	Security	Shares	Avg. price	Approx. value	Source
2026-10-26	2026-10-28	SIMARD JOHN	Purchase (P)	Common Stock	368,524	USD 1.93	USD 711,251	SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date	2026-11-05
Ranking version	US-v1.2
Data quality	REVIEW MAPPING_REVIEW · mapping-review-required
Ticker	XBIT
CIK	0001626878
Sector	Healthcare
Industry	Biotechnology Yahoo Finance
SEC SIC	2834 Pharmaceutical Preparations
Exchange	—

Data coverage

Local Form 4 history	66 transaction lines from 2020-01-06 to 2026-10-26 1 P purchase lines · 32 S sale lines · 33 other lines
SEC company submissions	Open SEC filings ↗

Local ledger as of 2026-11-05. Mapping status is an audit field and does not erase SEC filing evidence.