What the changes say
- Founder John Simard retired as CEO in December 2025, shifting to a consulting role.
- Clinical trials faced site irregularities, forcing a December 2024 rheumatology program pause.
- Insider ownership stake dropped significantly from 44.2% to 27.0% of outstanding common stock.
What changed since the prior 10-K
New
- NewRisks Related to our Business, Financial Condition and Capital Requirements
New laws or regulations could impact on our ability to receive the necessary approvals to successfully market and commercialize our product candidates
We paused our rheumatology program in December 2024 following irregularities at clinical sites, threatening future trial outcomes and approvals.
- NewRisks Related to our Business, Financial Condition and Capital Requirements
the costs involved in preparing, filing, prosecuting, maintaining, defending and enforcing patents, including litigation costs and the outcome of any such litigation
We cannot accurately estimate future capital needs to complete research or commercialize products, and future financing may be unavailable.
- NewRisks Related to our Business, Financial Condition and Capital Requirements
attract, hire and retain qualified personnel
Regulatory authorities may require additional trials, increasing expenses and risking our ability to ever sustain profitability.
- NewRisks Related to our Business, Financial Condition and Capital Requirements
changes in the approval policies or regulations that render our preclinical and clinical data insufficient for approval
Undesirable side effects could force us to establish restrictive Risk Evaluation Mitigation Strategies or comparable foreign measures.
- NewRisks Related to our Business, Financial Condition and Capital Requirements
unfavorable publicity relating to the product candidate or the Company
Failure to achieve market acceptance among physicians, patients, or payers for approved products would prevent significant revenues.
- NewRisks Related to our Business, Financial Condition and Capital Requirements
We have experienced prior difficulties with clinical sites and patient enrollment and cannot assure that such difficulties will not occur in future clinical trials
Unexpected serious adverse events could cause patient injury or death, halting enrollment or placing trials on clinical hold.
- NewRisks Related to our Business, Financial Condition and Capital Requirements
the inability to commercialize our product candidates
Large class action judgments based on unanticipated side effects could exceed our product liability insurance coverage.
- NewRisks Related to our Business, Financial Condition and Capital Requirements
Policy and trade decisions by government entities, including the potential use and effects of tariffs, could materially impact the macroeconomic framework in which we operate
Government policy and trade decisions, such as U.S. or Canadian tariffs, could disrupt our supply chains and macroeconomic framework.
- NewRisks Related to Intellectual Property
Issued patents that we own or have exclusively licensed may not provide us with any competitive advantages, or may be held invalid or unenforceable, as a result of legal challenges by our competitors
Competitors in safe-harbor jurisdictions or countries without patent rights could use our research to develop competing products.
- NewRisks Related to Owning Shares of Our Common Stock
general economic and market conditions
Macroeconomic conditions, recessions, or interest rate changes could negatively impact our common stock price and trigger litigation.
Dropped
- DroppedRisks Related to our Business, Financial Condition and Capital Requirements
We are highly dependent on our Chief Executive Officer
- DroppedRisks Related to our Business, Financial Condition and Capital Requirements
The transition to a new presidential administration in the United States, including the potential use and effects of tariffs to address the administration’s policy goals, could materially impact the macroeconomic framework in which we operate
Reworded
- 54% rewrittenRisks Related to our Business, Financial Condition and Capital Requirements
We depend on key personnel to operate our business. If we are unable to retain, attract and integrate qualified personnel, our ability to develop and successfully grow our business could be harmed
John Simard retired as CEO on December 8, 2025, transitioning to a consulting role while remaining Chairman.
- 52% rewrittenRisks Related to our Business, Financial Condition and Capital Requirements
The regulatory approval processes of the FDA and comparable foreign regulatory authorities are lengthy, time consuming and inherently unpredictable, and if we are ultimately unable to obtain regulatory approval for our product candidates, our business may fail
Formatting and punctuation were cleaned up without altering the core regulatory approval warnings.
- 48% rewrittenRisks Related to our Business, Financial Condition and Capital Requirements
Our research programs may not succeed
Removed a bullet point list format regarding research program failure reasons into standard paragraph text.
- 44% rewrittenRisks Related to Owning Shares of Our Common Stock
Our share price may be volatile, which could subject us to securities class action lawsuits and prevent you from being able to sell your shares at or above the price at which you purchased them
Changed bullet point formatting of stock volatility causes into a standard continuous prose list.
- 43% rewrittenRisks Related to Intellectual Property
Intellectual property rights do not necessarily address all potential threats to any competitive advantage we may have
Converted bullet points detailing intellectual property limitations into regular paragraph sentences.
- 40% rewrittenRisks Related to our Business, Financial Condition and Capital Requirements
We currently have no source of product revenue and may never sustain profitability
Retained identical risk language regarding lack of product revenue and uncertain path to profitability.
- 37% rewrittenRisks Related to our Business, Financial Condition and Capital Requirements
Product liability lawsuits against us could cause us to incur substantial liabilities and to limit commercialization of any products that we may develop
Maintained exact wording regarding inherent product liability exposure from clinical trials and commercial sales.
- 29% rewrittenRisks Related to Owning Shares of Our Common Stock
Our directors, executive officers and principal shareholders continue to have substantial control over our company and could delay or prevent a change in corporate control
Updated insider ownership figures from 44.2% (13.5 million shares) as of March 18, 2025, to 27.0% (8.2 million shares) as of March 13, 2026.
- 25% rewrittenRisks Related to our Business, Financial Condition and Capital Requirements
Because the results of earlier clinical trials are not necessarily predictive of future results, product candidates we advance into clinical trials, may not have favorable results in later clinical trials or receive regulatory approval
All 51 risk factors
Headings as the filing states them, in filing order.
Risks Related to our Business, Financial Condition and Capital Requirements
- 01New laws or regulations could impact on our ability to receive the necessary approvals to successfully market and commercialize our product candidatesNew
- 02The regulatory approval processes of the FDA and comparable foreign regulatory authorities are lengthy, time consuming and inherently unpredictable
- 03Any product candidates that we commercialize may not receive coverage and adequate reimbursement from third-party payers
- 05We have incurred significant losses since our inception and may incur significant losses in the future
- 06the costs involved in preparing, filing, prosecuting, maintaining, defending and enforcing patents, including litigation costs and the outcome of any such litigationNew
- 07We currently have no source of product revenue and may never sustain profitability40% rewritten
- 08attract, hire and retain qualified personnelNew
- 09Our future success is dependent on the regulatory approval and commercialization of our product candidates
- 10New laws or regulations may be promulgated or modified in the United States, in Europe, or other jurisdictions that could impact our ability to receive the necessary approvals to successfully market and commercialize our product candidates
- 11Because the results of earlier clinical trials are not necessarily predictive of future results, product candidates we advance into clinical trials, may not have favorable results in later clinical trials or receive regulatory approval25% rewritten
- 12If we are unable to enroll subjects in clinical trials, we will be unable to complete these trials on a timely basis
- 13The regulatory approval processes of the FDA and comparable foreign regulatory authorities are lengthy, time consuming and inherently unpredictable, and if we are ultimately unable to obtain regulatory approval for our product candidates, our business may fail52% rewritten
- 14changes in the approval policies or regulations that render our preclinical and clinical data insufficient for approvalNew
- 15Our product candidates may cause undesirable side effects or have other properties that could delay or prevent their regulatory approval, limit the commercial profile of an approved label, or result in significant negative consequences following any marketing approval
- 16Even if our product candidates receive regulatory approval, they may still face future challenges, including ongoing regulatory oversight and marketing challenges
- 17The occurrence of any event or penalty described above may inhibit our ability to commercialize our product candidates and generate revenue
- 18Failure to obtain regulatory approval in foreign jurisdictions would prevent our product candidates from being marketed in those jurisdictions
- 19Even if we are able to commercialize our product candidates, the products may not receive coverage and adequate reimbursement from third-party payers, which could harm our business
- 20We have never marketed a drug before, and if we are unable to establish an effective sales force and marketing infrastructure, or enter into acceptable third-party sales and marketing or licensing arrangements, we may be unable to generate any revenue
- 21Our product candidates, if approved, may not achieve adequate market acceptance among physicians, patients, and healthcare payers and others in the medical community necessary for commercial success
- 22unfavorable publicity relating to the product candidate or the CompanyNew
- 23Our research programs may not succeed48% rewritten
- 24We have experienced prior difficulties with clinical sites and patient enrollment and cannot assure that such difficulties will not occur in future clinical trialsNew
- 25Even an effective drug candidate might not be commercially successful
- 26We face substantial competition, which may result in others discovering, developing or commercializing products before or more successfully than we do
- 27Our failure to successfully identify, acquire, develop and commercialize additional product candidates or approved products could impair our ability to grow
- 28Product liability lawsuits against us could cause us to incur substantial liabilities and to limit commercialization of any products that we may develop37% rewritten
- 29the inability to commercialize our product candidatesNew
- 30We will need to expand our operations and grow the size of our organization in the future, and we may experience difficulties in managing this growth
- 31We may never achieve any of the potential milestone payments that were negotiated as a part of the Janssen Transaction
- 32We depend on key personnel to operate our business. If we are unable to retain, attract and integrate qualified personnel, our ability to develop and successfully grow our business could be harmed54% rewritten
- 33If we fail to comply with environmental, health and safety laws and regulations, we could become subject to fines or penalties or incur costs that could have a material adverse effect on the success of our business
- 34Business disruptions caused by natural disasters, infrastructure interruptions or other public health threats could seriously harm our future revenues and financial condition and increase our costs and expenses
- 35Policy and trade decisions by government entities, including the potential use and effects of tariffs, could materially impact the macroeconomic framework in which we operateNew
Risks Related to Owning Shares of our Common Stock
- 04Future sales, or the possibility of future sales, of a substantial number of our common stock could adversely affect the price of the shares and dilute shareholders
Risks Related to Intellectual Property
- 36If we are unable to obtain or protect intellectual property rights, our competitive position could be harmed
- 37Intellectual property rights do not necessarily address all potential threats to any competitive advantage we may have43% rewritten
- 38Issued patents that we own or have exclusively licensed may not provide us with any competitive advantages, or may be held invalid or unenforceable, as a result of legal challenges by our competitorsNew
- 39Our technology may be found to infringe upon third-party intellectual property rights
- 40We may need to license intellectual property from third parties, and such licenses may not be available or may not be available on commercially reasonable terms
- 41If we are unable to protect the confidentiality of our trade secrets, our business and competitive position would be harmed
Risks Related to Owning Shares of Our Common Stock
- 42Our share price may be volatile, which could subject us to securities class action lawsuits and prevent you from being able to sell your shares at or above the price at which you purchased them44% rewritten
- 43general economic and market conditionsNew
- 44Our directors, executive officers and principal shareholders continue to have substantial control over our company and could delay or prevent a change in corporate control29% rewritten
- 45We have broad discretion in the use of the net proceeds from the Janssen Transaction and may not use them effectively
- 46Provisions in our charter documents under Canadian law could make an acquisition of us, which may be beneficial to our shareholders, more difficult
- 47We may be a passive foreign investment company for US tax purposes which may negatively affect US investors
- 48We are governed by the corporate laws in British Columbia, Canada which in some cases have a different effect on shareholders than the corporate laws in Delaware, United States
- 49Raising additional capital may cause dilution to our existing shareholders, restrict our operations or require us to relinquish rights to our technologies or product candidates
- 50We may have a limited ability to use some or all of our net operating loss and research tax credit carryforwards in the future
- 51Future sales of a substantial number of our common stock, or the perception that such sales will occur, could cause a decline in the market price of our common stock. As of March 13, 2026, we had 30,487,731 common shares outstanding
Other XBiotech 10-Ks
- FY2024 10-K risk factors43 risks
XBiotech faces high concentration risk around CEO John Simard, its pipeline, and milestone payments from the Janssen Transaction for Bermekimab.
Filed Mar 18, 2025
About this page
The headings are the filing's own. The one-line readings and the overview are automated and can be wrong: read Item 1A of the 10-K for the exact wording.