Silence Therapeutics (SLN) risk factors, FY2024 10-K

Silence Therapeutics's FY2024 10-K, filed Feb 27, 2025, lists 72 risk factors in 4 groups. There is no earlier 10-K to compare against, so the most company-specific risks are listed below.

Risk factors listed
724 groups
Section length
28k wordsItem 1A

Silence Therapeutics's biggest risks in the FY2024 10-K

  • Silence Therapeutics relies entirely on unproven siRNA technology with no commercial products and a history of significant net losses.
  • Operations depend heavily on partnerships with companies like AstraZeneca, Hansoh, and Mallinckrodt.
  • Capital requirements are high, supported by $147.3 million in cash as of December 31, 2024.

The risks most specific to Silence Therapeutics

  • Risks Related to Our Financial Condition and Need for Additional Capital

    We have a history of net losses, and we anticipate that we will continue to incur significant losses for the foreseeable future

    We have a history of net losses and anticipate incurring significant losses for the foreseeable future as a clinical-stage biopharmaceutical company.

  • Risks Related to Our Financial Condition and Need for Additional Capital

    We have never generated any revenue from product sales and may never be profitable

    We have never generated revenue from product sales and may never achieve profitability.

  • Risks Related to Our Financial Condition and Need for Additional Capital

    Any of these events would have a material adverse effect on our business, operating results and prospects and could significantly impair the value of your investment in our ADSs

    We held $147.3 million in cash, cash equivalents, and short-term investments as of December 31, 2024, to fund operations.

  • Risks Related to Our Financial Condition and Need for Additional Capital

    We have concentrated our therapeutic product research and development efforts on siRNA technology, and our future success depends on the successful development of this technology and products based on our siRNA product platform

    Our future success depends entirely on the unproven and preliminary scientific feasibility of our siRNA product platform.

  • Risks Related to Our Financial Condition and Need for Additional Capital

    If we are unable to maintain any of our existing collaborations, or if these arrangements are not successful, or we are unable to enter into future licenses, our business could be adversely affected

    A significant portion of our product development depends on collaborations with third parties including Hansoh, Mallinckrodt, and AstraZeneca.

  • Risks Related to Our Financial Condition and Need for Additional Capital

    We rely on third parties to conduct some aspects of our manufacturing, research and development activities, and those third parties may not perform satisfactorily, including failing to meet deadlines for the completion of research or clinical testing, or may terminate our agreements

    We rely on third parties and contract manufacturers to conduct research, preclinical and clinical studies, and manufacturing activities.

  • Risks Related to Our Business Operations and Compliance with Government Regulations

    We may need to expand our organization and may experience difficulties in managing this growth, which could disrupt our operations

    We had 116 employees as of December 31, 2024, and may experience difficulties managing organizational growth.

  • Risks Related to Our Business Operations and Compliance with Government Regulations

    Additionally, sensitive data of the Company could be leaked, disclosed, or revealed as a result of or in connection with our employees’, personnel’s, or vendors’ use of generative artificial intelligence ("AI"), technologies

    Our use of generative artificial intelligence technologies by employees or vendors risks the leak or disclosure of sensitive company data.

All 72 risk factors

Headings as the filing states them, in filing order.

Risks Related to Our Financial Condition and Need for Additional Capital

  1. 01We have a history of net losses, and we anticipate that we will continue to incur significant losses for the foreseeable future
  2. 02We have never generated any revenue from product sales and may never be profitable
  3. 03attracting, hiring and retaining qualified personnel
  4. 04Any of these events would have a material adverse effect on our business, operating results and prospects and could significantly impair the value of your investment in our ADSs
  5. 05Raising additional capital may cause dilution to our holders, including holders of our ADSs, restrict our operations or require us to relinquish rights to our technologies or product candidates
  6. 06required to accept terms that restrict our ability to incur additional indebtedness, force us to maintain specified liquidity or other ratios or restrict our ability to pay dividends or make acquisitions
  7. 07We have concentrated our therapeutic product research and development efforts on siRNA technology, and our future success depends on the successful development of this technology and products based on our siRNA product platform
  8. 08We may not be successful in our efforts to identify or discover potential product candidates
  9. 09new competitive developments in the evolving field of RNAi, or in other nucleic acid-based approaches, including gene therapy or gene editing, may render our product candidates obsolete or noncompetitive
  10. 10We may not be successful in our efforts to increase our pipeline, including by pursuing additional indications for our current product candidates, identifying additional indications for our proprietary platform technology or in-licensing or acquiring additional product candidates for other indications
  11. 11Preclinical studies and clinical trials of our product candidates may not be successful. If we are unable to generate successful results from these studies and trials, or experience significant delays in doing so, our business may be materially harmed
  12. 12If we do not achieve one or more of these factors in a timely manner or at all, we could experience significant delays or an inability to successfully complete the development of, or commercialize, our product candidates, which would materially harm our business
  13. 13our product candidates may be harmed, which could significantly harm our business, financial condition, results of operations and prospects
  14. 14delays in delivering sufficient supply of clinical trial materials to clinical sites and challenges in patient recruitment, as well as challenges regarding global clinical trial supply shipments, importation and customs clearances
  15. 15have the product removed from the market after obtaining marketing approval
  16. 16Conducting successful clinical trials requires the enrollment of large numbers of patients, and suitable patients may be difficult to identify and recruit
  17. 17If we are unable to maintain any of our existing collaborations, or if these arrangements are not successful, or we are unable to enter into future licenses, our business could be adversely affected
  18. 18We rely on third parties to conduct some aspects of our manufacturing, research and development activities, and those third parties may not perform satisfactorily, including failing to meet deadlines for the completion of research or clinical testing, or may terminate our agreements
  19. 19the losses incurred by us if our insurance coverage is insufficient to cover any loss, contamination or damage of chemical materials, product components or products made by any of our CMOs, once the materials or products have been shipped to us and the risk of loss has been transferred to us
  20. 20Even if we complete the necessary preclinical studies and clinical trials, we cannot predict whether or when we will obtain regulatory approval to commercialize a product candidate and we cannot, therefore, predict the timing of any revenue from a future product
  21. 21Even if we obtain regulatory approval for a product candidate, we will still face extensive regulatory requirements, and our products may face future development and regulatory difficulties
  22. 22Any government investigation of alleged violations of law could require us to expend significant time and resources in response and could generate negative publicity. The occurrence of any event or penalty described above may inhibit our ability to commercialize our future products and generate revenues
  23. 23We may not be able to obtain or maintain orphan drug designations for any of our product candidates, and we may be unable to maintain the benefits associated with orphan drug designation, including the potential for market exclusivity
  24. 24We may use our financial and human resources to pursue a particular research program or product candidate and fail to capitalize on programs or product candidates that may be more profitable or for which there is a greater likelihood of success
  25. 25Any of our product candidates may cause adverse effects or have other properties that could delay or prevent their regulatory approval or limit the scope of any approved label or market acceptance
  26. 26If AEs are observed in any clinical trials of our product candidates, including those that a strategic collaborator may develop under an agreement with us, our or our collaborators’ ability to obtain regulatory approval for product candidates may be negatively impacted
  27. 27our reputation may suffer
  28. 28Even if any of our product candidates receive marketing approval, they may fail to achieve the degree of market acceptance by physicians, patients, third party payers and others in the medical community necessary for commercial success

Risks Related to Our Business Operations and Compliance with Government Regulations

  1. 29Our future success depends on our ability to retain key executives and to attract, retain and motivate qualified personnel
  2. 30We may need to expand our organization and may experience difficulties in managing this growth, which could disrupt our operations
  3. 31If we fail to introduce new products or keep pace with advances in technology, our business, financial condition and results of operations could be adversely affected
  4. 32We face potential product liability and other claims, and, if successful claims are brought against us, we may incur substantial liability and costs
  5. 33decreased demand for our product candidates, if approved for commercial sale
  6. 34Additionally, sensitive data of the Company could be leaked, disclosed, or revealed as a result of or in connection with our employees’, personnel’s, or vendors’ use of generative artificial intelligence ("AI"), technologies
  7. 35Our data processing activities subject us to privacy and data protection obligations, such as various laws, regulations, guidance, industry standards, external and internal privacy and security policies, contractual requirements, and other obligations relating to data privacy and security
  8. 36Our employees, consultants and contractors may engage in misconduct or other improper activities, including noncompliance with regulatory standards and requirements or insider trading violations, which could significantly harm our business
  9. 37Healthcare legislative and other regulatory reform measures may have a negative impact on our business and results of operations
  10. 38The United Kingdom’s withdrawal from the EU may have a negative effect on global economic conditions, financial markets and our business, which could reduce the price of our common shares
  11. 39We may face uncertainty related to pricing, coverage and reimbursement for our product candidates
  12. 40Exchange rate fluctuations may adversely affect our results of operations and cash flows
  13. 41If 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
  14. 42Inflation may adversely affect our operations, including increases in the prices of goods and services required for our operations

Risks Related to our Intellectual Property

  1. 43If we are unable to obtain or protect intellectual property rights related to our current or future products and product candidates, we may not be able to compete effectively in our markets
  2. 44Third-party claims of intellectual property infringement may prevent or delay our development and commercialization efforts
  3. 45We may be involved in lawsuits to protect or enforce our patents or the patents of our licensors, which could be expensive, time-consuming and unsuccessful
  4. 46We may be subject to claims that our employees, consultants or independent contractors have wrongfully used or disclosed confidential information of third parties

Risks Related to Our ADSs

  1. 47We no longer qualify as an “emerging growth company” as of December 31, 2024, and, as a result, we will no longer be able to avail ourselves of certain reduced reporting requirements applicable to emerging growth companies
  2. 48We have incurred and will continue to incur increased costs as a result of operating as a public company, and our management has devoted and will continue to be required to devote substantial time to new compliance initiatives and corporate governance practices
  3. 49The trading price of our ADSs may be volatile, and you could lose all or part of your investment
  4. 50investors’ general perception of us and our business and any failure to meet expectations of investors or equity research analysts
  5. 51Future sales, or the possibility of future sales, of a substantial number of our ADSs could adversely affect the price of such securities
  6. 52If equity research analysts do not publish research or reports, or publish unfavorable research or reports, about us, our business or our market, the price and trading volume of our ADSs could decline
  7. 53Concentration of ownership of our ordinary shares (including ordinary shares represented by ADSs) among our existing senior management, directors and principal shareholders may prevent new investors from influencing significant corporate decisions and matters submitted to shareholders for approval
  8. 54discouraging a potential acquirer from making a tender offer or otherwise attempting to obtain control of us
  9. 55Because we do not anticipate paying any cash dividends on our ordinary shares (including ordinary shares represented by ADSs) in the foreseeable future, capital appreciation, if any, will be your sole source of gains and you may never receive a return on your investment
  10. 56There can be no assurance that we will not identify additional control deficiencies or material weaknesses in the future
  11. 57Holders of our ADSs have fewer rights than our shareholders and must act through the depositary to exercise their rights
  12. 58You may be subject to limitations on transfers of your ADSs
  13. 59The depositary for our ADSs is entitled to charge holders fees for various services, including annual service fees
  14. 60You may not receive distributions on our ordinary shares represented by the ADSs or any value for them if it is illegal or impractical to make them available to holders of ADSs
  15. 61Your right to participate in any future rights offerings may be limited, which may cause dilution of your holdings
  16. 62If a United States person is treated as owning at least 10% of our ordinary shares, such United States person may be subject to adverse U.S. federal income tax consequences
  17. 63Changes and uncertainties in the tax system in the countries in which we have operations, could materially adversely affect our financial condition and results of operations, and reduce net returns to our shareholders
  18. 64Tax authorities may disagree with our positions and conclusions regarding certain tax positions, or may apply existing rules in an unforeseen manner, resulting in unanticipated costs, taxes or non-realization of expected benefits
  19. 65Protections found in provisions under the U.K. City Code on Takeovers and Mergers, or the Takeover Code, will not apply if our place of management and control remains outside the United Kingdom
  20. 66The board of directors of the offeree company must appoint a competent independent adviser whose advice on the financial terms of the offer must be made known to all the shareholders, together with the opinion of the board of directors of the offeree company
  21. 67Misleading, inaccurate or untrue statements made in documents or to the media must be publicly corrected immediately
  22. 68The rights of our shareholders may differ from the rights typically offered to stockholders of a U.S. corporation
  23. 69As an English company, certain capital structure decisions will require shareholder approval, which may limit our flexibility to manage our capital structure
  24. 70Claims of U.S. civil liabilities may not be enforceable against us
  25. 71Our articles of association provide that the U.S. federal district courts are the exclusive forum for the resolution of any complaint asserting a cause of action arising under the Securities Act
  26. 72ADS holders may not be entitled to a jury trial with respect to claims arising under the deposit agreement, which could result in less favorable results for the plaintiff(s) in any such action

Other Silence Therapeutics 10-Ks

  • FY2025 10-K risk factors
    75 risks9 new6 dropped14 reworded

    Cash and cash equivalents and U.S. treasury bills decreased from $147.3 million to $85.1 million as of December 31, 2025. Cumulative U.K. carryforward tax losses reached $231.6 million as of December 31, 2025. The U.K. Takeover Code residency test will be abolished on February 3, 2027.

    Filed Mar 05, 2026

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.