What are the new corporate governance requirements in Switzerland for 2026?

The 2026 reforms embed ad‑hoc disclosure and management‑transaction reporting into federal statute and strengthen market‑abuse rules. Boards must update policies, approve new disclosure workflows and ensure all obligated persons are registered and trained.

Which companies must report management transactions and ad‑hoc disclosures under the new rules?

Primarily SIX‑listed issuers, both equity and debt, and certain large private groups that exceed statutory thresholds. The comparison table in Section 3 provides entity‑by‑entity guidance.

How do the market‑abuse changes affect listed companies and their boards?

Boards must approve robust insider‑dealing policies, ensure effective information barriers, maintain compliant insider lists and oversee rapid ad‑hoc disclosures. FINMA has expanded enforcement powers and can impose higher sanctions.

What practical steps should boards and in‑house counsel take now to comply?

Update insider and disclosure policies, adopt a management‑transaction reporting workflow, train relevant staff, test ad‑hoc disclosure controls with simulation exercises, and document all decisions in board minutes.

What triggers ad‑hoc disclosure under the new law?

Any inside information that, if made public, would likely have a material effect on the price of the issuer’s securities, including material M&A, earnings surprises, regulatory decisions and significant management changes.

Can boards delay ad‑hoc disclosure for ongoing negotiations?

Only in narrowly defined cases where immediate disclosure would prejudice legitimate interests, confidentiality can be maintained, and the delay would not mislead the public. All postponement decisions must be documented contemporaneously.

How should ESG disclosures be treated under market‑abuse rules?

Material ESG information must be assessed using the same inside‑information test as financial information. If publication would materially affect the share price, ad‑hoc disclosure obligations apply. Boards should integrate ESG into their disclosure framework.

Does the Swiss Code of Best Practice remain relevant after the 2026 reforms?

Yes. The Swiss Code of Best Practice for Corporate Governance, maintained by economiesuisse, continues to set aspirational governance standards that complement, but do not replace, statutory obligations. Listed companies are expected to apply the Code on a comply‑or‑explain basis in addition to meeting the new statutory requirements.

Corporate Governance Switzerland

Last updated: 27 July 2026

Corporate governance Switzerland is entering a new statutory era in 2026, as Parliament has embedded ad‑hoc disclosure and management‑transaction reporting directly into federal law while substantially strengthening the country’s market‑abuse regime. For boards, CEOs and general counsel at SIX‑listed issuers and large private groups, these Swiss corporate governance reforms 2026 mark a decisive shift from self‑regulation to hard‑law obligations backed by enforcement powers. The changes arrive alongside rising ESG disclosure expectations, creating a convergence of compliance pressures that demand immediate board‑level action. This guide distils the statutory landscape, identifies who is covered, and provides actionable checklists, timelines and model processes to help governance teams implement the new requirements with confidence.

Executive Summary: What Swiss Boards Must Know in 2026

The 2026 reforms affect every SIX‑listed company and a range of large private groups. Boards that fail to act promptly face enforcement risk from both FINMA and SIX Exchange Regulation. Below is a condensed overview of the changes, followed by the five highest‑priority actions for this quarter.

Three statutory facts at a glance:

Ad‑hoc disclosure is now statutory. The obligation to publicly disclose inside information without delay has been elevated from SIX listing rules into federal statute, giving FINMA direct enforcement authority.
Management‑transaction reporting is codified. Directors, senior management and closely associated persons must report transactions in the issuer’s securities within defined statutory deadlines.
Market‑abuse sanctions are strengthened. Insider dealing and market manipulation provisions carry enhanced penalties, and FINMA’s investigative toolkit has been expanded.

Top 5 actions this quarter:

Convene a board governance session to review and approve updated insider‑dealing and ad‑hoc disclosure policies.
Adopt a management‑transaction reporting workflow, identify all obligated persons and set up internal notification channels.
Update insider lists to meet the new statutory format and retention requirements.
Brief the CFO, investor‑relations team and general counsel on revised disclosure triggers and timing rules.
Engage external counsel to conduct a gap analysis against the new statutory provisions and document findings in board minutes.

What Changed in 2026: Statutory Overview of Swiss Corporate Governance Reforms

The 2026 legislative package represents the most significant overhaul of Switzerland’s capital‑markets governance framework in over a decade. Previously, ad‑hoc disclosure obligations and management‑transaction reporting were governed primarily by SIX Exchange Regulation’s listing rules, a self‑regulatory framework. The 2026 amendments transfer these obligations into federal legislation, principally through revisions to the Financial Market Infrastructure Act (FMIA) and supporting ordinances published on Fedlex. Concurrently, the market‑abuse provisions of the FMIA and the Criminal Code have been strengthened, bringing Switzerland closer to the standards set by the EU’s Market Abuse Regulation (MAR).

Key legislative instruments

The reforms draw on multiple statutory instruments. The revised FMIA provisions on market abuse, insider dealing and disclosure are the centrepiece. The Swiss Code of Obligations (CO) continues to define board duties, fiduciary obligations and organisational requirements, while the revised FMIA now explicitly addresses disclosure and transaction‑reporting obligations that previously sat within SIX’s rulebook. FINMA has issued accompanying guidance circulars clarifying supervisory expectations, and SIX Exchange Regulation has updated its listing rules to align with the new statutory framework.

Effective dates and transitional rules

Date	Change	Immediate action for boards
1 January 2026	Revised FMIA provisions on market abuse and insider dealing enter into force	Update insider‑dealing policy; brief audit committee
1 January 2026	Statutory ad‑hoc disclosure obligation takes effect for SIX‑listed issuers	Review and formalise ad‑hoc disclosure procedures
1 January 2026	Management‑transaction reporting codified in statute; reporting deadlines begin to run	Identify obligated persons; set up reporting workflow
Mid‑2026 (transitional)	Grace period for certain large private groups to implement management‑transaction reporting (where statutory threshold is first met)	Assess whether the group crosses the statutory threshold; if so, commence implementation
Ongoing 2026	FINMA issues supplementary guidance and enforcement priorities	Monitor FINMA publications; adjust policies as guidance evolves

The transitional period is deliberately short. Industry observers expect FINMA to signal early enforcement priorities during the first half of 2026 to ensure rapid market adoption. Boards should treat 1 January 2026 as the hard deadline for core obligations and use any remaining transitional flexibility only for ancillary processes.

Who Is Covered: Entities, Thresholds and Exemptions

Not every Swiss company faces the same obligations. The statute differentiates between listed issuers, large private groups and smaller enterprises. The comparison table below provides entity‑by‑entity guidance on which obligations apply under the new corporate governance Switzerland framework.

Reporting obligations by entity type (management transactions & ad‑hoc disclosure)

Entity type	Management‑transaction reporting (statutory?)	Ad‑hoc disclosure (statutory?)
Listed companies (SIX)	Yes, statutory reporting required. Directors, senior management and closely associated persons must notify the issuer and the competent authority of all transactions in the issuer’s securities within the prescribed deadline.	Yes, statutory ad‑hoc disclosure obligations apply. Inside information that would materially affect the share price must be disclosed to the public without delay.
Large private groups (exceeding statutory employee / turnover thresholds)	Only where the statutory threshold is met, boards must assess whether the group falls within scope. If the group has publicly traded debt instruments, management‑transaction reporting obligations may apply.	Typically not statutory for purely private groups, however, if the group has outstanding listed debt or is otherwise connected to public capital markets, ad‑hoc disclosure obligations may be triggered.
SMEs / private companies	Not usually covered by statute. Nonetheless, if the entity is a subsidiary of a listed parent, internal policies should mirror statutory requirements to ensure group‑level compliance.	Not statutory. Internal governance policies are recommended as best practice, particularly where the entity participates in group financing structures.

Listed companies (SIX‑listed)

SIX‑listed issuers bear the full weight of the new obligations. Both equity and debt issuers must comply with the statutory ad‑hoc disclosure and management‑transaction reporting regimes. SIX Exchange Regulation’s updated listing rules now serve as implementing provisions rather than standalone obligations, meaning non‑compliance triggers both regulatory consequences under SIX rules and potential statutory sanctions under the FMIA and, in serious cases, criminal liability.

Boards of listed companies should note that the definition of “closely associated persons” for management‑transaction reporting purposes is broad. It captures spouses, dependent children, and entities controlled by or for the benefit of obligated persons. Early identification of all persons within scope is critical to avoiding inadvertent non‑compliance.

Market‑Abuse Changes: Board Duties, Policies and Enforcement Risk

The strengthened market‑abuse rules represent a cornerstone of the 2026 corporate governance Switzerland reforms. Boards now have explicit statutory duties to implement organisational measures that prevent insider dealing and market manipulation. FINMA’s expanded enforcement toolkit, including higher sanctions and broader investigative powers, raises the stakes for non‑compliance significantly.

Insider list management

Under the revised FMIA, issuers must maintain comprehensive insider lists identifying every person with access to inside information, the date on which access was granted, and the specific information concerned. These lists must be kept in a format that allows prompt production to FINMA upon request. Boards should designate a responsible officer, typically the general counsel or compliance officer, to maintain and update insider lists in real time as projects and transactions evolve.

Key requirements for insider lists include:

Granularity. Each entry must identify the individual, their role, the date and time of access, and the nature of the inside information.
Retention. Lists must be retained for a minimum period following the information’s public disclosure or the project’s conclusion.
Acknowledgement. Each listed individual must acknowledge in writing their obligations regarding the handling of inside information.

Information barriers (Chinese walls)

Boards must ensure that effective information barriers exist between departments or teams that routinely handle inside information (such as corporate finance, M&A and investor relations) and those engaged in trading or advising on trading. The statute now requires issuers to document their information‑barrier arrangements and test their effectiveness periodically. Industry observers expect FINMA to pay close attention to information‑barrier documentation during supervisory reviews, making robust internal procedures essential.

Interaction with cross‑border markets

Swiss‑listed companies whose securities also trade on EU or other foreign exchanges face dual compliance obligations. The 2026 FMIA reforms align more closely with the EU MAR framework, which may simplify compliance for dual‑listed issuers in some respects. However, differences remain, particularly regarding the precise scope of delayed disclosure and the definitions of inside information. Boards of cross‑listed issuers should map both regimes side by side and adopt the more stringent standard to ensure compliance across jurisdictions.

Key takeaway for boards: Market abuse in Switzerland is no longer a matter of self‑regulatory best practice. It is a statutory obligation with real enforcement consequences. Boards must approve policies, monitor implementation and ensure that compliance resources are adequate.

Management‑Transaction Reporting in Switzerland: Step‑by‑Step Compliance Checklist

Management‑transaction reporting is one of the most operationally intensive obligations introduced by the 2026 reforms. Compliance requires a clear internal workflow, designated responsibilities and reliable record‑keeping. The following step‑by‑step checklist for Swiss companies provides a practical framework.

Notification timing and content

Under the new statutory framework, obligated persons must report transactions in the issuer’s securities within a prescribed number of business days following the transaction date. The notification must include:

The identity of the obligated person and their relationship to the issuer (director, senior manager, closely associated person).
A description of the financial instrument traded (equity, options, bonds, derivatives).
The nature of the transaction (purchase, sale, gift, inheritance, pledge).
The date, price and volume of the transaction.
The venue of the transaction (on‑exchange, off‑exchange, OTC).

Issuers must aggregate individual notifications and publish them in accordance with SIX Exchange Regulation’s procedural guidance, which now operates as implementing rules under the statutory framework.

Employer and director responsibilities

The duty to report falls on the individual obligated person, but the issuer bears an organisational duty to facilitate compliance. Practically, this means boards must:

Identify all obligated persons, maintain a current register of directors, senior management and closely associated persons.
Distribute a clear policy, issue a written management‑transaction reporting policy explaining who must report, what must be reported, when and how.
Provide templates, supply standard notification forms that capture all required data fields.
Designate a contact point, appoint a compliance officer or corporate secretary as the central point of contact for receiving, reviewing and transmitting notifications.
Train and remind, conduct annual training and issue periodic reminders, particularly around closed periods (pre‑results blackout windows).
Maintain records, retain copies of all notifications and the register of obligated persons for the statutory retention period.

Key takeaway for boards: The compliance checklist for Swiss companies should be embedded in the board’s annual governance calendar. A dedicated agenda item for management‑transaction reporting compliance at least twice per year ensures ongoing oversight.

Ad‑Hoc Disclosure in Switzerland: Triggers, Timing and Examples

Ad‑hoc disclosure Switzerland obligations require issuers to disclose inside information to the public without delay where that information is likely to have a material effect on the price of the issuer’s securities. The 2026 statutory codification does not fundamentally alter the substance of the obligation, which was well established under SIX listing rules, but it elevates the consequences of non‑compliance by placing the obligation on a statutory footing enforceable by FINMA.

Common triggers for ad‑hoc disclosure include:

M&A activity. Board approval of a material acquisition, merger or divestiture.
Earnings surprises. Significant deviations from published guidance or market consensus.
Regulatory decisions. Receipt of a material licence, approval or sanction from a regulator.
Management changes. Departure or appointment of key executives where the information is price‑sensitive.
Material litigation. Commencement or settlement of litigation with a potentially material financial impact.

Handling rumours and market leaks

When inside information leaks before planned disclosure, whether through media reporting, analyst speculation or social‑media activity, the issuer must assess immediately whether the leaked information is sufficiently accurate and complete to constitute inside information in the public domain. If so, formal ad‑hoc disclosure must follow without delay. Boards should pre‑approve a leak‑response protocol, designating the CFO or head of investor relations as the decision‑maker authorised to trigger immediate disclosure in consultation with the general counsel.

When to postpone disclosure

The new statutory framework permits delayed disclosure only in narrowly defined circumstances. A board may postpone ad‑hoc disclosure if:

The information relates to an ongoing process (such as a pending acquisition) where immediate disclosure would prejudice the issuer’s legitimate interests.
Confidentiality can be maintained, meaning the insider list is tightly controlled and no trading by insiders has occurred.
The delay would not mislead the public.

All postponement decisions must be documented contemporaneously, including the rationale, the list of persons aware of the information, and the expected timeline for disclosure. Early indications suggest FINMA will scrutinise postponement decisions closely during investigations, making thorough documentation essential.

ESG Disclosure, Corporate Governance Interplay and Investor Expectations

ESG disclosure in Switzerland is increasingly intertwined with the broader corporate governance framework. While the 2026 reforms do not create a standalone ESG disclosure statute, the interaction between ESG information and market‑abuse rules demands board attention. Material ESG information, such as a significant environmental incident, a regulatory finding on labour practices, or a governance failure, can constitute inside information, triggering the statutory ad‑hoc disclosure obligation.

Investor expectations reinforce this convergence. Institutional investors and proxy advisors increasingly evaluate issuers on the integration of ESG factors into governance structures, risk management and disclosure practices. The OECD’s corporate governance principles, which Switzerland broadly endorses, emphasise the importance of stakeholder‑relevant disclosure as a pillar of effective governance.

Integrating ESG into governance and controls

Boards should take the following steps to integrate ESG considerations into their corporate governance Switzerland framework:

Materiality assessment. Conduct a structured assessment of which ESG factors are material to the issuer’s business and could give rise to inside information.
Escalation protocol. Establish a clear escalation path from sustainability teams to the general counsel and board for ESG developments that may trigger ad‑hoc disclosure.
Training. Ensure investor‑relations and sustainability staff understand that material ESG information is subject to the same disclosure rules as financial information.
Reporting alignment. Align voluntary ESG reporting (such as sustainability reports) with the statutory disclosure calendar to avoid inadvertent selective disclosure of inside information.

Key takeaway for boards: ESG is no longer a separate communications workstream. Under the 2026 framework, material ESG information sits squarely within the ad‑hoc disclosure and market‑abuse perimeter.

Board Action Plan: 90/180/365‑Day Roadmap for Corporate Governance Switzerland Compliance

Translating the statutory changes into operational reality requires a phased implementation plan with clear ownership. The roadmap below assigns responsibilities and provides realistic timelines for boards and in‑house counsel.

Timeframe	Action item	Responsible owner
0–90 days	Conduct gap analysis: compare existing policies against new statutory requirements	General counsel / compliance
0–90 days	Update insider‑dealing policy and ad‑hoc disclosure procedures	General counsel, approved by board
0–90 days	Identify and register all obligated persons for management‑transaction reporting	Corporate secretary
0–90 days	Distribute updated policies and obtain written acknowledgements	Compliance / HR
90–180 days	Implement management‑transaction notification workflow (templates, contact point, IT system)	Compliance / CFO
90–180 days	Conduct training for board, senior management, IR, and finance on new obligations	General counsel
90–180 days	Test ad‑hoc disclosure procedures with a tabletop simulation exercise	Investor relations / general counsel
180–365 days	Conduct first annual review of insider lists, management‑transaction records and disclosure log	Compliance / audit committee
180–365 days	Integrate ESG materiality assessment into the disclosure framework	Sustainability / general counsel
180–365 days	Prepare board report on Year 1 compliance status and remediation plan for any identified gaps	General counsel, presented to board

Sample board resolution language: “The Board of Directors resolves to (i) approve the updated Insider Dealing Policy and Ad‑Hoc Disclosure Procedures as presented; (ii) delegate implementation to the General Counsel with quarterly progress reporting to the Audit Committee; and (iii) authorise the allocation of [budget] for external legal advice and compliance systems to support implementation of the 2026 statutory requirements.”

Need Legal Advice?

This article was produced by Global Law Experts. For specialist advice on this topic, contact Martin Eisenring at EISENRING Attorneys & Notaries, a member of the Global Law Experts network.

Practical Annexes and Resources

The following official resources should serve as the primary reference points for boards and compliance teams implementing the 2026 corporate governance Switzerland changes:

Statutory texts. The revised Financial Market Infrastructure Act and supporting ordinances are available on Fedlex, Switzerland’s official legal database.
Federal Council dispatches. Background materials, transitional provisions and official commentary are published on admin.ch.
Parliamentary history. Bill texts, committee reports and legislative debates are accessible via parlament.ch.
FINMA guidance. Supervisory expectations, enforcement notices and guidance circulars are published on finma.ch.
SIX Exchange Regulation. Updated listing rules, ad‑hoc disclosure templates and procedural guidance are available from SIX Exchange Regulation.
SECO corporate governance guidance. The Swiss Code of Best Practice and practical government guidance are hosted on the KMU portal.
International benchmarks. The OECD’s corporate governance country reviews, including Switzerland, are available from the OECD corporate governance hub.