ACIU AC Immune SA

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

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For the month of May, 2024

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Commission file number: 001-37891

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AC IMMUNE SA

(Exact Name of Registrant as Specified in Its Charter)

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EPFL Innovation Park

Building B

1015 Lausanne, Switzerland

(Address of Principal Executive Offices)

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Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

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Form 20-F ☒     Form 40-F ☐

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This Report on Form 6-K (excluding Exhibit 99.3 hereto) shall be deemed to be incorporated by reference into the registration statements on Form F-3 (File Nos. 333-227016, 333-249655, 333-255576 and 333-277940) and Form S-8 (File Nos. 333-213865, 333-216539 and 333-233019) of AC Immune SA and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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EXHIBIT INDEX

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Exhibit 99.1

Condensed Consolidated Balance Sheets (Unaudited)

(In CHF thousands)

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The accompanying notes are an integral part of these Interim Condensed Consolidated Financial Statements (Unaudited).

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Condensed Consolidated Statements of Income/(Loss) (Unaudited)

(In CHF thousands, except for per-share data)

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Condensed Consolidated Statements of Comprehensive Income/(Loss) (Unaudited)

(In CHF thousands)

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The accompanying notes are an integral part of these Interim Condensed Consolidated Financial Statements (Unaudited).

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Condensed Consolidated Statements of Changes in Equity (Unaudited)

(In CHF thousands)

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The accompanying notes are an integral part of these Interim Condensed Consolidated Financial Statements (Unaudited).

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Condensed Consolidated Statements of Cash Flows (Unaudited)

(In CHF thousands)

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The accompanying notes are an integral part of these Interim Condensed Consolidated Financial Statements (Unaudited).

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Notes to the Interim Condensed Consolidated Financial Statements (Unaudited)
(In CHF thousands, except share and per share amounts)

AC Immune SA was founded in 2003. The Company controls a fully-owned subsidiary, AC Immune USA, Inc. (“AC Immune USA” or “Subsidiary” and, together with AC Immune SA, “AC Immune,” “ACIU,” “Company,” “we,” “our,” “ours,” “us”), which was organized under the laws of Delaware, USA in June 2021. The Company and its Subsidiary form the Group.

AC Immune SA is a clinical-stage biopharmaceutical company leveraging our two proprietary technology platforms to discover, design and develop novel proprietary medicines and diagnostics for prevention and treatment of neurodegenerative diseases (NDD) associated with protein misfolding. Misfolded proteins are generally recognized as the leading cause of NDD, such as Alzheimer’s disease (AD) and Parkinson’s disease (PD), with common mechanisms and drug targets, such as amyloid beta (Abeta), Tau, alpha-synuclein (a-syn) and TDP-43. Our corporate strategy is founded upon a three-pillar approach that targets (i) AD, (ii) focused non-AD NDD including Parkinson’s disease, ALS and NeuroOrphan indications and (iii) diagnostics. We use our two unique proprietary platform technologies, SupraAntigen (conformation-specific biologics) and Morphomer (conformation-specific small molecules), to discover, design and develop novel medicines and diagnostics to target misfolded proteins.

The Interim Condensed Consolidated Financial Statements of AC Immune SA as of and for the three months ended March 31, 2024 were authorized for issuance by the Company’s Audit and Finance Committee on May 12, 2024.

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Statement of compliance

These Interim Condensed Consolidated Financial Statements as of March 31, 2024 and for the three months ended March 31, 2024 and 2023, have been prepared in accordance with International Accounting Standard 34 (IAS 34), Interim Financial Reporting, as issued by the International Accounting Standards Board (IASB), and such financial information should be read in conjunction with the audited consolidated financial statements in AC Immune’s Annual Report on Form 20-F for the year ended December 31, 2023.

Basis of measurement

These Interim Condensed Consolidated Financial Statements have been prepared under the historical cost convention.

Functional and reporting currency

These Interim Condensed Consolidated Financial Statements and accompanying notes are presented in Swiss Francs (CHF), which is AC Immune SA’s functional currency and the Group’s reporting currency. The Company’s subsidiary has a functional currency of the U.S. Dollar (USD). The following exchange rates have been used for the translation of the financial statements of AC Immune USA:

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Critical judgments and accounting estimates

The preparation of the Company’s Interim Condensed Consolidated Financial Statements in conformity with IAS 34 requires management to make judgments, estimates and assumptions that affect the amounts reported in the Interim Condensed Consolidated Financial Statements and accompanying notes, and the related application of accounting policies as it relates to the reported amounts of assets, liabilities, income and expenses.

The areas where AC Immune has had to make judgments, estimates and assumptions relate to (i) revenue recognition on Licensing and Collaboration Agreements (LCAs), (ii) clinical development accruals, (iii) net employee defined benefit liability, (iv) share-based compensation, (v) right-of-use assets and lease liabilities and (vi) our IPR&D asset (intangible asset). Actual results may differ from these estimates. Estimates and underlying assumptions are reviewed on an ongoing basis. Revisions to accounting estimates are recognized in the period in which the estimates are revised and in any future periods affected.

Fair value of financial assets and liabilities

The Company’s financial assets and liabilities are composed of receivables, short-term financial assets, cash and cash equivalents, trade payables and lease liabilities. The fair value of these financial instruments approximates their respective carrying values due to the short-term maturity of these instruments, and are held at their amortized cost in accordance with IFRS 9, unless otherwise explicitly noted.

Accounting policies, new standards, interpretations and amendments adopted by the Company

The accounting policies adopted in the preparation of the Interim Condensed Consolidated Financial Statements are consistent with those followed in the preparation of the Company’s annual consolidated financial statements for the year ended December 31, 2023.

There are no new IFRS standards, amendments or interpretations that are mandatory as of January 1, 2024 that are relevant to the Company. Additionally, in April 2024, the IASB issued IFRS 18 Presentation and Disclosure in Financial Statements (IFRS 18). The new standard on presentation and disclosure in the financial statements will change the structure of the statement of profit or loss, require disclosures for certain profit or loss performance measure that are reported outside of the financial statements, and will enhance principles on aggregation and disaggregation within the notes to the financial statements. This new standard will be effective for annual reporting periods beginning on January 1, 2027 and will require retroactive adoption. The Company is currently evaluating the new standard to determine if it will have a material impact on the Company’s financial statements.

Going concern

The Company believes that it will be able to meet all of its obligations as they fall due for at least 12 months from the filing date of this Form 6-K, after considering the Company’s cash position of CHF 57.0 million and short-term financial assets of CHF 47.8 million as of March 31, 2024. Hence, these unaudited Interim Condensed Consolidated Financial Statements have been prepared on a going-concern basis.

To date, the Company has financed its cash requirements primarily from its public offerings, share issuances, contract revenues from its LCAs and grants. The Company is a clinical stage company and is exposed to all the risks inherent to establishing a business. Inherent to the Company’s business are various risks and uncertainties, including the substantial uncertainty as to whether current projects will succeed and our ability to raise additional capital as needed. These risks may require us to take certain measures such as delaying, reducing or eliminating certain programs. The Company’s success may depend in part upon its ability to (i) establish and maintain a strong patent position and protection, (ii) enter into collaborations with partners in the pharmaceutical and biopharmaceutical industries, (iii) successfully move its product candidates through clinical development, (iv) attract and retain key personnel and (v) acquire capital to support its operations.

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For the three months ended March 31, 2024 and 2023, AC Immune generated no contract revenues.

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3.1Licensing and collaboration agreements

For a discussion of our licensing and collaboration agreements for the fiscal year ended December 31, 2023, please refer to Note 14.1 “Licensing and Collaboration agreements” of our Annual Report on Form 20-F for the year ended December 31, 2023 filed on March 14, 2024.

On January 22, 2024, the Company announced that it will regain all global rights to the anti-amyloid beta antibody crenezumab and the anti-Tau antibody semorinemab following termination of the collaboration agreements with Genentech, a member of the Roche Group, and Roche, which termination was effective in April 2024.

3.2Grant income

Grants from the Michael J. Fox Foundation

For a discussion of our Grants from the Michael J. Fox Foundation (MJFF) for the fiscal year ended December 31, 2023, please refer to Note 14.2 “Grant Income” of our Annual Report on Form 20-F for the year ended December 31, 2023 filed on March 14, 2024.

For the three months ended March 31, 2024 and 2023, the Company has recognized less than CHF 0.1 million and CHF 0.4 million in grant income, respectively. As of March 31, 2024, the balance in deferred income is nil.

4.Loss per share

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The weighted-average number of potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows:

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5.Property, plant and equipment

The following table shows the movement in the net book values of property, plant and equipment for the three months ended March 31, 2024:

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AC Immune continues to enhance its laboratory equipment to support its R&D functions. This effort has continued since the year ended December 31, 2023, with CHF 0.2 million invested in lab equipment, representing an increase of 1.6% from the beginning of the year in this category.

6.Right-of-use assets, long-term financial assets and lease liabilities

AC Immune recognized no additions for its right-of-use of leased assets for the three months ended March 31, 2024.

Regarding lease liabilities, the amortization depends on the rate implicit in the contract or the incremental borrowing rate for the respective lease component. The weighted averages of the incremental borrowing rates are 3.5% for buildings, 5.3% for office equipment and 2.6% for IT equipment, respectively.

The following table shows the movements in the net book values of right-of-use of leased assets for the three months ended March 31, 2024:

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There are no variable lease payments that are not included in the measurement of lease obligations. All extension options have been included in the measurement of lease obligations.

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For the three months ended March 31, 2024, and 2023, the impact on the Company’s condensed consolidated statements of income/(loss) and the condensed consolidated statements of cash flows is as follows:

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The following table presents the contractual undiscounted cash flows for lease obligations as of March 31, 2024:

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The Company also has deposits in escrow accounts totaling CHF 0.4 million for leases of the Company’s premises as of both March 31, 2024 and December 31, 2023, respectively. These deposits are presented in Long-term financial assets on the Company’s condensed consolidated balance sheets.

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7.Accrued expenses

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Accrued expenses consists of accrued R&D costs, accrued payroll expenses and other accrued expenses totaling CHF 10.5 million and CHF 11.1 million as of March 31, 2024 and December 31, 2023, respectively.

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8.Intangible assets

AC Immune’s acquired IPR&D asset is a clinically-validated active vaccine candidate for the treatment of Parkinson’s disease. The asset is not yet ready for use until the asset obtains market approval and is therefore not currently being amortized. The carrying amount and net book value are detailed below:

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In accordance with IAS 36 Impairment of Assets, the IPR&D asset is reviewed at least annually for impairment by assessing the fair value less costs to sell (recoverable amount) and comparing this to the carrying value of the asset. The valuation is considered to be Level 3 in the fair value hierarchy in accordance with IFRS 13 Fair Value Measurement due to unobservable inputs used in the valuation. The Company has determined the IPR&D asset not to be impaired as of

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December 31, 2023. As of March 31, 2024, the Company did not identify any triggering events that could result in an impairment of the IPR&D asset.

9.Prepaid expenses

Prepaid expenses include prepaid R&D costs, administrative costs, and employee social obligations totaling CHF 3.9 million and CHF 6.4 million as of March 31, 2024 and December 31, 2023, respectively.

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10.Cash and cash equivalents and short-term financial assets

The following table summarizes AC Immune’s cash and cash equivalents and short-term financial assets as of March 31, 2024 and December 31, 2023:

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For the three months ended March 31, 2024, the net investments associated with the short-term financial assets amounted to CHF 23.3 million, compared to net proceeds associated with the maturity of investments of CHF 43.0 million in the prior comparable period.

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11.Accounts receivable

As of March 31, 2024, the balance of accounts receivable is nil following the receipt of the CHF 14.8 million milestone payment from Janssen, which was due as of December 31, 2023 under our collaboration and license agreement for achieving the targeted launch of the Phase 2b clinical study.

12.Treasury shares

For a discussion of our at the market offering program with Jefferies LLC for the fiscal year ended December 31, 2023, please refer to Note 12 “Share capital” of our Annual Report on Form 20-F for the year ended December 31, 2023 filed on March 14, 2024.

As of March 31, 2024 and December 31, 2023, the Company had 5,236,012 and 5,243,958 treasury shares remaining, respectively.

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13.Finance result, net

For the three months ended March 31, 2024 and 2023, AC Immune recorded CHF 2.2 million and CHF 0.1 million in net financial gains, respectively. The increase is primarily related to favorable foreign currency exchange differences related to movement in the CHF versus foreign currencies, predominantly the US Dollar, and the transition from negative to positive interest rates for our interest-bearing deposit accounts.

14.Subsequent events

Management has evaluated subsequent events after the balance sheet date, through the issuance of these Interim Condensed Consolidated Financial Statements, for appropriate accounting and disclosures.

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On May 11, 2024, the Company entered into a Worldwide Exclusive Option and License Agreement for its Anti-Amyloid Beta Active Immunotherapy, ACI-24.060 for Alzheimer’s Disease with Takeda Pharmaceuticals USA, Inc. (Takeda). Under the terms of the agreement, the Company will receive an upfront payment of USD 100 (CHF 91) million from Takeda and be eligible to receive payments of up to approximately USD 2.1 (CHF 1.9) billion including an Option exercise fee in the low-to-mid hundred million USD and potential development, commercial and sales-based milestone payments. The Company is also eligible to receive tiered mid-to-high teens percentages royalties on worldwide net sales. The Company will be responsible for completing the Phase 1b/2 ABATE trial. Takeda will have an undisclosed defined period of time to exercise its option after receiving predefined clinical data on the first three AD patient cohorts from the ABATE study. Following option exercise, Takeda will conduct and fund all further clinical development and be responsible for all global regulatory activities as well as worldwide commercialization.

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Exhibit 99.2

MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

This management’s discussion and analysis is designed to provide you with a narrative explanation of our financial condition and results of operations. We recommend that you read this in conjunction with our unaudited interim condensed consolidated financial information as of and for the three months ended March 31, 2024, included as Exhibit 99.1 to this Report on Form 6-K. We also recommend that you read our management’s discussion and analysis and our audited consolidated financial statements and the notes thereto, which appear in our Annual Report on Form 20-F for the year ended December 31, 2023 on file with the U.S. Securities and Exchange Commission (the “SEC”).

Unless otherwise indicated or the context otherwise requires, the terms “Company,” “AC Immune,” “ACIU,” “we,” “our,” “ours,” or “us” refer to AC Immune SA together with its fully-owned subsidiary, AC Immune USA, Inc.

We prepare and report our consolidated financial statements and financial information in accordance with International Financial Reporting Standards (IFRS) Accounting Standards as issued by the International Accounting Standards Board (IASB). None of our consolidated financial statements were prepared in accordance with generally accepted accounting principles in the United States. We maintain our books and records in Swiss Francs (CHF). We have made rounding adjustments to some of the figures included in this management’s discussion and analysis. Accordingly, numerical figures shown as totals in some tables may not be an arithmetic aggregation of the figures that precede them. Unless otherwise indicated, all references to currency amounts in this discussion and analysis are in Swiss Francs.

This discussion and analysis is dated as of May 13, 2024.

Business overview

Our goal is to continue leveraging our proprietary discovery platforms, SupraAntigen and Morphomer, to shift the treatment paradigm for neurodegenerative diseased towards Precision Medicine and disease prevention. We are executing a clear business strategy built on three pillars: (i) accelerate development of novel therapeutics in Alzheimer’s disease (AD) with our partners; (ii) expand our strategic focus on Parkinson’ disease (PD) and non-AD neurodegenerative diseases, including NeuroOrphan indications and limbic-predominant age-related TDP-43 encephalopathy (LATE); and (iii) a continued focus on diagnostics enabling Precision Medicine to be an ultimate differentiator for the Company.

Our three-pillar execution strategy reflects our unique Precision Medicine approach, which ultimately creates differentiation due to our ability to address the high levels of co-pathologies present in AD and other neurodegenerative diseases. Much like cancer, neurodegenerative diseases are heterogeneous and may require multiple therapeutic interventions tailored to patients’ specific disease drivers, to be used in combination in order to slow or stop the disease course. Ultimately, it is our belief that Precision Medicine will increase the chance of treatment success by enabling clinical trial participants to be better defined by their various proteinopathies, allowing for treatment with the right therapies at the right time.

Leveraging our dual proprietary technology platforms, SupraAntigen and Morphomer, we have built a comprehensive pipeline of first-in-class or best-in-class candidates spanning multiple treatment modalities and targeting both established and emerging neurodegenerative pathologies. We are currently advancing 16 therapeutic and diagnostic programs, with one in a Phase 3 clinical trial and five in Phase 2 clinical trials, targeting five different types of misfolded pathological proteins related to AD, PD and other neurodegenerative disorders. Our pipeline assets are further validated by the multiple partnerships we have established with leading global pharmaceutical companies. We believe our clinically validated technology platforms and multi-target, multimodal approach position AC Immune to revolutionize the treatment paradigm for neurodegenerative diseases by shifting it towards Precision Medicine and disease prevention.

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Our clinical-stage product candidates include:

ABATE is a multicenter, adaptive, double-blind, randomized, placebo-controlled study designed to assess the safety, tolerability, immunogenicity, and pharmacodynamic effects of ACl-24.060 in subjects with prodromal AD and in adults with Down Syndrome (DS). The CTA has been approved by the UK Medicines and Healthcare Products Regulatory Agency (MHRA) and Spanish Agency for Medicines and Health Products (AEMPS) with the first AD patient dosed in June 2022. In June 2023, AC Immune received Fast Track designation from the FDA for ACI-24.060, for the treatment of AD. This followed FDA clearance of the Investigational New Drug (IND) application in May 2023 enabling the initiation of the ABATE study to include clinical trial sites to enroll participants with DS in the U.S. Based on the safety profiling and induction of an antibody response post-dosing of ACI-24.060 in patients with AD, dosing of the first individual with DS occurred in June 2023.

As announced on May 13, 2024, this program is the subject of an exclusive option and license agreement with Takeda Pharmaceuticals USA, Inc. (Takeda). Under the terms of the agreement, AC Immune will receive an upfront payment of USD 100 (CHF 91) million from Takeda and is eligible to receive payments of up to approximately USD 2.1 (CHF 1.9) billion including an Option exercise fee in the low-to-mid hundred million USD and potential development, commercial and sales-based milestone payments. Further details related to the agreement are available on the Current Report on Form 6-K furnished by the Company on May 13, 2024 with the SEC.

In addition to ACI-35.030, an exploratory alternative pTau active immunotherapy candidate, JACI-35.054, was also evaluated in the Phase 1b/2a trial. It generated a more varied antibody response (anti-pTau, anti-ePHF and anti-Tau IgG) after the second injection (at week 10) at the 2 tested doses. While there was no apparent dose-effect between the 2 tested doses, a higher variability of titers was observed at the low dose. A boosting effect was seen against pathological Tau and non-phosphorylated Tau species from the 2nd injection. For JACI-35.054, there was a lower extent of specific antibody response against pathological Tau species compared to non-phosphorylated Tau as observed with ACI-35.030. Both ACI-35.030 and JACI-35.054 showed good safety and tolerability profiles. The majority of adverse events (AEs) were of mild intensity. No death was reported. No AE led to study discontinuation or to study treatment discontinuation. The injection site reactions were one

of the most frequently reported AEs in actively treated subjects. Serious adverse events (SAEs) mainly observed in subjects treated with ACI-35.030, did not appear to have any particular relationship to the dose.

Consequently, ACI-35.030 (JNJ-64042056) that is selective for pathological phosphorylated Tau (pTau) is being advanced and will be assessed in subjects with preclinical (i.e., pre-symptomatic) AD in a Phase 2b study in which the first patient will be dosed in H1 2024. The trial will randomize approximately 500 participants with confirmed early-stage Tau pathology, who will be treated over a four-year period. The trial will include interim analyses potentially allowing for acceleration towards a regulatory filing.

Q1 2024 Company highlights

Results of operations

Comparison of the three months ended March 31, 2024 and 2023

Contract revenue

The Company generated no contract revenues for the three months ended March 31, 2024 and 2023, respectively.

Research and development expenses

Research and development (R&D) activities are essential to our business and represent the majority of our costs incurred. Costs for certain development activities, such as clinical trials, are recognized based on an evaluation of the progress to completion of specific tasks using information from the clinical sites and our vendors. Our collaboration agreements have different arrangements to share costs for the development of our product candidates.

We have completed our co-development costs with Janssen for the Phase 1b/2a studies for our active immunotherapy, ACI-35.030 and JACI-35.054. AC Immune and Janssen will jointly share research and development costs for the first Phase 2b (however, AC Immune’s contribution to the first Phase 2b trial is capped (and remaining costs for AC Immune are non-material)). From Phase 2b and onwards, Janssen will assume responsibility for the clinical development, manufacturing and commercialization.

We intend to increase our R&D costs associated with the advancement of our active immunotherapies, ACI-24.060 targeting Abeta in AD and AD in DS and ACI-7104.056 targeting a-syn in PD, through mid- and late-stage clinical development, as well as through investments in our diagnostic programs.

Finally, we intend to further advance the characterization of our other clinical and preclinical candidates, such as our Morphomer Tau program. In addition to the collaborative arrangements and proprietarily held assets, we expect that our total future R&D costs will increase over current levels, in line with our three-pillar strategy that focuses on (i) AD, (ii) expansion in PD and non-AD neurodegenerative diseases, including NeuroOrphan indications and LATE and (iii) diagnostics.

The table below provides a breakdown of our R&D costs, including direct R&D costs, manufacturing costs related to R&D and other R&D costs not allocated directly to programs for the periods covered by these Interim Condensed Consolidated Financial Statements. The R&D costs not allocated to specific programs include employment costs, regulatory, quality assurance and intellectual property costs. We do not assign our internal costs, such as salary and benefits, share-based compensation expenses, laboratory supplies, and other direct expenses and infrastructure costs to individual R&D projects, because the employees within our R&D groups are typically deployed across multiple R&D programs.

For the three months ended March 31, 2024, R&D expenses totaled CHF 15.2 million compared with CHF 13.9 million for the comparable period in 2023. This represents an increase of CHF 1.3 million. The following table presents the R&D expenses during the three months ended March 31, 2024 and 2023:

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For the three months ended March 31, 2024:

Clinical expenses increased by CHF 2.0 million, primarily due to:

The variances in Group function expenses relate to regulatory and quality assurance, and intellectual property costs.

The variances in Other non-allocated expenses relate to infrastructure and functional expenses not allocated to direct R&D expenses.

Total salaries and related costs increased by CHF 0.2 million, primarily due to:

General and administrative expenses

General and administrative expenses consist of salaries and related costs, including share-based compensation, professional fees such as legal and accounting related services, infrastructure expenses and other operating expenses.

For the three months ended March 31, 2024, general and administrative expenses totaled CHF 5.0 million compared with CHF 4.1 million for the comparable period in 2023. This represents an increase of CHF 0.9 million. The following table presents the general and administrative expenses during the three months ended March 31, 2024 and 2023:

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For the three months ended March 31, 2024, the increase of CHF 0.9 million in general and administrative expenses is primarily due to:

Other operating income/(expense), net

Other operating income/(expense), net consists primarily of income associated with foundation grants such as those from the MJFF or Target ALS.

For the three months ended March 31, 2024, other operating income/(expense), net totaled CHF 0.1 million compared with CHF 0.4 million for the comparable period in 2023. This represents a decrease of CHF 0.3 million. The following table presents the other operating income/(expense), net during the three months ended March 31, 2024 and 2023:

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For the three months ended March 31, 2024, the decrease of CHF 0.3 million in grant income is primarily due to activities completed prior to the start of the current period related to our MJFF awards.

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Finance result, net

For the three months ended March 31, 2024, finance result, net totaled to CHF 2.2 million gain compared with a gain of CHF 0.1 million for the comparable period in 2023. This represents an increase of CHF 2.1 million. The following table presents the finance result, net during the three months ended March 31, 2024 and 2023:

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For the three months ended March 31, 2024, the change in net finance result of CHF 2.1 million primarily related to:

Liquidity and capital resources

To date, the Company has financed its cash requirements primarily from its public offerings, share issuances, contract revenues from license and collaboration agreements (LCAs) and grants. The Company is a clinical stage company and is exposed to all the risks inherent to establishing a business. Inherent to the Company’s business are various risks and uncertainties, including the substantial uncertainty as to whether current projects will succeed and our ability to raise additional capital as needed. These risks may require us to take certain measures such as delaying, reducing or eliminating certain programs. The Company’s success may depend in part upon its ability to (i) establish and maintain a strong patent position and protection, (ii) enter into collaborations with partners in the pharmaceutical and biopharmaceutical industries, (iii) successfully move its product candidates through clinical development, (iv) attract and retain key personnel and (v) acquire capital to support its operations. As of March 31, 2024, we had cash and cash equivalents of CHF 57.0 million and short-term financial assets of CHF 47.8 million for a total liquidity balance of CHF 104.8 million.

Our primary uses of capital are, and we expect will continue to be, R&D expenses, compensation and related expenses and other operating expenses including rent. Cash and cash equivalents used to fund operating expenses are impacted by the timing of when we pay expenses, as reflected in the change in our outstanding trade and other payables and accrued expenses. We expect to incur substantial expenses in connection with our product candidates in various stages of clinical development. We and Janssen have completed the co-development of the second-generation lead active immunotherapies, ACI-35.030 and JACI-35.054, through Phase 1b/2a. In November 2022, it was announced that ACI-35.030 was selected to advance into further development based on interim data from the ongoing Phase 1b/2a trial. In December 2023, it was announced that Janssen has programmed the launch of a Phase 2b clinical study to evaluate ACI-35.030 (JNJ-64042056) in patients with preclinical AD, those individuals not yet showing symptoms. AC Immune and Janssen will jointly share research and development costs until the completion of the first Phase 2b, however AC Immune’s contribution to the first Phase 2b trial is capped (and remaining costs for AC Immune are non-material). From Phase 2b and onwards, Janssen will assume responsibility for the clinical development, manufacturing and commercialization of ACI-35.030. We intend to increase our R&D costs associated with the advancement of our active immunotherapies, ACI-24.060 targeting Abeta in AD and AD in DS and ACI-7104.056 targeting a-syn in PD, through mid- and late-stage clinical development, as well as through investments in our diagnostic programs.

We plan to continue to fund our operating and capital funding needs through proceeds received from licensing and collaboration agreements (LCAs) and through equity or other forms of financing. For example, in Q3 2020 we entered into the Open Market Sale Agreement (Sale Agreement) with Jefferies LLC (Jefferies), which provides that, upon the terms and subject to the conditions and limitations set forth in the Sale Agreement, we may elect to issue and sell, from time to time, shares of our common shares having an aggregate offering price of up to USD 80.0 (CHF 73.1) million through Jefferies acting as our sales agent. We replaced this Sale Agreement in Q2 2021 to continue the ATM program. Under the new Sale Agreement, Jefferies may sell the shares of common shares by any method permitted by law deemed

to be an “at the market offering” as defined under the Securities Act of 1933, as amended, in privately negotiated transactions with our consent or in block transactions. Jefferies will use commercially reasonable efforts to sell the shares of common shares subject to the new Sales Agreement from time to time, consistent with its normal sales and trading practices, on mutually agreed terms. We will pay Jefferies a commission of up to 3.0% of the gross sales proceeds of any common shares sold through Jefferies under the new Sales Agreement. We are not obligated to make any sales of common shares under the new Sales Agreement.

We may also consider entering into additional LCAs and selectively partnering for clinical development and commercialization.

Cash flows

The following table summarizes AC Immune’s cash flows for the periods indicated:

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