QURE uniQure NV

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM 8-K

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CURRENT REPORT

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Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

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Date of Report (Date of earliest event reported): July 9, 2024

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uniQure N.V.

(Exact Name of Registrant as Specified in Charter)

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Registrant’s telephone number, including area code: +31-20-566-7394

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(Former Name or Former Address, if Changed Since Last Report)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

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☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

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☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

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☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

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☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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Securities registered pursuant to Section 12(b) of the Act:

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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Emerging growth company ☐

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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Item 7.01 Regulation FD Disclosure.

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On July 9, 2024, uniQure N.V. (the “Company”) issued a press release announcing updates on its ongoing clinical trials of AMT-130, as described in more detail in Item 8.01 below. The Company also announced that it will host an investor call and webcast beginning at 8:30 a.m. Eastern Time on the same date, during which the Company will discuss these interim updates. A copy of the press release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The virtual event can be accessed via the Events and Presentations section of the Company’s website at https://www.uniqure.com/investors-media/events-presentations, and will be available for replay for 90 days following the event. The Company’s website and any information contained on the website are not incorporated into this Current Report on Form 8-K.

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The information provided in this Item 7.01, including the accompanying Exhibit 99.1, shall be deemed “furnished” and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of such section, nor shall it be incorporated by reference in any filing made by the Company pursuant to the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, regardless of the general incorporation language of such filing, except to the extent that such filing incorporates by reference any or all of such information by express reference.

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Item 8.01 Other Events.

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On July 9, 2024, the Company announced updated interim data from its ongoing clinical trials of AMT-130, a one-time administered investigational gene therapy for the treatment of Huntington’s disease. The interim data include follow-up data from patients enrolled in the Company’s two ongoing multi-center, dose-escalating Phase I/II clinical trials in the U.S. and Europe as of a March 31, 2024 cut-off date.

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In the U.S. trial, 26 patients with early manifest Huntington’s disease were randomized to treatment (6 low-dose patients, 10 high-dose patients) or an imitation (sham) surgical procedure (10 patients). The U.S. trial consists of a blinded 12-month core patient study period followed by an unblinded long-term follow-up period of five years. An additional four control patients crossed over to treatment. In the European trial, 13 patients with early manifest Huntington’s disease were enrolled and treated with AMT-130 (6 low-dose patients, 7 high-dose patients). A third cohort of up to 12 patients is currently being enrolled between U.S. and European sites to explore both doses of AMT-130 in combination with immunosuppression.

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The combined U.S. and European interim data discussed in Item 8.01 of this Current Report on Form 8-K are subject to a March 31, 2024 cut-off date and do not include outcome or biomarker data from the control patients who have crossed over to treatment with AMT-130 following the 12-month core study period. Across both studies, 24-month follow-up data from a total of 21 patients (12 low dose patients, 9 high-dose patients) were available for analysis as of the cut-off date.

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The Company conducted a post-hoc statistical analysis of clinical outcomes for the 21 treated patients at 24 months compared to a propensity-weighted external control cohort developed in collaboration with the Cure Huntington’s Disease Initiative (CHDI) using data from the TRACK-HD, TRACK-ON and PREDICT-HD natural history studies. The external control cohort includes 154 patients that met the Phase I/II clinical trial eligibility criteria and whose data contributions were statistically weighted using propensity scoring to closely match the baseline characteristics of patients treated with AMT-130. Disease-related outcomes for these cohorts were then compared after 24 months of follow-up and are summarized below. Measures of statistical significance in this analysis are based on nominal p values and are unadjusted.

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Forward-Looking Statements

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This Current Report on Form 8-K contains forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. All statements other than statements of historical fact are forward-looking statements, which are often indicated by terms such as "anticipate," "believe," "could," “establish,” "estimate," "expect," "goal," "intend," "look forward to", "may," "plan," "potential," "predict," "project," “seek,” "should," "will," "would" and similar expressions and the negatives of those terms. Forward-looking statements are based on management's beliefs and assumptions and on information available to management only as of the date of this report. Examples of these forward-looking statements include, but are not limited to, statements concerning: the potential clinical and functional effects of AMT-130; the potential for accelerated regulatory pathways; the Company’s use of a natural history cohort as a basis for comparison with respect to the efficacy of AMT-130; the Company’s enrollment plans with respect to the third cohort studying AMT-130 in combination with immunosuppression; and the utility of NfL in CSF as an effective biomarker and indicator of clinical severity. The Company’s actual results could differ materially from those anticipated in these forward-looking statements for many reasons. These risks and uncertainties include, among others: risks related to the Company’s Phase I/ll clinical trials of AMT-130, including the risk that such trials will be unable to demonstrate data sufficient to support further clinical development and the risk that interim data from the trials may not be predictive of later data readouts; risks related to the Company’s ability to pursue business development efforts with respect to AMT-130; risks related to the Company’s interactions with regulatory authorities, which may affect the initiation, timing and progress of clinical trials and pathways to regulatory approval; risks related to the Company’s use of propensity-weighted external controls in connection with its statistical analysis of clinical outcomes to date, and whether regulatory authorities will accept the Company’s approach as a basis for accelerated approval; risks related to the Company’s use of nominal p values as a basis for its statistical analyses; whether the measurements that the Company is evaluating continue to be viewed as robust and sensitive measurements of disease progression; whether RMAT designation or any accelerated pathway, if granted, will lead to regulatory approval; the Company’s ability to conduct and fund a Phase III or confirmatory study for AMT-130; the Company’s ability to continue to build and maintain the infrastructure and personnel needed to achieve its goals; the Company’s effectiveness in managing current and future clinical trials and regulatory processes; the Company’s ability to demonstrate the therapeutic benefits of its gene therapy candidates in clinical trials; the continued development and acceptance of gene therapies; the Company’s ability to obtain, maintain and protect its intellectual property; and the Company’s ability to fund its operations and to raise additional capital as needed and on acceptable terms. These risks and uncertainties are more fully described under the heading "Risk Factors" in the Company’s periodic filings with the U.S. Securities &

Exchange Commission (“SEC”), including its Annual Report on Form 10-K filed with the SEC on February 28, 2024 and in other filings that the Company makes with the SEC from time to time. Given these risks, uncertainties and other factors, you should not place undue reliance on these forward-looking statements and, except as required by law, the Company assumes no obligation to update these forward-looking statements, even if new information becomes available in the future.

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Item 9.01 Financial Statements and Exhibits.

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(d)Exhibits.

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SIGNATURES

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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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uniQure Announces Positive Interim Data Update Demonstrating Slowing of Disease Progression in Phase I/II Trials of AMT-130 for Huntington’s Disease

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~ Achieved statistically significant, dose-dependent, and durable evidence of potential therapeutic benefit; Patients receiving high-dose AMT-130 showed 80% slowing of disease progression in the composite Unified Huntington’s Disease Rating Scale (cUHDRS) at 24 months compared to a propensity score- weighted external control ~

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~ Achieved statistically significant lowering of CSF neurofilament light protein (NfL) compared to baseline at 24 months in patients treated with AMT-130; Mean CSF NfL levels for both doses were below baseline at 24 months ~

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~ Granted first-ever Regenerative Medicine Advanced Therapy (RMAT) designation in Huntington’s disease; uniQure expects to meet with the FDA in the second half of 2024 to discuss potential for expedited clinical development ~

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~ Investor conference call and webcast today at 8:30 a.m. ET ~

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Lexington, MA and Amsterdam, the Netherlands, July 9, 2024 — uniQure N.V. (NASDAQ: QURE), a leading gene therapy company advancing transformative therapies for patients with severe medical needs, today announced updated interim data including up to 24 months of follow-up data from 29 treated patients enrolled in the ongoing U.S. and European Phase I/II clinical trials of AMT-130 for the treatment of Huntington’s disease.

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“We are very pleased with these new data demonstrating a statistically significant, dose-dependent slowing of the progression of Huntington’s disease and lowering of NfL in the CSF at 24 months,” stated Walid Abi-Saab, M.D., chief medical officer of uniQure. “We believe this is the first clinical trial of any investigational medicine for Huntington’s disease to show evidence of a potential long-term clinical benefit and reduction of a key marker of neurodegeneration. Moreover, given the one-time administration of AMT-130, we are in a unique position to continue accumulating longer-term patient outcomes from the Phase I/II studies to support the emerging therapeutic benefit. We look forward to holding an initial, multi-disciplinary RMAT meeting with the FDA later this year to discuss the potential for expedited clinical development of AMT-130.”

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“These updated results are exciting and provide compelling evidence of potential therapeutic benefit,” stated Victor Sung, M.D., professor of neurology at the University of Alabama at Birmingham (UAB), director of the UAB Huntington’s Disease Clinic, co-director of the UAB School of Medicine Neuroscience Module, and trustee on the National Board of the Huntington’s Disease Society of America. “The preservation of motor and cognitive function observed through two years, combined with reduced NfL levels below baseline, defy expectations about the natural progression of Huntington’s disease. cUHDRS, in particular, has been shown to be a robust and sensitive measure of disease progression, and offers an opportunity for enhanced clinical trial efficiency relative to individual measurements. These long-term data provide encouraging support of durable disease-modification and offer much needed hope for a community that is in desperate need of therapeutic options.”

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Exploratory Efficacy and Safety Data¹

¹ All p-values are nominal and unadjusted. Statistical comparisons of patients treated with AMT-130 to the propensity score- weighted external control were conducted on a post-hoc basis.

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uniQure is conducting two multi-center Phase I/II clinical trials of AMT-130 in the U.S. (n=26) and Europe/UK (n=13). A total of 29 patients received one of two doses of AMT-130 (n=12 low dose; n=17 high dose) and 10 control patients received imitation surgery. Across both studies, 24-month follow-up data from a total of 21 patients (n=12 low dose; n=9 high dose) were available for analysis as of a March 31, 2024 cut-off date.

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For the first time, uniQure conducted a statistical analysis of clinical outcomes for the 21 treated patients at 24 months compared to an expanded, propensity-weighted external control (n=154) developed in collaboration with the Cure Huntington’s Disease Initiative (CHDI) using data from the TRACK-HD, TRACK-ON and PREDICT-HD natural history studies. The external control includes patients that met the Phase I/II clinical trial eligibility criteria, and whose data contributions were statistically weighted using propensity scoring to closely match the baseline characteristics of patients treated with AMT-130. Disease-related outcomes for these well-balanced cohorts were then compared after 24 months follow-up.

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Next Steps

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Based on the encouraging data from this interim analysis, uniQure anticipates the following next steps:

² Tabrizi SJ, et al. Neurology. 2019; 92(15).

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Investor Conference Call and Webcast Information

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uniQure management will host an investor conference call and webcast today, Tuesday, July 9 at 8:30 a.m. ET. The event will be webcast under the Events & Presentations section of uniQure’s website at https://www.uniqure.com/investors-media/events-presentations, and following the event a replay will be archived for 90 days. Interested parties participating by phone will need to register using this online form. After registering for dial-in details, all phone participants will receive an auto-generated e-mail containing a link to the dial-in number along with a personal PIN number to use to access the event by phone. If you are joining the conference call, please dial in 15 minutes before the start time.

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About the Phase I/II Clinical Program of AMT-130

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uniQure is conducting two multi-center, dose-escalating, Phase I/II clinical trials to explore the safety, tolerability, and exploratory efficacy signals of AMT-130 for the treatment of Huntington’s disease. In the U.S. study, a total of 26 patients with early manifest Huntington’s disease were randomized to treatment (n=6 low-dose; n=10 high dose) or an imitation (sham) surgical procedure (n=10). Treated patients received a single administration of AMT-130 through MRI-guided, convection-enhanced stereotactic neurosurgical delivery directly into the striatum (caudate and putamen). The study consists of a blinded 12-month core study period followed by unblinded long- term follow-up of treated patients for five years. An additional four control patients crossed over to treatment.

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The European open-label Phase Ib/II study of AMT-130 enrolled 13 patients with early manifest Huntington’s disease (n=6 low dose; n=7 high dose). Together with the U.S. study, the European study is intended to establish safety, proof of concept, and the optimal dose of AMT-130 to take forward into Phase III development or into a confirmatory study should an accelerated registration pathway be feasible.

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A third cohort of up to 12 patients is currently being enrolled between both U.S. and EU sites to explore both doses of AMT-130 in combination with immunosuppression and using the current, established stereotactic administration procedure.

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Additional details are available on www.clinicaltrials.gov (NCT0543017, NCT04120493)

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AMT-130 was granted the FDA’s Regenerative Medicine Advanced Therapy (RMAT) designation, the first for Huntington’s disease.

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About Huntington’s Disease

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Huntington’s disease is a rare, inherited neurodegenerative disorder that leads to motor symptoms including chorea, behavioral abnormalities and cognitive decline resulting in progressive physical and mental deterioration. The disease is an autosomal dominant condition with a disease-causing CAG repeat expansion

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in the first exon of the huntingtin gene that leads to the production and aggregation of abnormal protein in the brain. According to 2021 study in Neuroepidemiology, approximately 70,000 people have been diagnosed with Huntington’s disease in the U.S. and Europe, with hundreds of thousands of others at risk of inheriting the disease. Despite the clear etiology of Huntington’s disease, there are currently no approved therapies to delay the onset or to slow the disease’s progression.

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About uniQure

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uniQure is delivering on the promise of gene therapy – single treatments with potentially curative results. The approvals of uniQure’s gene therapy for hemophilia B – an historic achievement based on more than a decade of research and clinical development – represent a major milestone in the field of genomic medicine and ushers in a new treatment approach for patients living with hemophilia. uniQure is now advancing a pipeline of proprietary gene therapies for the treatment of patients with Huntington's disease, refractory temporal lobe epilepsy, ALS, Fabry disease, and other severe diseases. www.uniQure.com

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uniQure Forward-Looking Statements

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This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements other than statements of historical fact are forward-looking statements, which are often indicated by terms such as "anticipate," "believe," "could," “establish,” "estimate," "expect," "goal," "intend," "look forward to", "may," "plan," "potential," "predict," "project," “seek,” "should," "will," "would" and similar expressions and the negatives of those terms. Forward-looking statements are based on management's beliefs and assumptions and on information available to management as of the date of this press release. Examples of these forward-looking statements include, but are not limited to, statements concerning: the Company’s plans to meet with regulatory authorities to discuss the potential for expedited clinical development; the timing of the Company’s planned meeting and discussions with regulatory authorities; the Company’s ability to continue accumulating long-term patient data; the potential clinical and functional effects of AMT-130; the Company’s plans to continue clinical development of AMT-130; the potential for accelerated regulatory pathways; the Company’s use of a natural history cohort as a basis for comparison with respect to the efficacy of AMT-130; the Company’s enrollment plans with respect to the third cohort studying AMT-130 in combination with immunosuppression and plans to present safety data from this cohort; the utility of NfL in CSF as an effective biomarker and indicator of clinical severity; and the Company’s plans to present further interim analyses. The Company’s actual results could differ materially from those anticipated in these forward-looking statements for many reasons. These risks and uncertainties include, among others: risks related to the Company’s Phase I/ll clinical trials of AMT-130, including the risk that such trials will be unable to demonstrate data sufficient to support further clinical development and the risk that interim data from the trials may not be predictive of later data readouts; risks related to the Company’s ability to pursue business development efforts with respect to AMT-130; risks related to the Company’s interactions with regulatory authorities, which may affect the initiation, timing and progress of clinical trials and pathways to regulatory approval; risks related to the Company’s use of propensity-weighted external controls in connection with its statistical analysis of clinical outcomes to date, and whether regulatory authorities will accept the Company’s approach as a basis for accelerated approval; risks related to the Company’s use of nominal p values as a basis for its statistical analyses; whether the measurements that the Company is evaluating continue to be viewed as robust and sensitive measurements of disease progression; whether RMAT designation or any accelerated pathway, if granted, will lead to regulatory approval; the Company’s ability to conduct and fund a Phase III or confirmatory study for AMT-130; the Company’s ability to continue to build and maintain the infrastructure and personnel needed to achieve its goals; the Company’s effectiveness in managing current and future clinical trials and regulatory processes; the Company’s ability to demonstrate the therapeutic benefits of its gene therapy candidates in clinical trials; the continued development and acceptance of gene therapies; the Company’s ability to obtain, maintain and protect its intellectual property; and the Company’s ability to fund its operations and to raise additional capital as needed and on acceptable terms. These risks and

uncertainties are more fully described under the heading "Risk Factors" in the Company’s periodic filings with the U.S. Securities & Exchange Commission (SEC), including its Annual Report on Form 10-K filed with the SEC on February 28, 2024 and in other filings that the Company makes with the SEC from time to time. Given these risks, uncertainties and other factors, you should not place undue reliance on these forward-looking statements and, except as required by law, the Company assumes no obligation to update these forward-looking statements, even if new information becomes available in the future.

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