Company Overview - Molecular Partners is a clinical-stage biotech company founded in 2004, with operations and listings in Switzerland (SIX, 2014) and the US (Nasdaq, 2021)[12] - The company is financed with approximately USD 116 million / CHF 93 million to reach upcoming value inflection points[12] - Molecular Partners focuses on oncology with differentiated assets like MP0712 (targeted radiotherapy) and MP0533 (next-gen immune cell engagers)[12] Radio-DARPin Therapeutics (RDT) - The company is developing Radio-DARPin therapeutics, which are designed for precise delivery of potent radio-isotopes to tumors[26, 27] - Molecular Partners has a global partnership with Orano Med to develop 212Pb Radio-DARPin therapeutics, with a 50:50 cost and share split for 4 programs[33, 36] - MP0712, a 212Pb x DLL3 Radio-DARPin, is in Phase 1/2a clinical trials in the US for small cell lung cancer (SCLC) and other neuroendocrine cancers (NECs), with early data expected in 2026[43, 77] - Preclinical data for MP0712 shows high tumor accumulation (Tumor > Kidney) and reduction of established tumors in mice[51] - MP0726, a 212Pb x MSLN Radio-DARPin, is being developed for ovarian cancer and is progressing towards first-in-human (FIH) imaging[86, 94] Other Pipeline Programs - MP0317, a FAP-localized CD40 agonist, is in a Phase 2 combo study in advanced biliary tract cancer, with interim analysis expected by YE 2027[104, 117, 123] - MP0533, a tetra-specific T-cell engager for AML, is in Phase 1/2a, with decisional data expected in H1 2026[124] - The company is developing Switch-DARPin platform for next-generation T cell engagers, with a lead candidate selection expected in H1 2026 and an update at AACR 2026[99, 140] Financial Outlook - The company's cash of approximately USD 116 million (CHF 93 million) ensures funding until 2028[99]

Core Insights - Molecular Partners AG is advancing its clinical-stage pipeline of DARPin therapeutics, focusing on targeted radiotherapy and immune cell engagers, with significant milestones expected in 2026 [1][20]. Financial Overview - As of December 31, 2025, the company reported cash and cash equivalents of CHF 93.1 million, sufficient to fund operations until 2028 [3]. Clinical Development Updates - The Phase 1/2a trial for MP0712, a Radio-DARPin targeting DLL3 for small cell lung cancer (SCLC), has commenced, with initial patient dosing expected in Q1 2026 and initial clinical data anticipated in the same year [2][4][7]. - MP0726, another Radio-DARPin targeting mesothelin (MSLN) for ovarian cancer, is also in development, with preclinical data presented at the 2025 SNMMI meeting [6]. - An investigator-initiated Phase 2 trial for MP0317 in cholangiocarcinoma is ongoing, with the first patient treated in early 2026 [10][11]. - MP0533, a tetra-specific T cell engager for acute myeloid leukemia (AML), is in a Phase 1/2a trial, with updates on its clinical development expected in H1 2026 [12][14]. Scientific Advisory Board - The formation of a scientific advisory board, chaired by Prof. Ken Herrmann, aims to accelerate the development of targeted radiotherapeutics [8]. DARPin Technology - Molecular Partners' DARPin therapeutics are designed for high specificity and stability, enabling effective delivery of radioactive payloads to tumors while minimizing damage to healthy tissues [19].

Core Insights - Molecular Partners AG has established a Scientific Advisory Board (SAB) for its radiopharmaceuticals, chaired by Prof. Ken Herrmann, a leading expert in nuclear medicine [1][4]. Group 1: Scientific Advisory Board Formation - The SAB will guide the development of Molecular Partners' Radio-DARPin platform, focusing on transitioning from early clinical validation to strategic clinical development [3][5]. - Prof. Ken Herrmann expressed enthusiasm for the potential of Radio-DARPins to deliver targeted radiopharmaceuticals effectively [2][8]. Group 2: Radio-DARPin Technology - Molecular Partners' Radio-DARPin candidates, including MP0712 and MP0726, are designed to target specific tumor markers, with MP0712 aimed at DLL3 for small cell lung cancer and MP0726 targeting mesothelin in various cancers [8]. - The technology aims to balance the delivery of potent radioactive payloads to tumors while minimizing damage to healthy tissues [8]. Group 3: Expertise of SAB Members - The SAB includes experts such as James Cook, Jason Lewis, and Michael Morris, who bring extensive clinical and industry experience to support the company's strategic development [5][6]. - Ken Herrmann's leadership is expected to be crucial in shaping the company's direction as it moves towards pivotal development decisions [5].

Pipeline Highlights - MP0712 (212Pb x DLL3) IND-enabling studies completed, IND filed[15] - Strategic collaboration with Orano Med expanded to ten 212Pb programs[15] - Lead candidate MP0726 targeting mesothelin (MSLN) nominated based on pre-clinical data[15] - Improved response rate and antitumor activity in low disease burden patients of ongoing Phase 1/2a reported for MP0533 at EHA 2025[15] - Study protocol approved for combo IIT with standard-of-care in cholangiocarcinoma for Switch-DARPin MP0317[15] Financial Position - The company has CHF ~105 million in cash as of September 30, 2025[8, 15] - The company is financed until 2028 through key value inflection points[8] MP0712 Radio-DARPin Therapy - MP0712 induces complete and durable tumor regression in NCI-H82 tumor model at 10 µCi injected every week[27] - Phase 1 study is expected to start in H2 2025, with initial safety and efficacy data in 2026[32] MP0533 Tetra-specific T-cell Engager for AML - In DR 8, 3 of 8 evaluable patients responded after cycle 1: 1 CR and 2 CRh as best overall response[62] - In DR 1-7, 12% (4) patients had response rate, while in DR 8, 37.5% (3) patients had response rate[69]

Core Insights - Molecular Partners AG is making significant progress in its clinical programs, particularly with MP0712 and MP0533, with key milestones expected in the near future [2][6] - The company has appointed Martin Steegmaier, Ph.D., as Chief Scientific Officer, enhancing its leadership team [2][15] - Financially, the company is in a strong position with cash reserves projected to last until 2028 [2][19] Research & Development Highlights - MP0533 is in a Phase 1/2a trial for acute myeloid leukemia, showing promising results with over 30% of evaluable patients achieving a clinical response [3][4] - The dosing regimen for MP0533 has been optimized to enhance patient responses, with initial data from cohort 9 expected in Q4 2025 [5][6] - MP0712, a Radio-DARPin therapy for small cell lung cancer, is preparing for an IND filing, with initial clinical data anticipated in H1 2026 [8][9] Corporate Governance Highlights - The appointment of Martin Steegmaier, Ph.D., as CSO is aimed at strengthening the company's focus on oncology drug development [15] - A strategic review led to a planned reduction of up to 40 positions, which is expected to improve operational efficiency and extend the cash runway into 2028 [16] Financial and Business Outlook - For 2025, the company expects total operating expenses between CHF 55-65 million, with a significant portion being non-cash costs [18] - As of June 30, 2025, cash and cash equivalents totaled CHF 114 million, sufficient to fund operations into 2028 [19]