UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 Securities registered pursuant to Section 12(b) of the Act: FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________________ to __________________ Commission File Number: 001-41008 IO Biotech, Inc. (Exa ...

Exhibit 99.1 IO Biotech Reports Third Quarter 2024 Financial Results and Provides Business Highlights • Pivotal Phase 3 trial (IOB-013/KN-D18) evaluating of -the-shelf therapeutic cancer vaccine IO102-IO103 in combination with Merck's anti-PD-1 therapy KEYTRUDA® (pembrolizumab) in patients with advanced melanoma on track with primary endpoint of progression free survival (PFS) projected to be reached in first half of 2025 • Primary endpoint met in Phase 2 basket trial (IOB-022/KN-D38) cohort evaluating IO10 ...

Pivotal Phase 3 trial (IOB-013/KN-D18) evaluating off-the-shelf therapeutic cancer vaccine IO102-IO103 in combination with Merck’s anti-PD-1 therapy KEYTRUDA® (pembrolizumab) in patients with advanced melanoma on track with primary endpoint of progression free survival (PFS) projected to be reached in first half of 2025Primary endpoint met in Phase 2 basket trial (IOB-022/KN-D38) cohort evaluating IO102-IO103 in combination with pembrolizumab in the first-line treatment of advanced squamous cell carcinoma o ...

-- Metastatic non-small cell lung cancer (NSCLC) patients treated in the first line setting with IO102-IO103 in combination with Keytruda® demonstrated promising activity with an overall response rate of 55% unconfirmed/48% confirmed, disease control rate of 81%, and approximately 50% of patients without disease progression at 12 months; median duration of response not reached -- -- Safety profile consistent with prior studies with the combination, showing no unexpected toxicities compared to anti-PD1 monot ...

-- Study Meets Overall Response Rate Primary Endpoint, Encouraging Secondary Endpoint Progression-Free Survival Data in Squamous Cell Carcinoma of the Head and Neck Cohort -- -- No New Safety Signals or Added Systemic Safety Concerns Observed -- -- Data Presented at the European Society for Medical Oncology (ESMO) Congress -- NEW YORK, Sept. 14, 2024 (GLOBE NEWSWIRE) -- IO Biotech (Nasdaq: IOBT), a clinical-stage biopharmaceutical company developing novel, off-the-shelf, immune-modulating therapeutic cancer ...

- Based on a per-protocol interim analysis of safety and efficacy data, the Independent Data Monitoring Committee (IDMC) recommended that the trial continue without modifications - No new safety signals observed at interim analysis - Primary endpoint of progression free survival projected to be reached in the first half of 2025 NEW YORK, Aug. 30, 2024 (GLOBE NEWSWIRE) -- IO Biotech (Nasdaq: IOBT), a clinical-stage biopharmaceutical company developing novel, off-the-shelf, immune-modulating therapeutic cance ...

NEW YORK, Aug. 26, 2024 (GLOBE NEWSWIRE) -- IO Biotech (Nasdaq: IOBT), a clinical-stage biopharmaceutical company developing novel, immune-modulating therapeutic cancer vaccines based on its Twin® platform, today announced that members of its senior management team will provide a corporate update and participate in one-on-one meetings at the following upcoming investor conferences: Event: Morgan Stanley 22nd Annual Global Healthcare Conference Location: New York, New York Fireside Chat Date & Time: Wednesda ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________________ to __________________ Commission File Number: 001-41008 IO Biotech, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 87-09 ...

Exhibit 99.1 IO Biotech Reports Second Quarter 2024 Financial Results and Provides Business Highlights • Phase 3 interim analysis outcome still expected in Q3 2024 for the overall response rate (ORR) in the pivotal trial (IOB-013/KN-D18) of lead investigational therapeutic cancer vaccine, IO102-IO103, in combination with Merck's anti-PD-1 therapy KEYTRUDA® (pembrolizumab) in patients with advanced melanoma; outcome of primary endpoint of progression free survival (PFS) expected in first half of 2025 • Compl ...

Phase 3 interim analysis outcome still expected in Q3 2024 for the overall response rate (ORR) in the pivotal trial (IOB-013/KN-D18) of lead investigational therapeutic cancer vaccine, IO102-IO103, in combination with Merck's anti-PD-1 therapy KEYTRUDA® (pembrolizumab) in patients with advanced melanoma; outcome of primary endpoint of progression free survival (PFS) expected in first half of 2025 Completed enrollment in Phase 2 basket trial IOB-022/KN-D38 evaluating IO102-IO103 in combination with pembroliz ...