of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Director — Ian T. Clark: Ian T. Clark resigned from the board of directors.

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Director — Scott Morrison: Scott Morrison resigned from the Board, and Andrew C. Chan, M.D., Ph.D., was appointed as a new director.

Entry into a Material Definitive Agreement. On March 13, 2026, the Company entered into an Amended and Restated Open Market Sale Agreement SM (the “Amended Sales Agreement”), with Jefferies LLC (“Jefferies”), to sell shares of the Company’s common stock, par value $0.0001 per share (“Common Stock”), from time to time through Jefferies acting as sales agent, having a maximum aggregate offering price of up to $200,000,000. The Amended Sales Agreement amends and restates that certain Open Market…

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Other Events. On January 21, 2026, Corvus Pharmaceuticals, Inc. (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with Jefferies LLC and Goldman Sachs & Co. LLC, as representatives (the “Representatives”) of the several underwriters named therein (collectively, the “Underwriters”), relating to the sale and issuance in an underwritten public offering (the “Offering”) by the Company of 7,900,677 shares (the “Shares”) of its common stock, $0.0001 par value per…

Other Events. On January 20, 2026, in connection with the proposed registered underwritten public offering, Corvus Pharmaceuticals, Inc. (the “Company”) notified Jefferies LLC (“Jefferies”) that it has suspended the offering of any shares of its common stock, par value $0.0001 per share, pursuant to the prospectus supplement filed with the Securities and Exchange Commission (the “SEC”) on August 6, 2024 under the Company’s shelf Registration Statement on Form S-3 (File No. 333-281318) which b…

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Director — David Moore: David Moore was appointed as a Class III director and joined the Compensation Committee and Nominating Committee.

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Other Events. On June 4, 2025, the Company announced new interim data from the randomized, double-blind, placebo-controlled Phase 1 clinical trial evaluating soquelitinib in patients with moderate to severe atopic dermatitis. The data includes 28-day follow up results for all patients in cohort 3 and continues to show earlier and deeper responses in cohort 3 (200 mg twice per day, total daily dose 400 mg) compared to cohorts 1 and 2 (100 mg twice per day and 200 mg once per day, total daily d…

Other Events. On May 8, 2025, the Company announced interim new data from the randomized, double-blind, placebo-controlled Phase 1 clinical trial evaluating soquelitinib in patients with moderate to severe atopic dermatitis. The data demonstrated a favorable safety and efficacy profile, including earlier and deeper responses in cohort 3 (200 mg twice per day, total daily dose 400 mg) compared to cohorts 1 and 2 (100 mg twice per day and 200 mg once per day, total daily dose 200 mg). Overall,…

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Director — Richard van den Broek: Mr. van den Broek was appointed as a Class II director and joined the Audit Committee and Nominating Committee.

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Other Events. On January 13, 2025, the Company announced new interim data from the randomized, double-blind, placebo-controlled Phase 1 clinical trial evaluating soquelitinib in patients with moderate to severe atopic dermatitis. Soquelitinib Interim Data from the Atopic Dermatitis Phase 1 Clinical Trial The Company is reporting results from 16 patients in Cohort 1 (12 patients in the soquelitinib group receiving 100 mg orally twice per day vs. four receiving placebo) and 10 patients in Cohor…

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Entry into Material Definitive Agreement. On October 22, 2024, Corvus Pharmaceuticals, Inc. , a Delaware corporation (the “ Company ”) entered into a sub-sublease agreement (the “ Lease ”) with NewLimit, Inc., a Delaware corporation (the “ Sublandlord ”), pursuant to which the Company will lease approximately 20,916 square feet of office space located at 901 Gateway Boulevard, South San Francisco, California 94080 (the “ Premises ”). The Premises is the subject of a sublease agreement by and…

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Entry Into a Material Definitive Agreement. On May 1, 2024, Corvus Pharmaceuticals, Inc. (the “Company”) entered into a Securities Purchase Agreement (the “Purchase Agreement”) with the investors named therein, including the Company’s chief executive officer and certain of the Company’s existing institutional investors, including investors affiliated with certain of the Company’s directors (collectively, the “Investors”). Pursuant to the Purchase Agreement, the Company agreed to issue and sel…

of this Form 8-K and the Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Director — Edith P. Mitchell, M.D.: The director passed away.

Results of Operations and Financial Condition. On November 7, 2023, Corvus Pharmaceuticals, Inc. issued a press release regarding, among other matters, its financial results for the three and nine months ended September 30, 2023 and its financial position as of September 30, 2023, and provided a business update. A copy of the press release is furnished as Exhibit 99.1 to this Form 8-K.