OPEN MARKET SALE AGREEMENTSM October 5, 2023 Exhibit 10.1 Equillium, Inc., a Delaware corporation (the "Company"), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time through Jefferies LLC, as sales agent and/or principal (the "Agent"), shares of the Company's common stock, par value $0.0001 per share (the "Common Shares"), on the terms set forth in this agreement (this "Agreement"). Section 1. DEFINITIONS (a) Certain Definitions. For purposes of this Agreement, ...