Ironwood(IRWD) - 2021 Q1 - Quarterly Report

FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 100 Summer Street, Suite 2300 Boston, Massachusetts 02110 (Address of Principal Executive Offices) (Zip Code) (617) 621-7722 (Registrant's telephone number, including area code) For the quarterly period ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT O ...