0001209191-23-047842.txt : 20230831 0001209191-23-047842.hdr.sgml : 20230831 20230831160507 ACCESSION NUMBER: 0001209191-23-047842 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230829 FILED AS OF DATE: 20230831 DATE AS OF CHANGE: 20230831 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Silver Ronald CENTRAL INDEX KEY: 0001873731 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34620 FILM NUMBER: 231229012 MAIL ADDRESS: STREET 1: 100 SUMMER STREET STREET 2: SUITE 2300 CITY: BOSTON STATE: MA ZIP: 02110 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: IRONWOOD PHARMACEUTICALS INC CENTRAL INDEX KEY: 0001446847 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 043404176 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 100 SUMMER STREET, SUITE 2300 CITY: BOSTON STATE: MA ZIP: 02110 BUSINESS PHONE: 617-621-7722 MAIL ADDRESS: STREET 1: 100 SUMMER STREET, SUITE 2300 CITY: BOSTON STATE: MA ZIP: 02110 4 1 doc4.xml FORM 4 SUBMISSION X0508 4 2023-08-29 0 0001446847 IRONWOOD PHARMACEUTICALS INC IRWD 0001873731 Silver Ronald C/O IRONWOOD PHARMACEUTICALS, INC. 100 SUMMER STREET SUITE 2300 BOSTON MA 02110 0 1 0 0 Principal Accounting Officer 0 Class A Common Stock 2023-08-29 4 A 0 8000 0.00 A 142172 D The restricted stock unit award, granted as a recognition award, vests as to 50% of the shares of Class A Common Stock on each approximate anniversary of the grant thereof. /s/ Brian Tessler, Attorney-in-Fact 2023-08-31