0000950170-24-074833.txt : 20240618 0000950170-24-074833.hdr.sgml : 20240618 20240618160503 ACCESSION NUMBER: 0000950170-24-074833 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240615 FILED AS OF DATE: 20240618 DATE AS OF CHANGE: 20240618 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DENNER ALEXANDER J CENTRAL INDEX KEY: 0001361754 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34620 FILM NUMBER: 241051684 MAIL ADDRESS: STREET 1: C/O SARISSA CAPITAL MANAGEMENT LP STREET 2: 660 STEAMBOAT ROAD, 3RD FLOOR CITY: GREENWICH STATE: CT ZIP: 06830 FORMER NAME: FORMER CONFORMED NAME: Denner Alexander J DATE OF NAME CHANGE: 20060504 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sarissa Capital Management LP CENTRAL INDEX KEY: 0001577524 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34620 FILM NUMBER: 241051683 BUSINESS ADDRESS: STREET 1: 660 STEAMBOAT ROAD CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 203-302-2330 MAIL ADDRESS: STREET 1: 660 STEAMBOAT ROAD CITY: GREENWICH STATE: CT ZIP: 06830 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: IRONWOOD PHARMACEUTICALS INC CENTRAL INDEX KEY: 0001446847 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences 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 ownership.xml 4 X0508 4 2024-06-15 0001446847 IRONWOOD PHARMACEUTICALS INC IRWD 0001361754 DENNER ALEXANDER J C/O IRONWOOD PHARMACEUTICALS, INC. 100 SUMMER STREET, SUITE 2300 BOSTON MA 02110 true false true false 0001577524 Sarissa Capital Management LP 660 STEAMBOAT ROAD 3RD FLOOR GREENWICH CT 06830 false false true false false Class A Common Stock 2024-06-15 4 A false 2572 0 A 124511 D Class A Common Stock 16390000 I See Footnote Issued pursuant to the Second Amended and Restated Non-employee Director Compensation Policy, effective January 1, 2024. Consists of shares that are held by Sarissa Capital Management LP ("Sarissa Capital") or by the funds and other investment vehicles (the "Sarissa Funds") for which Sarissa Capital serves as investment advisor. Dr. Denner is the Chief Investment Officer of Sarissa Capital and the managing member, general partner or other control party of the Sarissa Funds. By virtue of the foregoing, Dr. Denner may be deemed to indirectly beneficially own the shares that these funds directly beneficially own. Each of Sarissa Capital, the Sarissa Funds and Dr. Denner disclaims beneficial ownership of these shares except, in each case, to the extent of their pecuniary interest therein. SARISSA CAPITAL MANAGEMENT LP, By: /s/ Mark DiPaolo, Name: Mark DiPaolo, Title: Senior Partner, General Counsel 2024-06-18 /s/ Alexander Denner 2024-06-18