0000874015-25-000161.txt : 20250717 0000874015-25-000161.hdr.sgml : 20250717 20250717165438 ACCESSION NUMBER: 0000874015-25-000161 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250715 FILED AS OF DATE: 20250717 DATE AS OF CHANGE: 20250717 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: YANG MICHAEL J. CENTRAL INDEX KEY: 0001702283 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19125 FILM NUMBER: 251131242 MAIL ADDRESS: STREET 1: C/O IONIS PHARMACEUTICALS, INC. STREET 2: 2855 GAZELLE COURT CITY: CARLSBAD STATE: CA ZIP: 92010 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: IONIS PHARMACEUTICALS INC CENTRAL INDEX KEY: 0000874015 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 330336973 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2855 GAZELLE COURT CITY: CARLSBAD STATE: CA ZIP: 92010 BUSINESS PHONE: 7609319200 MAIL ADDRESS: STREET 1: 2855 GAZELLE COURT CITY: CARLSBAD STATE: CA ZIP: 92010 FORMER COMPANY: FORMER CONFORMED NAME: ISIS PHARMACEUTICALS INC DATE OF NAME CHANGE: 19930328 4 1 edgardoc.xml PRIMARY DOCUMENT X0508 4 2025-07-15 0 0000874015 IONIS PHARMACEUTICALS INC IONS 0001702283 YANG MICHAEL J. 2855 GAZELLE COURT CARLSBAD CA 92010 1 0 0 0 0 Common Stock 2025-07-15 4 M 0 4079 0.0 A 6010 D Restricted Stock Unit 0.0 2025-07-15 4 M 0 4079 0.0 D Common Stock 4079 9080 D Acquired pursuant to vesting and release of shares in accordance with a Restricted Stock Unit award. Each Restricted Stock Unit represents a contingent right to receive one share of Ionis common stock, or its equivalent cash value. Restricted Stock Units vest 100% on either the first anniversary of the date of grant or the next regularly scheduled annual meeting of stockholders of the Company, whichever occurs earlier, and are delivered to the reporting person on the July 15th following the vesting date. Upon vesting, the Restricted Stock Units will be paid in whole shares of Ionis common stock or cash as may be determined by the Company. By: Patrick R. O'Neil, attorney-in-fact For: Michael J. Yang 2025-07-17