0000874015-25-000172.txt : 20250805 0000874015-25-000172.hdr.sgml : 20250805 20250805172800 ACCESSION NUMBER: 0000874015-25-000172 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250804 FILED AS OF DATE: 20250805 DATE AS OF CHANGE: 20250805 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Schneider Eugene CENTRAL INDEX KEY: 0001838539 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19125 FILM NUMBER: 251186297 MAIL ADDRESS: STREET 1: C/O IONIS PHARMACEUTICALS STREET 2: 2855 GAZELLE CT 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 2025-08-04 0 0000874015 IONIS PHARMACEUTICALS INC IONS 0001838539 Schneider Eugene 2855 GAZELLE COURT CARLSBAD CA 92010 0 1 0 0 EVP, Chf Clinical Develop Ofcr 1 Common Stock 2025-08-04 4 S 0 9549 42.8004 D 51507 D Shares sold pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on May 2, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.315 to $43.45 inclusive. The reporting person undertakes to provide to Ionis Pharmaceuticals, Inc., any security holder of Ionis Pharmaceuticals, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) on this Form 4. By: Patrick R. O'Neil, attorney-in-fact For: Eugene Schneider 2025-08-05