Mailing Address 2855 GAZELLE COURT CARLSBAD CA 92010
Business Address 2855 GAZELLE COURT CARLSBAD CA 92010 7609319200
IONIS PHARMACEUTICALS INC CIK#: 0000874015 (see all company filings)

SIC: 2834 - PHARMACEUTICAL PREPARATIONS
State location: CA | State of Inc.: CA | Fiscal Year End: 1231
formerly: ISIS PHARMACEUTICALS INC (filings through 2015-12-18)
(CF Office: 03 Life Sciences)
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Items 1 - 40  0000874015 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000874015-25-000123 (34 Act)  Size: 8 MB
2025-04-30 000-19125
25894677
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001140361-25-016562 (34 Act)  Size: 524 KB
2025-04-30 000-19125
25892200
ARS  Documents Annual Report to Security Holders
Acc-no: 0001140361-25-015774 (34 Act)  Size: 12 MB
2025-04-25 000-19125
25874538
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001140361-25-015772 (34 Act)  Size: 7 MB
2025-04-25 000-19125
25874515
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001140361-25-015771 (34 Act)  Size: 13 MB
2025-04-25 000-19125
25874502
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001576419-25-000762 (34 Act)  Size: 11 KB
2025-04-17 005-41771
25844719
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0001140361-25-008178 (34 Act)  Size: 184 KB
2025-03-12 000-19125
25729693
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000874015-25-000089 (34 Act)  Size: 17 MB
2025-02-19 000-19125
25639940
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001140361-25-005080 (34 Act)  Size: 624 KB
2025-02-19 000-19125
25637915
SCHEDULE 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001422849-25-000016 (34 Act)  Size: 7 KB
2025-02-13 005-41771
25621208
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001897612-25-000055 (34 Act)  Size: 7 KB
2025-02-07 005-41771
25600296
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000932471-25-000029 (34 Act)  Size: 6 KB
2025-01-08 005-41771
25517189
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001140361-24-050057 (34 Act)  Size: 199 KB
2024-12-20 000-19125
241567361
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001193125-24-259051 (34 Act)  Size: 50 KB
2024-11-14 005-41771
241465457
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001897612-24-001867 (34 Act)  Size: 6 KB
2024-11-14 005-41771
SC 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000902219-24-000487 (34 Act)  Size: 36 KB
2024-11-08 005-41771
241438642
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000874015-24-000232 (34 Act)  Size: 8 MB
2024-11-06 000-19125
241430922
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001140361-24-045370 (34 Act)  Size: 643 KB
2024-11-06 000-19125
241429699
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-24-217333 (34 Act)  Size: 378 KB
2024-09-12 000-19125
241293468
424B5  Documents   Interactive Data Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-24-216700 (33 Act)  Size: 659 KB
2024-09-10 333-275741
241290862
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001193125-24-215939 (34 Act)  Size: 187 KB
2024-09-09 000-19125
241287647
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-24-215922 (33 Act)  Size: 480 KB
2024-09-09 333-275741
241287521
S-8  Documents   Interactive Data Securities to be offered to employees in employee benefit plans
Acc-no: 0001140361-24-035736 (33 Act)  Size: 208 KB
2024-08-05 333-281242
241174505
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000874015-24-000187 (34 Act)  Size: 9 MB
2024-08-01 000-19125
241167612
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001140361-24-035233 (34 Act)  Size: 614 KB
2024-08-01 000-19125
241165092
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0001140361-24-030447 (34 Act)  Size: 749 KB
2024-06-18 000-19125
241050370
8-K  Documents   Interactive Data Current report, items 5.07 and 9.01
Acc-no: 0001140361-24-029588 (34 Act)  Size: 175 KB
2024-06-10 000-19125
241033238
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001140361-24-028247 (34 Act)  Size: 310 KB
2024-05-31 000-19125
241007670
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000874015-24-000142 (34 Act)  Size: 7 MB
2024-05-07 000-19125
24921599
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001140361-24-024648 (34 Act)  Size: 479 KB
2024-05-07 000-19125
24920364
ARS  Documents Annual Report to Security Holders
Acc-no: 0001140361-24-022107 (34 Act)  Size: 1 MB
2024-04-25 000-19125
24877222
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001140361-24-022105 (34 Act)  Size: 824 KB
2024-04-25 000-19125
24877205
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001140361-24-022103 (34 Act)  Size: 18 MB
2024-04-25 000-19125
24877196
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001140361-24-018449 (34 Act)  Size: 203 KB
2024-04-08 000-19125
24828010
8-K  Documents   Interactive Data Current report, items 1.01, 5.02, and 9.01
Acc-no: 0001140361-24-010288 (34 Act)  Size: 165 KB
2024-02-29 000-19125
24699233
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000874015-24-000116 (34 Act)  Size: 19 MB
2024-02-21 000-19125
24660339
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001140361-24-008700 (34 Act)  Size: 597 KB
2024-02-21 000-19125
24657178
SC 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001897612-24-001128 (34 Act)  Size: 6 KB
2024-02-14 005-41771
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001104659-24-021229 (34 Act)  Size: 13 KB
2024-02-13 005-41771
24628745
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001193125-24-032788 (34 Act)  Size: 48 KB
2024-02-13 005-41771
24622469