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| Form | Report Date | Filing Date | Description |
|---|---|---|---|
| 8-K | 2026-09-23 | 2026-09-23 | CURRENT REPORT FILING |
| 8-K | 2026-09-04 | 2026-09-04 | 8-K |
| 8-K | 2026-09-03 | 2026-09-04 | 8-K |
| 8-K | 2026-07-29 | 2026-07-29 | 8-K |
| 10-Q | 2026-06-30 | 2026-07-29 | IONIS PHARMACEUTICALS, INC. 10-Q 06-30-2026 |
| 8-K | 2026-07-09 | 2026-07-10 | 8-K |
| 8-K | 2026-07-09 | 2026-07-09 | 8-K |
| 8-K | 2026-06-24 | 2026-06-24 | 8-K |
| 8-K | 2026-06-12 | 2026-06-12 | 8-K |
| 8-K | 2026-06-04 | 2026-06-08 | 8-K |
| 8-K | 2026-05-28 | 2026-05-28 | 8-K |
| 8-K | 2026-04-29 | 2026-04-29 | 8-K |
| 10-Q | 2026-03-31 | 2026-04-29 | IONIS PHARMACEUTICALS, INC. 10-Q 03-31-2026 |
| 8-K | 2026-04-21 | 2026-04-21 | 8-K |
| 8-K | 2026-03-03 | 2026-03-09 | 8-K |
| 10-K | 2025-12-31 | 2026-02-26 | IONIS PHARMACEUTICALS, INC. 10-K 12-31-2025 |
| 8-K | 2026-02-25 | 2026-02-25 | 8-K |
| 8-K | 2026-01-12 | 2026-01-12 | 8-K |
| 8-K | 2026-01-07 | 2026-01-07 | 8-K |
| 8-K | 2025-11-11 | 2025-11-17 | 8-K |
| 8-K | 2025-11-08 | 2025-11-10 | 8-K |
| 8-K | 2025-10-29 | 2025-10-29 | 8-K |
| 10-Q | 2025-09-30 | 2025-10-29 | IONIS PHARMACEUTICALS, INC. 10-Q 9-30-2025 |
| 8-K | 2025-09-22 | 2025-09-22 | 8-K |
| 8-K | 2025-09-02 | 2025-09-02 | 8-K |
| 8-K | 2025-08-21 | 2025-08-21 | 8-K |
| 10-Q | 2025-06-30 | 2025-07-30 | IONIS PHARMACEUTICALS, INC. 10-Q 6-30-2025 |
| 8-K | 2025-07-30 | 2025-07-30 | 8-K |
| 8-K | 2025-06-12 | 2025-06-12 | 8-K |
| 8-K | 2025-06-05 | 2025-06-10 | 8-K |
| 8-K | 2025-05-19 | 2025-05-19 | 8-K |
| 8-K | 2025-04-30 | 2025-04-30 | 8-K |
| 10-Q | 2025-03-31 | 2025-04-30 | IONIS PHARMACEUTICALS, INC. 10-Q 3-31-2025 |
| 8-K | 2025-03-11 | 2025-03-12 | 8-K |
| 8-K | 2025-02-19 | 2025-02-19 | 8-K |
| 10-K | 2024-12-31 | 2025-02-19 | IONIS PHARMACEUTICALS, INC. 10-K 12-31-2024 |
| 8-K | 2024-12-19 | 2024-12-20 | 8-K |
| 8-K | 2024-11-06 | 2024-11-06 | 8-K |
| 10-Q | 2024-09-30 | 2024-11-06 | IONIS PHARMACEUTICALS, INC. 10-Q 9-30-2024 |
| 8-K | 2024-09-09 | 2024-09-12 | 8-K |
| 8-K | 2024-09-09 | 2024-09-09 | 8-K |
| 8-K | 2024-08-01 | 2024-08-01 | 8-K |
| 10-Q | 2024-06-30 | 2024-08-01 | IONIS PHARMACEUTICALS INC 10-Q 6-30-2024 |
| 8-K | 2024-06-18 | 2024-06-18 | 8-K |
| 8-K | 2024-06-06 | 2024-06-10 | 8-K |
| 8-K | 2024-05-31 | 2024-05-31 | 8-K |
| 8-K | 2024-05-07 | 2024-05-07 | 8-K |
| 10-Q | 2024-03-31 | 2024-05-07 | IONIS PHARMACEUTICALS INC 10-Q 3-31-2024 |
| 8-K | 2024-04-07 | 2024-04-08 | 8-K |
| 8-K | 2024-02-28 | 2024-02-29 | 8-K |
| 8-K | 2024-02-21 | 2024-02-21 | 8-K |
| 10-K | 2023-12-31 | 2024-02-21 | IONIS PHARMACEUTICALS, INC. 10-K 12-31-2023 |
| 8-K | 2024-01-22 | 2024-01-22 | 8-K |
| 8-K | 2023-12-21 | 2023-12-22 | 8-K |
| 8-K | 2023-12-18 | 2023-12-18 | 8-K |
| 8-K | 2023-12-14 | 2023-12-14 | 8-K |
| 8-K | 2023-11-02 | 2023-11-02 | 8-K |
| 10-Q | 2023-09-30 | 2023-11-02 | IONIS PHARMACEUTICALS INC 10-Q 9-30-2023 |
| 8-K | 2023-09-27 | 2023-09-27 | 8-K |
| 8-K | 2023-09-26 | 2023-09-26 | 8-K |
| 8-K | 2023-08-21 | 2023-08-23 | 8-K |
| 8-K | 2023-08-21 | 2023-08-22 | 8-K |
| 10-Q | 2023-06-30 | 2023-08-09 | IONIS PHARMACEUTICALS INC 10-Q 6-30-2023 |
| 8-K | 2023-08-09 | 2023-08-09 | 8-K |
| 8-K | 2023-08-01 | 2023-08-04 | 8-K |
| 8-K | 2023-08-02 | 2023-08-03 | 8-K |
| 8-K | 2023-07-10 | 2023-07-10 | 8-K |
| 8-K | 2023-06-08 | 2023-06-12 | 8-K |
| 8-K | 2023-06-06 | 2023-06-06 | 8-K |
| 8-K | 2023-06-01 | 2023-06-05 | 8-K |
| 8-K | 2023-05-03 | 2023-05-03 | 8-K |
| 10-Q | 2023-03-31 | 2023-05-03 | IONIS PHARMACEUTICALS INC 10-Q 3-31-2023 |
| 8-K | 2023-04-25 | 2023-04-26 | 8-K |
| 8-K | 2023-04-24 | 2023-04-24 | 8-K |
| 8-K | 2023-03-27 | 2023-03-27 | 8-K |
| 8-K | 2023-02-22 | 2023-02-22 | 8-K |
| 10-K | 2022-12-31 | 2023-02-22 | IONIS PHARMACEUTICALS, INC. 10-K 12-31-2022 |
| 8-K | 2023-01-08 | 2023-01-09 | 8-K |
| 8-K | 2022-11-10 | 2022-11-14 | 8-K |
| 8-K | 2022-11-09 | 2022-11-09 | 8-K |
| 10-Q | 2022-09-30 | 2022-11-09 | IONIS PHARMACEUTICALS INC 10-Q 9-30-2022 |
| 8-K | 2022-10-31 | 2022-11-04 | 8-K |
| 8-K | 2022-10-20 | 2022-10-24 | 8-K |
| 8-K | 2022-10-06 | 2022-10-12 | 8-K |
| 8-K | 2022-08-09 | 2022-08-09 | 8-K |
| 10-Q | 2022-06-30 | 2022-08-09 | IONIS PHARMACEUTICALS INC 10-Q 6-30-2022 |
| 8-K | 2022-07-22 | 2022-07-28 | 8-K |
| 8-K | 2022-07-18 | 2022-07-19 | 8-K |
| 8-K | 2022-07-15 | 2022-07-18 | 8-K |
| 8-K | 2022-07-11 | 2022-07-11 | 8-K |
| 8-K | 2022-06-21 | 2022-06-21 | 8-K |
| 8-K | 2022-06-02 | 2022-06-06 | 8-K |
| 10-Q | 2022-03-31 | 2022-05-04 | IONIS PHARMACEUTICALS INC 10-Q 3-31-2022 |
| 8-K | 2022-05-04 | 2022-05-04 | 8-K |
| 8-K | 2022-03-17 | 2022-03-21 | 8-K |
| 10-K | 2021-12-31 | 2022-02-25 | IONIS PHARMACEUTICALS, INC. 10-K 12-31-2021 |
| 8-K | 2022-02-24 | 2022-02-24 | 8-K |
| 8-K | 2022-01-24 | 2022-01-31 | 8-K |
| 8-K | 2021-12-06 | 2021-12-07 | 8-K |
| 8-K | 2021-11-26 | 2021-11-26 | 8-K |
| 8-K | 2021-11-24 | 2021-11-24 | 8-K |
| 8-K | 2021-11-03 | 2021-11-03 | 8-K |
| 10-Q | 2021-09-30 | 2021-11-03 | IONIS PHARMACEUTICALS INC 10-Q 9-30-2021 |
| 8-K | 2021-10-17 | 2021-10-18 | 8-K |
| 8-K | 2021-08-04 | 2021-08-04 | 8-K |
| 10-Q | 2021-06-30 | 2021-08-04 | IONIS PHARMACEUTICALS INC 10-Q 6-30-2021 |
| 8-K | 2021-06-02 | 2021-06-04 | 8-K |
| 8-K | 2021-05-05 | 2021-05-05 | 8-K |
| 10-Q | 2021-03-31 | 2021-05-05 | IONIS PHARMACEUTICALS INC 10-Q 3-31-2021 |
| 8-K | 2021-04-06 | 2021-04-13 | 8-K |
| 8-K | 2021-04-06 | 2021-04-06 | 8-K |
| 8-K | 2021-03-26 | 2021-03-29 | 8-K |
| 8-K | 2021-03-22 | 2021-03-23 | 8-K |
| 8-K | 2021-02-24 | 2021-02-24 | 8-K |
| 10-K | 2020-12-31 | 2021-02-24 | IONIS PHARMACEUTICALS, INC. 10-K 12-31-2020 |
| 8-K | 2020-12-17 | 2020-12-18 | 8-K |
| 8-K | 2020-12-08 | 2020-12-09 | 8-K |
| 8-K | 2020-11-04 | 2020-11-04 | 8-K |
| 10-Q | 2020-09-30 | 2020-11-04 | IONIS PHARMACEUTICALS INC 10-Q 9-30-2020 |
| 8-K | 2020-10-10 | 2020-10-13 | 8-K |
| 8-K | 2020-08-30 | 2020-08-31 | 8-K |
| 10-Q | 2020-06-30 | 2020-08-05 | IONIS PHARMACEUTICALS INC 10-Q 6-30-2020 |
| 8-K | 2020-08-05 | 2020-08-05 | 8-K |