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BIOGEN INC. (BIIB)

Nasdaq · CIK 0000875045

Form Report Date Filing Date Description
10-Q 2026-06-30 2026-07-29 10-Q
8-K 2026-07-29 2026-07-29 8-K
8-K 2026-07-01 2026-07-01 8-K
8-K 2026-06-09 2026-06-10 CURRENT REPORT
8-K 2026-05-14 2026-05-14 8-K
10-Q 2026-03-31 2026-04-29 10-Q
8-K 2026-04-29 2026-04-29 8-K
8-K 2026-04-06 2026-04-06 8-K
8-K 2026-03-31 2026-03-31 8-K
8-K 2026-03-11 2026-03-11 CURRENT REPORT
8-K 2026-02-11 2026-02-11 8-K
10-K 2025-12-31 2026-02-06 10-K
8-K 2026-02-06 2026-02-06 8-K
8-K 2026-01-13 2026-01-14 8-K
10-Q 2025-09-30 2025-10-30 10-Q
8-K 2025-10-30 2025-10-30 8-K
8-K 2025-10-14 2025-10-14 8-K
8-K 2025-07-31 2025-07-31 8-K
10-Q 2025-06-30 2025-07-31 10-Q
8-K 2025-07-07 2025-07-07 8-K
8-K 2025-06-17 2025-06-23 8-K
8-K 2025-05-06 2025-05-12 8-K
10-Q 2025-03-31 2025-05-01 10-Q
8-K 2025-05-01 2025-05-01 8-K
10-K 2024-12-31 2025-02-12 10-K
8-K 2025-02-12 2025-02-12 8-K
8-K 2025-01-13 2025-01-15 8-K
8-K 2024-10-28 2024-10-30 8-K
10-Q 2024-09-30 2024-10-30 10-Q
8-K 2024-10-30 2024-10-30 8-K
8-K 2024-09-11 2024-09-12 8-K
8-K 2024-08-12 2024-08-14 8-K
10-Q 2024-06-30 2024-08-01 10-Q
8-K 2024-08-01 2024-08-01 8-K
8-K 2024-06-20 2024-06-25 8-K
10-Q 2024-03-31 2024-04-24 10-Q
8-K 2024-04-24 2024-04-24 8-K
10-K 2023-12-31 2024-02-14 10-K
8-K 2024-02-13 2024-02-13 8-K
8-K 2023-12-06 2023-12-12 8-K
8-K 2023-11-06 2023-11-08 8-K
10-Q 2023-09-30 2023-11-08 10-Q
8-K 2023-11-08 2023-11-08 8-K
8-K 2023-09-26 2023-09-26 8-K
8-K 2023-08-28 2023-09-01 8-K
8-K 2023-07-28 2023-07-31 FORM 8-K
8-K 2023-07-28 2023-07-28 8-K
10-Q 2023-06-30 2023-07-25 10-Q
8-K 2023-07-25 2023-07-25 8-K
8-K 2023-06-26 2023-06-29 8-K
8-K 2023-05-03 2023-05-03 8-K
10-Q 2023-03-31 2023-04-25 10-Q
8-K 2023-04-25 2023-04-25 8-K
8-K 2023-04-12 2023-04-18 8-K
8-K 2023-03-05 2023-03-09 8-K
10-K 2022-12-31 2023-02-15 10-K
8-K 2023-02-15 2023-02-15 8-K
8-K 2022-11-10 2022-11-10 8-K
10-Q 2022-09-30 2022-10-25 10-Q
8-K 2022-10-25 2022-10-25 8-K
10-Q 2022-06-30 2022-07-20 10-Q
8-K 2022-07-20 2022-07-20 8-K
8-K 2022-06-15 2022-06-21 8-K
10-Q 2022-03-31 2022-05-03 10-Q
8-K 2022-05-03 2022-05-03 8-K
10-K 2021-12-31 2022-02-03 10-K
8-K 2022-02-03 2022-02-03 8-K
8-K 2022-01-25 2022-01-31 FORM 8-K
8-K 2021-11-18 2021-11-19 8-K
8-K 2021-11-15 2021-11-17 8-K
10-Q 2021-09-30 2021-10-20 10-Q
8-K 2021-10-20 2021-10-20 8-K
10-Q 2021-06-30 2021-07-22 10-Q
8-K 2021-07-22 2021-07-22 8-K
8-K 2021-06-02 2021-06-08 8-K
10-Q 2021-03-31 2021-04-22 10-Q
8-K 2021-04-22 2021-04-22 8-K
8-K 2021-04-07 2021-04-09 8-K
8-K 2021-02-16 2021-02-16 8-K
8-K 2021-02-04 2021-02-04 8-K
10-K 2020-12-31 2021-02-03 10-K
8-K 2021-02-03 2021-02-03 8-K
10-Q 2020-09-30 2020-10-21 10-Q
8-K 2020-10-21 2020-10-21 8-K
8-K 2020-09-15 2020-09-21 8-K
10-Q 2020-06-30 2020-07-22 10-Q
8-K 2020-07-22 2020-07-22 8-K
8-K 2020-07-16 2020-07-22 8-K
8-K 2020-06-18 2020-06-18 8-K
8-K 2020-06-03 2020-06-05 8-K
8-K 2020-04-27 2020-04-30 8-K
10-Q 2020-03-31 2020-04-23 10-Q
8-K 2020-04-22 2020-04-22 8-K
8-K 2020-04-20 2020-04-20 8-K
10-K 2019-12-31 2020-02-06 10-K
8-K 2020-01-28 2020-02-03 8-K
8-K 2020-01-30 2020-01-30 8-K
8-K 2019-12-19 2019-12-19 8-K
10-Q 2019-09-30 2019-10-22 10-Q
8-K 2019-10-22 2019-10-22 8-K
8-K 2019-09-29 2019-10-01 8-K
10-Q 2019-06-30 2019-07-24 10-Q
8-K 2019-07-23 2019-07-23 8-K
8-K 2019-06-19 2019-06-20 8-K
8-K 2019-05-09 2019-05-15 8-K
8-K 2019-04-29 2019-04-29 8-K
10-Q 2019-03-31 2019-04-24 10-Q
8-K 2019-04-24 2019-04-24 8-K
8-K 2019-03-24 2019-03-25 8-K
10-K 2018-12-31 2019-02-06 10-K
8-K 2019-01-29 2019-01-29 8-K
8-K 2018-11-01 2018-11-01 8-K
10-Q 2018-09-30 2018-10-23 10-Q
8-K 2018-10-23 2018-10-23 8-K
8-K 2018-08-03 2018-08-03 8-K
10-Q 2018-06-30 2018-07-24 10-Q
8-K 2018-07-24 2018-07-24 8-K
8-K 2018-06-21 2018-06-26 8-K
8-K 2018-06-12 2018-06-15 8-K
10-Q 2018-03-31 2018-04-24 10-Q
8-K 2018-04-24 2018-04-24 8-K
10-K 2017-12-31 2018-02-01 10-K
8-K 2018-01-25 2018-01-25 8-K
8-K 2017-11-21 2017-11-21 8-K
8-K 2017-11-07 2017-11-07 8-K
10-Q 2017-09-30 2017-10-24 10-Q
8-K 2017-10-24 2017-10-24 8-K
10-Q 2017-06-30 2017-07-25 10-Q
8-K 2017-07-25 2017-07-25 8-K
8-K 2017-06-10 2017-06-13 8-K
8-K 2017-06-07 2017-06-09 8-K
10-Q 2017-03-31 2017-04-25 10-Q
8-K 2017-04-25 2017-04-25 8-K
10-K 2016-12-31 2017-02-02 10-K
8-K 2017-02-02 2017-02-02 8-K
8-K 2017-02-01 2017-02-01 CURRENT REPORT
8-K 2017-01-26 2017-01-26 8-K
8-K 2017-01-17 2017-01-17 -
8-K 2016-12-19 2016-12-19 8-K
8-K 2016-12-09 2016-12-12 8-K
10-Q 2016-09-30 2016-10-26 10-Q
8-K 2016-10-26 2016-10-26 8-K
10-Q 2016-06-30 2016-07-21 10-Q
8-K 2016-07-21 2016-07-21 8-K
8-K 2016-06-21 2016-06-21 8-K
8-K 2016-06-08 2016-06-09 8-K
8-K 2016-05-03 2016-05-03 8-K
8-K 2016-04-29 2016-04-29 8-K
10-Q 2016-03-31 2016-04-21 10-Q
8-K 2016-04-21 2016-04-21 8-K
10-K 2015-12-31 2016-02-03 10-K
8-K 2016-01-27 2016-01-27 8-K
10-Q 2015-09-30 2015-10-21 10-Q
8-K 2015-10-21 2015-10-21 8-K
8-K 2015-09-15 2015-09-16 8-K
8-K 2015-09-10 2015-09-14 FORM 8-K
8-K 2015-08-28 2015-09-01 8-K
10-Q 2015-06-30 2015-07-24 10-Q
8-K 2015-07-24 2015-07-24 8-K
8-K 2015-06-11 2015-06-11 8-K
10-Q 2015-03-31 2015-04-24 10-Q
8-K 2015-04-23 2015-04-24 8-K
8-K 2015-03-27 2015-03-27 8-K
10-K 2014-12-31 2015-02-04 10-K
8-K 2015-01-29 2015-01-29 8-K
10-Q 2014-09-30 2014-10-22 10-Q
8-K 2014-10-22 2014-10-22 8-K