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Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000
BIOGEN INC. CIK#: 0000875045 (see all company filings)

SIC: 2836 - BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES)
State location: MA | State of Inc.: DE | Fiscal Year End: 1231
formerly: BIOGEN IDEC INC (filings through 2007-04-25)
formerly: BIOGEN IDEC INC. (filings through 2015-03-20)
formerly: IDEC PHARMACEUTICALS CORP / CA (filings through 1997-02-14)
formerly: IDEC PHARMACEUTICALS CORP / DE (filings through 2003-11-12)
(CF Office: 03 Life Sciences)
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Items 1 - 40  0000875045 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000875045-24-000009 (34 Act)  Size: 25 MB
2024-02-14 000-19311
24630409
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000875045-24-000004 (34 Act)  Size: 782 KB
2024-02-13 000-19311
24622571
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-24-032402 Size: 41 KB
2024-02-12
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001193125-24-032401 Size: 40 KB
2024-02-12
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001085146-24-001101 (34 Act)  Size: 28 KB
2024-02-12 005-42028
24619788
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-013959 (34 Act)  Size: 13 KB
2024-02-12 005-42028
24618236
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-013916 (34 Act)  Size: 13 KB
2024-02-12 005-42028
24618064
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-002278 (34 Act)  Size: 14 KB
2024-01-24 005-42028
24555798
8-K  Documents   Interactive Data Current report, items 5.03 and 9.01
Acc-no: 0001193125-23-293433 (34 Act)  Size: 823 KB
2023-12-12 000-19311
231481686
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001193125-23-273579 (34 Act)  Size: 145 KB
2023-11-08 000-19311
231388616
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000875045-23-000038 (34 Act)  Size: 16 MB
2023-11-08 000-19311
231388524
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000875045-23-000035 (34 Act)  Size: 734 KB
2023-11-08 000-19311
231385915
8-K/A  Documents   Interactive Data [Amend] Current report, item 5.07
Acc-no: 0001193125-23-245816 (34 Act)  Size: 146 KB
2023-09-28 000-19311
231291010
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001193125-23-245726 Size: 27 KB
2023-09-28
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-23-242617 (34 Act)  Size: 175 KB
2023-09-26 000-19311
231281349
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001193125-23-227692 (34 Act)  Size: 863 KB
2023-09-01 000-19311
231233044
SC 13D  Documents General statement of acquisition of beneficial ownership
Acc-no: 0001193125-23-205093 Size: 47 KB
2023-08-07
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-198545 (34 Act)  Size: 1 MB
2023-07-31 000-19311
231125025
8-K  Documents   Interactive Data Current report, items 1.01, 5.03, and 9.01
Acc-no: 0001193125-23-198542 (34 Act)  Size: 1 MB
2023-07-31 000-19311
231125017
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-196809 (34 Act)  Size: 3 MB
2023-07-28 000-19311
231120216
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-23-196808 (34 Act)  Size: 3 MB
2023-07-28 000-19311
231120208
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000875045-23-000030 (34 Act)  Size: 14 MB
2023-07-25 000-19311
231108785
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000875045-23-000027 (34 Act)  Size: 714 KB
2023-07-25 000-19311
231106437
8-K  Documents   Interactive Data Current report, items 5.07 and 9.01
Acc-no: 0000875045-23-000024 (34 Act)  Size: 241 KB
2023-06-29 000-19311
231057734
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-165725 (34 Act)  Size: 1 MB
2023-06-13 000-19311
231010239
DEFR14A  Documents Revised definitive proxy soliciting materials
Acc-no: 0001193125-23-165722 (34 Act)  Size: 1 MB
2023-06-13 000-19311
231010238
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-165434 (34 Act)  Size: 25 KB
2023-06-12 000-19311
231009353
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-23-133476 (34 Act)  Size: 139 KB
2023-05-03 000-19311
23881914
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-23-127651 (34 Act)  Size: 749 KB
2023-04-28 000-19311
23868447
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-23-127639 (34 Act)  Size: 11 MB
2023-04-28 000-19311
23868392
ARS  Documents Annual Report to Security Holders
Acc-no: 0000875045-23-000021 (34 Act)  Size: 1 MB
2023-04-28 000-19311
23868336
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000875045-23-000016 (34 Act)  Size: 13 MB
2023-04-25 000-19311
23845166
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000875045-23-000012 (34 Act)  Size: 560 KB
2023-04-25 000-19311
23841677
8-K  Documents   Interactive Data Current report, items 5.03 and 9.01
Acc-no: 0001193125-23-105074 (34 Act)  Size: 406 KB
2023-04-18 000-19311
23827404
8-K  Documents   Interactive Data Current report, items 5.02 and 8.01
Acc-no: 0001193125-23-064961 (34 Act)  Size: 137 KB
2023-03-09 000-19311
23718009
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000875045-23-000009 (34 Act)  Size: 31 MB
2023-02-15 000-19311
23635690
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000875045-23-000005 (34 Act)  Size: 769 KB
2023-02-15 000-19311
23633586
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001085146-23-000900 (34 Act)  Size: 28 KB
2023-02-09 005-42028
23606108
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015459 (34 Act)  Size: 13 KB
2023-02-09 005-42028
23602613
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-003112 (34 Act)  Size: 13 KB
2023-01-24 005-42028
23547531