BIOGEN INC. — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
10-C
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
144
3
3/A
4
4/A
424B2
424B3
424B4
425
5
8-A12B
8-A12G/A
8-B12G
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFC14A
DEFR14A
DFAN14A
DFRN14A
EFFECT
FWP
NO ACT
NT 10-K
NT 10-Q
POS AM
POS EX
PRE 14A
PREC14A
PRER14A
PRES14A
PRRN14A
PX14A6G
RW
S-3
S-3/A
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SC TO-T
SC TO-T/A
SCHEDULE 13D
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | FORM 8-K FOR THE PERIOD SEPTEMBER 17, 1998 | 0000891618-99-000001 | Jan 4, 1999 | Sep 17, 1998 |
| 10-Q | FORM 10-Q | 0000936392-98-001505 | Nov 16, 1998 | Sep 30, 1998 |
| SC 13G/A | — | 0000912057-98-000795 | Oct 13, 1998 | — |
| SC 13G/A | — | 0000912057-98-000613 | Sep 10, 1998 | — |
| S-8 | FORM S-8 | 0000891618-98-004128 | Sep 3, 1998 | — |
| 10-Q | FORM 10-Q | 0000936392-98-001178 | Aug 14, 1998 | Jun 30, 1998 |
| 10-Q | FORM 10-Q | 0000936392-98-000841 | May 15, 1998 | Mar 31, 1998 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000936392-98-000577 | Apr 10, 1998 | May 21, 1998 |
| RW | WITHDRAWL REQUEST | 0000936392-98-000427 | Mar 12, 1998 | — |
| SC 13G | — | 0000919574-98-000377 | Mar 4, 1998 | — |
| 10-K405/A | AMENDMENT TO FORM 10-K405 | 0000936392-98-000361 | Mar 3, 1998 | Dec 31, 1997 |
| S-3/A | AMENDMENT #1 TO FORM S-3 | 0000892569-98-000506 | Mar 2, 1998 | — |
| 10-K405 | FORM 10-K | 0000936392-98-000343 | Feb 27, 1998 | Dec 31, 1997 |
| S-3 | FORM S-3 | 0000936392-98-000296 | Feb 24, 1998 | — |
| SC 13G | INITIAL FILING | 0000895421-98-000123 | Feb 17, 1998 | — |
| SC 13D/A | GENERAL STATEMENT OF BENEFICIAL OWNERSHIP | 0000950149-98-000220 | Feb 13, 1998 | — |
| SC 13G/A | — | 0000912057-98-000521 | Feb 12, 1998 | — |
| SC 13G | — | 0000732812-98-000464 | Feb 11, 1998 | — |
| SC 13G | — | 0000748054-98-000012 | Feb 4, 1998 | — |
| 10-Q | FORM 10-Q | 0000936392-97-001535 | Nov 14, 1997 | Sep 30, 1997 |
| 8-K | FORM 8-K | 0000936392-97-001269 | Oct 1, 1997 | Sep 4, 1997 |
| 10-Q/A | FORM 10-Q/A | 0000936392-97-001140 | Aug 18, 1997 | Jun 30, 1997 |
| 10-Q | FORM 10-Q | 0000936392-97-001121 | Aug 14, 1997 | Jun 30, 1997 |
| 8-K | FORM 8-K DATED JULY 22, 1997 | 0000891618-97-003124 | Aug 1, 1997 | Jul 22, 1997 |
| 8-A12B | FORM 8-A12B | 0000891618-97-003122 | Aug 1, 1997 | — |
| SC 13D/A | — | 0000919574-97-000641 | Jul 24, 1997 | — |
| S-8 | FORM S-8 | 0000891618-97-002670 | Jun 20, 1997 | — |
| S-8 POS | POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 | 0000891618-97-002643 | Jun 18, 1997 | — |
| 8-K | FORM 8-K FOR EARLIEST REPORTED DATE OF JUNE 2,1997 | 0000891618-97-002620 | Jun 16, 1997 | Jun 2, 1997 |
| 8-B12G | FORM 8-B | 0000891618-97-002491 | Jun 2, 1997 | — |
| 10-Q | FORM 10-Q | 0000936392-97-000719 | May 15, 1997 | Mar 31, 1997 |
| SC 13D/A | — | 0000905148-97-000770 | May 7, 1997 | — |
| DEF 14A | DEFINITIVE NOTICE AND PROXY STATEMENT | 0000891618-97-001842 | Apr 22, 1997 | May 22, 1997 |
| PRE 14A | PRELIMINARY PROXY STATEMENT | 0000891618-97-001644 | Apr 8, 1997 | May 22, 1997 |
| 10-K405 | FORM 10-K | 0000936392-97-000428 | Mar 31, 1997 | Dec 31, 1996 |
| SC 13D/A | SCHEDULE 13D AMEND NO.4 IDEC PHARMACEUTICALS CORP | 0000893220-97-000564 | Mar 17, 1997 | — |
| SC 13D | — | 0000919574-97-000271 | Mar 10, 1997 | — |
| SC 13D/A | AMEND #3 TO SCHEDULE 13D, SMITHKLINE BEECHAM CORP | 0000893220-97-000469 | Mar 3, 1997 | — |
| SC 13G | — | 0000864047-97-000093 | Feb 14, 1997 | — |
| SC 13G | — | 0000732812-97-000085 | Feb 12, 1997 | — |
| 10-Q/A | FORM 10-Q/A | 0000936392-96-001198 | Dec 18, 1996 | Sep 30, 1995 |
| SC 13D/A | AMENDMENT NO. 2 TO SCHEDULE 13D | 0000893220-96-002028 | Dec 13, 1996 | — |
| 10-Q/A | FORM 10-Q AMENDMENT #1 | 0000936392-96-001120 | Nov 22, 1996 | Sep 30, 1996 |
| 10-Q | FORM 10-Q FOR THE PERIOD ENDED SEPTEMBER 30, 1996 | 0000936392-96-001014 | Nov 13, 1996 | Sep 30, 1996 |
| 424B4 | IDEC PHARMACEUTICALS CORP -- FINAL PROSPECTUS | 0000936392-96-000848 | Oct 8, 1996 | — |
| S-3 | IDEC PHARMACEUTICALS CORPORATION -- FORM S-3 | 0000936392-96-000813 | Sep 30, 1996 | — |
| SC 13D/A | AMENDMENT NO. 1 TO SCHEDULE 13D | 0000893220-96-001610 | Sep 26, 1996 | — |
| 10-Q | IDEC PHARMACEUTICALS -- FORM 10-Q | 0000936392-96-000630 | Aug 14, 1996 | Jun 30, 1996 |
| SC 13G/A | — | 0000860655-96-000061 | Jul 10, 1996 | — |
| S-8 | IDEC PHARMACEUTICALS CORP. -- FORM S-8 | 0000936392-96-000359 | Jun 21, 1996 | — |