58 filings
EFFECT
BIIB
Biogen Inc
13 Jul 22
Notice of effectiveness
12:15am
EFFECT
BIIB
Biogen Inc
27 May 22
Notice of effectiveness
12:15am
CORRESP
BIIB
Biogen Inc
24 May 22
Correspondence with SEC
12:00am
UPLOAD
BIIB
Biogen Inc
23 May 22
Letter from SEC
12:00am
UPLOAD
BIIB
Biogen Inc
22 Jun 21
Letter from SEC
12:00am
CORRESP
508x21liltahtkf5w21d
21 Jun 21
Correspondence with SEC
12:00am
UPLOAD
sokx580zkpju
17 Jun 21
Letter from SEC
12:00am
CORRESP
z7faxn jsp1ffjy5
9 Jun 21
Correspondence with SEC
12:00am
UPLOAD
ejl 4tvuyaa3uf
13 May 21
Letter from SEC
12:00am
CORRESP
kfs4x rnqoz9fxmgt
7 Apr 21
Correspondence with SEC
12:00am
UPLOAD
fg0haf0 yh6hfkwgnk
25 Mar 21
Letter from SEC
12:00am
UPLOAD
9fdn2czykmx072nel2q
23 Jul 18
Letter from SEC
12:00am
CORRESP
pobd72 yr1j
28 Jun 18
Correspondence with SEC
12:00am
UPLOAD
fudagutrw994672r1u
18 Jun 18
Letter from SEC
12:00am
UPLOAD
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25 May 17
Letter from SEC
12:00am
CORRESP
ze64fb6o
10 May 17
Correspondence with SEC
12:00am
UPLOAD
o5yrhgshzyi5vty8d
3 May 17
Letter from SEC
12:00am
CORRESP
zh59xpc6982uwmrbs9x
4 Apr 17
Correspondence with SEC
12:00am
UPLOAD
bst nxltdquy6pylt
23 Mar 17
Letter from SEC
12:00am
NO ACT
vzs 4z854uk
23 Feb 17
No action letter
12:00am