57 filings
EFFECT
AMSC
American Superconductor Corp.
18 Mar 24
Notice of effectiveness
12:15am
SD
AMSC
American Superconductor Corp.
31 May 23
Conflict minerals disclosure
12:00am
SD
AMSC
American Superconductor Corp.
23 May 22
Conflict minerals disclosure
4:10pm
EFFECT
AMSC
American Superconductor Corp.
22 Jun 21
Notice of effectiveness
12:15am
SD
AMSC
American Superconductor Corp.
27 May 21
Conflict minerals disclosure
4:11pm
SD
ke68ia9
26 May 20
Conflict minerals disclosure
4:18pm
SD
b6ne4gmis gawbsmv39
30 May 19
Conflict minerals disclosure
4:15pm
CT ORDER
ixph7jxq47k kf
30 May 19
Confidential treatment order
10:21am
CT ORDER
btq7x ozyb
13 Feb 19
Confidential treatment order
1:09pm
CT ORDER
s1g ssu8ihtg
30 Aug 18
Confidential treatment order
12:00am
CT ORDER
z25e39
10 Aug 18
Confidential treatment order
10:11am
CT ORDER
1wpvqz
10 Aug 18
Confidential treatment order
12:00am
CT ORDER
3t015a
13 Jul 18
Confidential treatment order
9:58am
SD
l6f4ss01wqdikx 32vs
25 May 18
Conflict minerals disclosure
2:43pm
EFFECT
4lydp
15 Feb 18
Notice of effectiveness
12:00am
CORRESP
5ru8c7edl944nnmnc
13 Feb 18
Correspondence with SEC
12:00am
UPLOAD
w8mn5wpn0goe
13 Feb 18
Letter from SEC
12:00am
EFFECT
9ctzjwu0t4p mpnqj
23 Oct 17
Notice of effectiveness
12:00am
CORRESP
t51nznjsuu ny821
17 Oct 17
Correspondence with SEC
12:00am
UPLOAD
xdd3rxx9ywwz94t60y7
11 Oct 17
Letter from SEC
12:00am