31 filings
EFFECT
ASPN
Aspen Aerogels Inc.
13 May 24
Notice of effectiveness
12:15am
UPLOAD
ASPN
Aspen Aerogels Inc.
17 Oct 23
Letter from SEC
12:00am
CORRESP
ASPN
Aspen Aerogels Inc.
4 Oct 23
Correspondence with SEC
12:00am
UPLOAD
ASPN
Aspen Aerogels Inc.
25 Sep 23
Letter from SEC
12:00am
EFFECT
ASPN
Aspen Aerogels Inc.
24 Apr 23
Notice of effectiveness
12:15am
EFFECT
w46tvhqd5l5 pfdy22
13 May 22
Notice of effectiveness
12:00am
CORRESP
pp6fqol9izpx8u
11 May 22
Correspondence with SEC
12:00am
UPLOAD
d8b73lxng3fekf9s
10 May 22
Letter from SEC
12:00am
EFFECT
rimwbpwz3wppel
21 Sep 21
Notice of effectiveness
12:15am
CORRESP
c3dz5vpderro9b1fsn
16 Sep 21
Correspondence with SEC
12:00am
UPLOAD
t9agm5i22ffw3 ckt
15 Sep 21
Letter from SEC
12:00am
EFFECT
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26 Apr 21
Notice of effectiveness
12:15am
CORRESP
d7rook
21 Apr 21
Correspondence with SEC
12:00am
UPLOAD
br0f2c4
23 Mar 21
Letter from SEC
12:00am
EFFECT
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18 Sep 18
Notice of effectiveness
12:00am
CORRESP
oi70xl7sk7szu2t178
14 Sep 18
Correspondence with SEC
12:00am
UPLOAD
vv9p6igg
11 Sep 18
Letter from SEC
12:00am
CT ORDER
wdh87d
22 May 18
Confidential treatment order
1:24pm
EFFECT
1a1ixdkffr9e14fizgrx
20 Nov 17
Notice of effectiveness
12:00am
CORRESP
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16 Nov 17
Correspondence with SEC
12:00am