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
l9akvs8avyr71e1ds7e
13 May 22
Notice of effectiveness
12:00am
CORRESP
14jfbbspur7
11 May 22
Correspondence with SEC
12:00am
UPLOAD
jk2z1e7nqlwzg
10 May 22
Letter from SEC
12:00am
EFFECT
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21 Sep 21
Notice of effectiveness
12:15am
CORRESP
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16 Sep 21
Correspondence with SEC
12:00am
UPLOAD
uidldy9zb
15 Sep 21
Letter from SEC
12:00am
EFFECT
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26 Apr 21
Notice of effectiveness
12:15am
CORRESP
3jqqgecmka9ewliw
21 Apr 21
Correspondence with SEC
12:00am
UPLOAD
rd7finnmnow60
23 Mar 21
Letter from SEC
12:00am
EFFECT
cibio2ni2pbvecop5
18 Sep 18
Notice of effectiveness
12:00am
CORRESP
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14 Sep 18
Correspondence with SEC
12:00am
UPLOAD
hkgjiyjetep5f5nn9dnv
11 Sep 18
Letter from SEC
12:00am
CT ORDER
uv9eaekci9022 60
22 May 18
Confidential treatment order
1:24pm
EFFECT
qjpk mwrax41mwx1mda
20 Nov 17
Notice of effectiveness
12:00am
CORRESP
78l9qjum6 fb9
16 Nov 17
Correspondence with SEC
12:00am