44 results
424B5
HLGN
Heliogen, Inc.
13 Sep 23
Prospectus supplement for primary offering
4:21pm
thermal energy storage based on proven technology. This steam can also be used to produce green hydrogen when coupled with a solid oxide electrolyzer … effective production of electricity and higher temperature industrial process heat. The inclusion of a thermal energy storage system distinguishes our
8-K
EX-99.1
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10 Jul 23
Heliogen Appoints Sagar Kurada as Chief Financial Officer and Head of Strategy
8:01am
S-3/A
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10 May 23
Shelf registration (amended)
4:54pm
S-3
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6 Apr 23
Shelf registration
4:53pm
424B3
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6 Apr 23
Prospectus supplement
6:10am
POS AM
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29 Mar 23
Prospectus update (post-effective amendment)
7:52pm
424B3
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9 Nov 22
Prospectus supplement
6:03am
424B3
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18 Aug 22
Prospectus supplement
4:20pm
8-K
EX-99.1
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10 Aug 22
Heliogen, Inc. Announces Second Quarter 2022 Financial and Operational Results; Reports Progress on Scale Up of Long Beach Facility
5:19pm
424B3
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7 Jun 22
Prospectus supplement
6:03am