70 results
424B5
HNRG
Hallador Energy Co
18 Dec 23
Prospectus supplement for primary offering
8:31am
sources of electricity, such as natural gas, nuclear energy, and renewable fuels; difficulty in making accurate assumptions and projections regarding … of electricity, such as natural gas, nuclear energy, and renewable fuels; difficulty in making accurate assumptions and projections regarding post-mine
CORRESP
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16 Oct 23
Correspondence with SEC
12:00am
S-3
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19 Jul 23
Shelf registration
5:03pm
8-K
EX-99.1
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11 May 20
Hallador Energy Company Reports First Quarter 2020
5:28pm