140 results
8-K
EX-1.1
HNRG
Hallador Energy Co
18 Dec 23
Entry into a Material Definitive Agreement
8:37am
or hazardous to human health or the environment (the “Hazardous Substances”), or with respect to Hazardous Substances, occupational health and safety
424B5
HNRG
Hallador Energy Co
18 Dec 23
Prospectus supplement for primary offering
8:31am
and the release of greenhouse gases, mining, miner health and safety, and health care; deregulation of the electric utility industry or the effects of any adverse … of greenhouse gases, mining, miner health and safety, and health care; deregulation of the electric utility industry or the effects of any adverse change
S-3
ikirj022
19 Jul 23
Shelf registration
5:03pm