9 results
8-K
EX-4.1
Hammerhead Energy Inc.
27 Feb 23
Hammerhead Resources Completes Business Combination with Decarbonization Plus Acquisition Corporation IV to Form Hammerhead Energy
6:23am
10-K
2021 FY
EX-4.5
Hammerhead Energy Inc.
29 Mar 22
Annual report
5:27pm
8-K
EX-4.1
Hammerhead Energy Inc.
13 Aug 21
Unregistered Sales of Equity Securities
5:24pm
S-1/A
EX-4.4
Hammerhead Energy Inc.
IPO registration (amended)
30 Jul 21
12:00am
S-1/A
EX-4.1
Hammerhead Energy Inc.
IPO registration (amended)
30 Jul 21
12:00am
S-1/A
EX-4.2
i8zpnbfjeiwblh7qj19t
7 Apr 21
IPO registration (amended)
5:22pm
S-1/A
EX-4.1
obzwkgmdpizjsm
7 Apr 21
IPO registration (amended)
5:22pm
S-1/A
EX-4.3
utg45yn2zh9imx08eg1
7 Apr 21
IPO registration (amended)
5:22pm
S-1/A
EX-4.4
enfnboiyif46l fzbl8p
7 Apr 21
IPO registration (amended)
5:22pm
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