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Hammerhead Energy Inc.
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Oil & Gas Field Exploration Services
NASDAQ.HHRS
6151 Lake Osprey Drive, Sarasota, FL, 34240
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Ownership by Owner
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Latest Filings – Ownership
SC 13D/A
Amended Statement Of Beneficial Ownership Of More Than 5%.
25 Oct 23
SC 13D
Acquired More Than 5% Ownership Of Any Class Of A Company's Securities.
06 Mar 23
Latest Filings – Non-Ownership
15-12G
Certification And Notice Of Termination Of Registration Under Section 12(g) Or Suspension Of Duty To File Reports.
02 Jan 24
EFFECT
Notice Of Effectiveness For A Previously Filed Sec Document.
27 Dec 23
EFFECT
Notice Of Effectiveness For A Previously Filed Sec Document.
27 Dec 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
22 Dec 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
21 Dec 23
25-NSE
Notification Filed By National Securities Exchanges Of The Removal From Listing And Registration Of Matured, Redeemed Or Retired Securities.
21 Dec 23
POS AM
Post-effective Amendment To An S-1 Or Other Registration Form.
21 Dec 23
POS AM
Post-effective Amendment To An S-1 Or Other Registration Form.
21 Dec 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
20 Nov 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
17 Nov 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
17 Nov 23
424B3
Prospectus Filed Pursuant To Rule 424(b)(3).
17 Nov 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
17 Nov 23
424B3
Prospectus Filed Pursuant To Rule 424(b)(3).
06 Nov 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
06 Nov 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
03 Oct 23
424B3
Prospectus Filed Pursuant To Rule 424(b)(3).
03 Oct 23
25-NSE
Notification Filed By National Securities Exchanges Of The Removal From Listing And Registration Of Matured, Redeemed Or Retired Securities.
15 Sep 23
6-K
Report Of Foreign Private Issuer Pursuant To Rules 13a-16 And 15d-16.
06 Sep 23
424B3
Prospectus Filed Pursuant To Rule 424(b)(3).
31 Aug 23