Financial reports
No filings
Current reports
No filings
Registration and prospectus
No filings
Proxies
DFAN14A
Additional proxy materials by non-management
17 Dec 13
DFAN14A
Additional proxy materials by non-management
26 May 09
DFAN14A
Additional proxy materials by non-management
19 May 09
DFAN14A
Additional proxy materials by non-management
19 May 09
DEFC14A
Proxy in contested solicitation
14 May 09
PRRN14A
Revised preliminary proxy statement filed by non-management
13 May 09
PRRN14A
Revised preliminary proxy statement filed by non-management
4 May 09
DFAN14A
Additional proxy materials by non-management
10 Apr 09
PREN14A
Preliminary proxy statement filed by non-management
10 Apr 09
Ownership
SC 13G/A
GT Biopharma, Inc.
23 May 24
SC 13D/A
Prairie Operating Co.
10 Apr 24
SC 13D/A
Prairie Operating Co.
19 Mar 24
SC 13D/A
Research Solutions, Inc.
12 Feb 24
SC 13D/A
Prairie Operating Co.
3 Jan 24
SC 13D/A
Prairie Operating Co.
13 Oct 23
SC 13D/A
Prairie Operating Co.
27 Sep 23
4
PAUL L. KESSLER
19 Sep 23
SC 13D/A
Prairie Operating Co.
13 Sep 23
3
PAUL L. KESSLER
7 Aug 23