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CRK        0000023194    
Filing Date Form Type Description Document
2022-08-25 4 PRIMARY DOCUMENT View Document
2022-08-25 4 PRIMARY DOCUMENT View Document
2022-08-25 4 PRIMARY DOCUMENT View Document
2022-08-25 4 PRIMARY DOCUMENT View Document
2022-08-25 4 PRIMARY DOCUMENT View Document
2022-08-25 4 PRIMARY DOCUMENT View Document
2022-08-25 4 PRIMARY DOCUMENT View Document
2022-08-08 4 PRIMARY DOCUMENT View Document
2022-08-04 10-Q 10-Q View Document
2022-08-01 8-K 8-K View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-16 4 PRIMARY DOCUMENT View Document
2022-06-15 8-K 8-K View Document
2022-06-10 4 PRIMARY DOCUMENT View Document
2022-06-10 4 PRIMARY DOCUMENT View Document
2022-06-10 4 PRIMARY DOCUMENT View Document
2022-06-10 4 PRIMARY DOCUMENT View Document
2022-06-10 4 PRIMARY DOCUMENT View Document
2022-06-10 4 PRIMARY DOCUMENT View Document
2022-06-10 4 PRIMARY DOCUMENT View Document
2022-06-06 4 PRIMARY DOCUMENT View Document
2022-06-06 4 PRIMARY DOCUMENT View Document
2022-06-06 4 PRIMARY DOCUMENT View Document
2022-06-06 4 PRIMARY DOCUMENT View Document
2022-06-06 4 PRIMARY DOCUMENT View Document
2022-06-06 4 PRIMARY DOCUMENT View Document
2022-06-06 4 PRIMARY DOCUMENT View Document
2022-05-16 8-K 8-K View Document
2022-05-05 10-Q 10-Q View Document
2022-05-03 8-K 8-K View Document
2022-04-22 DEF 14A DEF 14A View Document
2022-04-14 8-K 8-K View Document
2022-02-17 10-K 10-K View Document
2022-02-15 8-K 8-K View Document
2022-01-24 8-K 8-K View Document
2021-12-30 4 PRIMARY DOCUMENT View Document
2021-11-16 8-K 8-K View Document
2021-11-04 10-Q 10-Q View Document
2021-11-02 8-K 8-K View Document
2021-10-07 8-K 8-K View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-23 4 PRIMARY DOCUMENT View Document
2021-08-18 4 PRIMARY DOCUMENT View Document
2021-08-18 4 PRIMARY DOCUMENT View Document
2021-08-18 4 PRIMARY DOCUMENT View Document
2021-08-18 4 PRIMARY DOCUMENT View Document
2021-08-18 4 PRIMARY DOCUMENT View Document
2021-08-05 10-Q 10-Q View Document
2021-08-03 8-K 8-K View Document
2021-06-29 8-K 8-K View Document
2021-06-15 3/A PRIMARY DOCUMENT View Document
2021-06-14 8-K 8-K View Document
2021-06-14 8-K 8-K View Document
2021-06-11 3 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-10 4 PRIMARY DOCUMENT View Document
2021-06-09 8-K 8-K View Document
2021-06-08 SC 13D/A SCHEDULE 13D/A View Document
2021-06-03 4 PRIMARY DOCUMENT View Document
2021-06-03 4 PRIMARY DOCUMENT View Document
2021-06-03 4 PRIMARY DOCUMENT View Document
2021-06-03 4 PRIMARY DOCUMENT View Document
2021-06-03 4 PRIMARY DOCUMENT View Document
2021-06-03 4 PRIMARY DOCUMENT View Document
2021-06-03 4 PRIMARY DOCUMENT View Document
2021-05-28 EFFECT View Document
2021-05-25 CORRESP View Document
2021-05-24 UPLOAD View Document
2021-05-17 S-3 S-3 View Document
2021-05-06 10-Q 10-Q View Document
2021-05-04 8-K 8-K View Document
2021-04-23 DEF 14A DEF 14A View Document
2021-03-08 8-K 8-K View Document
2021-03-04 8-K 8-K View Document
2021-03-03 8-K 8-K View Document

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