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CHKEW        0000895126    
Filing Date Form Type Description Document
2021-08-12 425 425 View Document
2021-08-11 425 425 View Document
2021-08-11 8-K FORM 8-K View Document
2021-08-11 425 425 View Document
2021-08-11 8-K FORM 8-K View Document
2021-08-10 10-Q 10-Q View Document
2021-08-10 8-K 8-K View Document
2021-06-25 EFFECT View Document
2021-06-23 CORRESP View Document
2021-06-23 S-3/A S-3/A View Document
2021-06-14 8-K 8-K View Document
2021-06-11 8-K 8-K View Document
2021-05-24 UPLOAD View Document
2021-05-17 S-3 View Document
2021-05-17 8-K 8-K View Document
2021-05-13 10-Q 10-Q View Document
2021-05-11 8-K 8-K View Document
2021-05-04 4 FORM 4 View Document
2021-04-30 10-K/A 10-K/A View Document
2021-04-27 8-K FORM 8-K View Document
2021-04-23 15-12G 15-12G View Document
2021-03-10 SC 13G View Document
2021-03-10 SC 13G View Document
2021-03-10 SC 13G View Document
2021-03-01 10-K 10-K View Document
2021-02-23 4 FORM 4 View Document
2021-02-23 4 FORM 4 View Document
2021-02-23 4 FORM 4 View Document
2021-02-23 4 FORM 4 View Document
2021-02-23 4 FORM 4 View Document
2021-02-23 4 FORM 4 View Document
2021-02-22 S-8 S-8 View Document
2021-02-19 3 OWNERSHIP DOCUMENT View Document
2021-02-19 SC 13G AMENDMENT NO. 1 View Document
2021-02-19 SC 13G SC 13G View Document
2021-02-16 SC 13G/A SC 13G/A View Document
2021-02-12 8-K 8-K View Document
2021-02-12 SC 13G/A View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-11 EFFECT View Document
2021-02-10 3 FORM 3 View Document
2021-02-10 3 FORM 3 View Document
2021-02-10 3 FORM 3 View Document
2021-02-10 3 FORM 3 View Document
2021-02-10 3 FORM 3 View Document
2021-02-10 3 FORM 3 View Document
2021-02-09 CERT View Document
2021-02-09 8-A12B 8-A12B View Document
2021-02-09 8-K 8-K View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 S-8 POS S-8 POS View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-09 POS AM POS AM View Document
2021-02-02 SC 13G/A View Document
2021-02-02 8-K 8-K View Document
2021-02-02 8-K 8-K View Document
2021-01-27 8-K FORM 8-K View Document

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