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BYSI        0001677940    
Filing Date Form Type Description Document
2024-06-12 424B5 424B5 View Document
2024-04-29 20-F FORM 20-F View Document
2024-03-18 6-K 6-K View Document
2024-02-26 6-K 6-K View Document
2024-02-14 SC 13G/A SC 13G/A View Document
2024-02-02 6-K FORM 6-K View Document
2024-01-16 6-K 6-K View Document
2024-01-10 6-K 6-K View Document
2023-12-18 6-K 6-K View Document
2023-10-30 6-K 6-K View Document
2023-10-04 6-K 6-K View Document
2023-09-21 UPLOAD View Document
2023-09-20 6-K 6-K View Document
2023-09-15 CORRESP View Document
2023-09-05 UPLOAD View Document
2023-07-14 6-K 6-K View Document
2023-05-12 6-K 6-K View Document
2023-04-18 6-K 6-K View Document
2023-04-18 20-F FORM 20-F View Document
2023-04-07 SC 13G/A SC 13G/A View Document
2023-03-14 6-K 6-K View Document
2023-02-28 6-K FORM 6-K View Document
2023-02-24 6-K 6-K View Document
2023-02-14 SC 13G/A SC 13G/A View Document
2023-01-09 6-K 6-K View Document
2022-12-30 6-K 6-K View Document
2022-11-23 6-K 6-K View Document
2022-08-29 6-K 6-K View Document
2022-06-13 6-K 6-K View Document
2022-06-09 6-K 6-K View Document
2022-04-22 6-K 6-K View Document
2022-04-14 20-F FORM 20-F View Document
2022-02-14 SC 13G/A View Document
2022-02-14 SC 13G SC 13G View Document
2022-02-14 SC 13G/A SC 13G/A View Document
2022-02-11 SC 13G/A SC 13G/A View Document
2022-01-11 6-K 6-K View Document
2021-12-30 6-K FORM 6-K View Document
2021-12-27 6-K 6-K View Document
2021-12-01 6-K 6-K View Document
2021-11-10 6-K 6-K View Document
2021-09-21 6-K 6-K View Document
2021-09-10 6-K FORM 6-K View Document
2021-08-26 6-K 6-K View Document
2021-08-05 6-K 6-K View Document
2021-08-04 6-K 6-K View Document
2021-07-14 6-K 6-K View Document
2021-07-13 EFFECT View Document
2021-07-09 CORRESP View Document
2021-07-08 UPLOAD View Document
2021-07-02 F-3 F-3 View Document
2021-06-16 6-K 6-K View Document
2021-04-30 20-F 20-F View Document
2021-04-01 6-K 6-K View Document
2021-03-29 6-K/A 6-K/A View Document
2021-03-19 6-K 6-K View Document
2021-03-16 6-K 6-K View Document
2021-02-16 SC 13G/A SC 13G/A View Document
2021-02-09 6-K FORM 6-K View Document
2021-02-08 SC 13G SEC SCHEDULE 13G View Document
2020-12-18 6-K 6-K View Document
2020-12-08 SC 13D/A AMENDMENT TO FORM SC 13D View Document
2020-11-23 6-K FORM 6-K View Document
2020-11-19 424B5 424B5 View Document
2020-11-17 424B5 424B5 View Document
2020-11-17 6-K 6-K View Document
2020-11-16 6-K FORM 6-K View Document
2020-11-13 6-K 6-K View Document
2020-11-12 EFFECT View Document
2020-11-10 CORRESP View Document
2020-11-09 UPLOAD View Document
2020-11-03 F-3 F-3 View Document
2020-09-22 6-K 6-K View Document
2020-09-03 6-K 6-K View Document
2020-08-19 6-K 6-K View Document
2020-07-27 SC 13D ACQUISITION OF BENEFICIAL OWNERSHIP View Document
2020-07-24 S-8 S-8 View Document
2020-07-24 6-K 6-K View Document
2020-06-23 6-K FORM 6-K View Document
2020-06-19 424B5 424B5 View Document
2020-06-18 424B5 424B5 View Document
2020-06-15 6-K FORM 6-K View Document
2020-06-11 6-K 6-K View Document
2020-04-30 20-F 20-F View Document
2020-03-11 6-K 6-K View Document
2020-02-10 SC 13G/A SC 13G/A View Document
2020-02-07 6-K FORM 6-K View Document
2020-02-07 424B5 424B5 View Document
2020-01-23 6-K FORM 6-K View Document
2019-12-18 6-K 6-K View Document
2019-10-29 6-K 6-K View Document
2019-10-28 424B5 424B5 View Document
2019-10-25 424B5 424B5 View Document
2019-10-21 EFFECT View Document
2019-10-17 UPLOAD View Document
2019-10-17 CORRESP View Document
2019-10-15 F-3 F-3 View Document
2019-09-18 6-K 6-K View Document
2019-08-02 SC 13G SC 13G View Document
2019-07-19 6-K FORM 6K View Document

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