SEC Filings

Filing date Form Description Filing Group View
SC 13G/A

An amendment to the SC 13G filing
Other
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0001104659-24-024912.pdf
0001104659-24-024912.rtf
0001104659-24-024912.xls
SC 13G

A statement of beneficial ownership of common stock by certain persons
Other
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0001104659-24-024545.pdf
0001104659-24-024545.rtf
0001104659-24-024545.xls
6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Current Reports
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0001213900-24-013641.pdf
0001213900-24-013641.rtf
0001213900-24-013641.xls
6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Current Reports
 View HTML
0001213900-24-013648.pdf
0001213900-24-013648.rtf
0001213900-24-013648.xls
6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Current Reports
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0001213900-24-013651.pdf
0001213900-24-013651.rtf
0001213900-24-013651.xls
SC 13D

Filing by person(s) reporting owned shares of common stock in a public company >5%
Other
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0001213900-24-013772.pdf
0001213900-24-013772.rtf
0001213900-24-013772.xls
6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Current Reports
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0001213900-24-011804.pdf
0001213900-24-011804.rtf
0001213900-24-011804.xls
6-K

Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act
Current Reports
 View HTML
0001213900-24-006671.pdf
0001213900-24-006671.rtf
0001213900-24-006671.xls
EFFECT

EFFECT
Other
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9999999995-24-000203.pdf
9999999995-24-000203.rtf
9999999995-24-000203.xls
POS AM

Post-effective amendment to an S-Type filing
Registration Statements
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0001213900-24-005752.pdf
0001213900-24-005752.rtf
0001213900-24-005752.xls
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
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Contact Info

YS Biopharma Co., Ltd.

11 Firstfield Road Suite A
Gaithersburg, Maryland 20878 USA

Tel: +1 (301) 208 8823
Fax: +1 (301) 208 8827

bjinfo@yishengbio.com