LakeShore Biopharma Co., Ltd. SEC EDGAR Filings (CIK 0001946399)

SEC EDGAR filings, ownership reports, and insider transactions for LakeShore Biopharma Co., Ltd..

Symbol
LSBCF, LSBWF on OTC
Industry
Pharmaceutical Preparations (Office Of Life Sciences)
Business address
Building No. 2, 38 Yongda Road, Daxing Biomedical Industry Park, Daxing District, Beijing, China, 102629
State of incorporation
Cayman Islands
Fiscal year end
31 March
Former names
YS Biopharma Co., Ltd. (to 24 May 2024), YishengBio Co., Ltd (to 21 Feb 2023)
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LakeShore Biopharma Co., Ltd. has filed 134 SEC EDGAR filings since 29 Sep 2022

Latest Filings

Recent SEC filings for LakeShore Biopharma Co., Ltd. including SC 13E3/A, 6-K, SCHEDULE 13D/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A AMENDMENT NO. 4 TO SCHEDULE 13E-3 06 Feb 2026 005-94412
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 06 Feb 2026 06 Feb 2026 001-41598
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 05 Feb 2026 005-94412
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 29 Jan 2026 29 Jan 2026 001-41598
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A AMENDMENT NO. 3 TO SCHEDULE 13E-3 20 Jan 2026 005-94412
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 20 Jan 2026 20 Jan 2026 001-41598
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A AMENDMENT NO. 2 TO SCHEDULE 13E-3 13 Jan 2026 005-94412
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A AMENDMENT NO. 1 TO SCHEDULE 13E-3 23 Dec 2025 005-94412
SC 13E3 Open SC 13E3 document | Open XBRL data View SEC filing for SC 13E3 SCHEDULE 13E-3 26 Nov 2025 005-94412
25-NSE Open 25-NSE document View SEC filing for 25-NSE 14 Nov 2025 333-269031
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 04 Nov 2025 005-94412
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 04 Nov 2025 04 Nov 2025 001-41598
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 29 Oct 2025 005-94412
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 22 Sep 2025 22 Sep 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 12 Sep 2025 12 Sep 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 10 Sep 2025 10 Sep 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 28 Aug 2025 28 Aug 2025 001-41598
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 27 Aug 2025 005-94412
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 18 Aug 2025 18 Aug 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 31 Jul 2025 31 Jul 2025 001-41598
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F ANNUAL REPORT 31 Jul 2025 31 Mar 2025 001-41598
SCHEDULE 13D Open SCHEDULE 13D document View SEC filing for SCHEDULE 13D 22 Jul 2025 005-94412
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 15 Jul 2025 005-94412
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 15 Jul 2025 15 Jul 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 08 Jul 2025 08 Jul 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 12 May 2025 12 May 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 06 May 2025 06 May 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 25 Mar 2025 25 Mar 2025 001-41598
S-8 POS Open S-8 POS document View SEC filing for S-8 POS POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 14 Mar 2025 333-279544
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 12 Mar 2025 12 Mar 2025 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 19 Dec 2024 19 Dec 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 12 Dec 2024 12 Dec 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 12 Nov 2024 12 Nov 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 07 Nov 2024 07 Nov 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 01 Nov 2024 01 Nov 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 29 Oct 2024 29 Oct 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 25 Oct 2024 25 Oct 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 08 Oct 2024 08 Oct 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 27 Sep 2024 27 Sep 2024 001-41598
6-K/A Open 6-K/A document View SEC filing for 6-K/A AMENDMENT NO. 1 TO FORM 6-K 10 Sep 2024 10 Sep 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 10 Sep 2024 10 Sep 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 04 Sep 2024 04 Sep 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 15 Aug 2024 15 Aug 2024 001-41598
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F ANNUAL REPORT 15 Aug 2024 31 Mar 2024 001-41598
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NOTIFICATION OF LATE FILING 31 Jul 2024 31 Mar 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 05 Jul 2024 05 Jul 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 18 Jun 2024 18 Jun 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 10 Jun 2024 10 Jun 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 24 May 2024 24 May 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 21 May 2024 21 May 2024 001-41598
S-8 Open S-8 document View SEC filing for S-8 REGISTRATION STATEMENT 20 May 2024 333-279544
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 08 May 2024 333-271221
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 07 May 2024 07 May 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 29 Apr 2024 29 Apr 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 19 Apr 2024 19 Apr 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 18 Apr 2024 18 Apr 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 09 Apr 2024 09 Apr 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 03 Apr 2024 03 Apr 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 05 Mar 2024 05 Mar 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 23 Feb 2024 23 Feb 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 22 Feb 2024 22 Feb 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 20 Feb 2024 20 Feb 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 20 Feb 2024 16 Feb 2024 001-41598
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 16 Feb 2024 005-94412
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 15 Feb 2024 005-94412
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Feb 2024 005-94412
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 14 Feb 2024 14 Feb 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 14 Feb 2024 14 Feb 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 14 Feb 2024 14 Feb 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 09 Feb 2024 09 Feb 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 26 Jan 2024 26 Jan 2024 001-41598
EFFECT Open EFFECT document View SEC filing for EFFECT 25 Jan 2024 333-271221
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POST-EFFECTIVE AMENDMENT TO REGISTRATION STATEMENT 23 Jan 2024 333-271221
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 22 Jan 2024 22 Jan 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 08 Jan 2024 08 Jan 2024 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 28 Dec 2023 28 Dec 2023 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 20 Dec 2023 20 Dec 2023 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 12 Dec 2023 12 Dec 2023 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 14 Nov 2023 14 Nov 2023 001-41598
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 31 Oct 2023 333-271221
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 31 Oct 2023 31 Oct 2023 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 26 Oct 2023 26 Oct 2023 001-41598
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 26 Sep 2023 333-271221
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 26 Sep 2023 26 Sep 2023 001-41598
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 25 Sep 2023 333-271221
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 25 Sep 2023 333-271221
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 25 Aug 2023 25 Aug 2023 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 16 Aug 2023 16 Aug 2023 001-41598
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 15 Aug 2023 333-271221
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Aug 2023 333-271221
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POST-EFFECTIVE AMENDMENT TO REGISTRATION STATEMENT 08 Aug 2023 333-271221
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F ANNUAL REPORT 26 Jul 2023 31 Mar 2023 001-41598
S-8 Open S-8 document View SEC filing for S-8 REGISTRATION STATEMENT 07 Jul 2023 333-273165
EFFECT Open EFFECT document View SEC filing for EFFECT 05 Jun 2023 333-271221
424B3 Open 424B3 document View SEC filing for 424B3 424B3 05 Jun 2023 333-271221
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 01 Jun 2023 01 Jun 2023 001-41598
CORRESP Open CORRESP document View SEC filing for CORRESP 31 May 2023
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 18 May 2023 18 May 2023 001-41598
6-K Open 6-K document View SEC filing for 6-K REPORT OF FOREIGN PRIVATE ISSUER 16 May 2023 16 May 2023 001-41598
CORRESP Open CORRESP document View SEC filing for CORRESP 12 May 2023
F-1/A Open F-1/A document View SEC filing for F-1/A F-1/A 12 May 2023 333-271221
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 26 Apr 2023
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 18 Apr 2023 18 Apr 2023 001-41598
F-1 Open F-1 document | Open XBRL data View SEC filing for F-1 FORM F-1 12 Apr 2023 333-271221
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Mar 2023 27 Mar 2023 001-41598
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 17 Mar 2023 17 Mar 2023 001-41598
CERT Open CERT document View SEC filing for CERT 16 Mar 2023 001-41598
425 Open 425 document View SEC filing for 425 425 14 Mar 2023
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Feb 2023 333-269031
425 Open 425 document View SEC filing for 425 425 21 Feb 2023
425 Open 425 document View SEC filing for 425 425 08 Feb 2023
424B3 Open 424B3 document View SEC filing for 424B3 424B3 08 Feb 2023 333-269031
EFFECT Open EFFECT document View SEC filing for EFFECT 07 Feb 2023 333-269031
F-4/A Open F-4/A document View SEC filing for F-4/A F-4/A 03 Feb 2023 333-269031
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Feb 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Jan 2023
F-4/A Open F-4/A document View SEC filing for F-4/A F-4/A 25 Jan 2023 333-269031
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 20 Jan 2023 001-41598
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Jan 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Jan 2023
F-4/A Open F-4/A document View SEC filing for F-4/A F-4/A 13 Jan 2023 333-269031
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 06 Jan 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Dec 2022
F-4 Open F-4 document View SEC filing for F-4 F-4 28 Dec 2022 333-269031
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 16 Dec 2022
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 07 Dec 2022
DRS/A Open DRS/A document View SEC filing for DRS/A 07 Dec 2022 377-06394
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 Nov 2022
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 14 Nov 2022
DRS/A Open DRS/A document View SEC filing for DRS/A 14 Nov 2022 377-06394
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 31 Oct 2022
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 03 Oct 2022
DRS Open DRS document View SEC filing for DRS 03 Oct 2022 377-06394
425 Open 425 document View SEC filing for 425 425 29 Sep 2022

About this filer

LakeShore Biopharma Co., Ltd. files with the SEC under CIK 0001946399. This page aggregates EDGAR filings and related ownership activity.

Industry: Pharmaceutical Preparations.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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Updates follow new EDGAR submissions and periodic data refreshes.

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