Financial reports
NT 20-F
Notice of late annual filing (foreign)
29 Feb 24
20-F
2022 FY
Annual report (foreign)
15 Mar 23
NT 20-F
Notice of late annual filing (foreign)
28 Feb 23
20-F/A
2021 FY
Annual report (foreign) (amended)
8 Mar 22
20-F
2021 FY
Annual report (foreign)
7 Mar 22
NT 20-F
Notice of late annual filing (foreign)
28 Feb 22
20-F/A
2020 FY
Annual report (foreign) (amended)
29 Apr 21
20-F
2020 FY
Annual report (foreign)
26 Apr 21
Current reports
6-K
Current report (foreign)
26 Apr 24
6-K
Notice of 2024 Extraordinary General Meeting of Shareholders
17 Apr 24
6-K
Current report (foreign)
10 Apr 24
6-K
Current report (foreign)
14 Feb 24
6-K
Current report (foreign)
30 Oct 23
6-K
Current report (foreign)
27 Jul 23
6-K
Current report (foreign)
28 Jun 23
6-K
Current report (foreign)
14 Nov 22
6-K
Current report (foreign)
31 Oct 22
6-K
Current report (foreign)
27 Oct 22
Registration and prospectus
S-8
Registration of securities for employees
25 Jul 23
F-3/A
Shelf registration (foreign) (amended)
16 May 23
F-3
Shelf registration (foreign)
20 Jan 23
S-8 POS
Registration of securities for employees (post-effective amendment)
18 Apr 22
S-8
Registration of securities for employees
3 Dec 21
AW
Withdrawal of amendment
29 Jul 21
POS AM
Prospectus update (post-effective amendment)
16 Jul 21
424B4
Prospectus supplement with pricing info
4 Jun 21
F-1MEF
Registration statement to add securities to prior F-1 registration
3 Jun 21
F-1/A
Registration statement (foreign) (amended)
2 Jun 21
Proxies
No filings
Other
EFFECT
Notice of effectiveness
1 Jun 23
CORRESP
Correspondence with SEC
26 May 23
UPLOAD
Letter from SEC
30 Jan 23
UPLOAD
Letter from SEC
5 Oct 22
CORRESP
Correspondence with SEC
13 Sep 22
UPLOAD
Letter from SEC
31 Aug 22
EFFECT
Notice of effectiveness
3 Jun 21
CORRESP
Correspondence with SEC
2 Jun 21
CORRESP
Correspondence with SEC
2 Jun 21
CORRESP
Correspondence with SEC
1 Jun 21
Ownership
SC 13G
Xu Sheng
14 Feb 24
SC 13G/A
INTRACOASTAL CAPITAL, LLC
6 Feb 24
SC 13D
Wang Zhe
18 Aug 23
SC 13G/A
CVI Investments, Inc.
14 Feb 23
SC 13G/A
INTRACOASTAL CAPITAL, LLC
8 Feb 23
SC 13G/A
CVI Investments, Inc.
14 Feb 22
SC 13G/A
INTRACOASTAL CAPITAL, LLC
11 Feb 22
SC 13G
Ayrton Capital LLC
14 Jun 21
SC 13G
CVI Investments, Inc.
14 Jun 21
SC 13G
INTRACOASTAL CAPITAL, LLC
11 Jun 21