Latest filings (excl ownership)
NT 10-Q
Notice of late quarterly filing
14 Nov 22
10-Q
2022 Q2
Quarterly report
22 Aug 22
NT 10-Q
Notice of late quarterly filing
15 Aug 22
10-Q
2022 Q1
Quarterly report
20 May 22
NT 10-Q
Notice of late quarterly filing
16 May 22
10-K
2021 FY
Annual report
31 Mar 22
10-Q
2021 Q3
Quarterly report
15 Nov 21
8-K
Changes in Control of Registrant
4 Nov 21
8-K
Changes in Registrant's Certifying Accountant
6 Oct 21
10-Q
2021 Q2
Quarterly report
23 Aug 21
NT 10-Q
Notice of late quarterly filing
16 Aug 21
10-Q
2021 Q1
Quarterly report
17 May 21
10-K
2020 FY
Annual report
15 Apr 21
NT 10-K
Notice of late annual filing
31 Mar 21
10-Q
2020 Q3
Quarterly report
16 Nov 20
10-Q
2020 Q2
Quarterly report
13 Aug 20
10-Q
2020 Q1
Quarterly report
19 Jun 20
8-K
Departure of Directors or Certain Officers
18 Jun 20
8-K
Other Events
14 May 20
10-K
2019 FY
Annual report
14 Apr 20
8-K
Entry into a Material Definitive Agreement
3 Apr 20
NT 10-K
Notice of late annual filing
31 Mar 20
10-Q
2019 Q3
Quarterly report
14 Nov 19
8-K
Amendments to Articles of Incorporation or Bylaws
7 Nov 19
8-K
Completion of Acquisition or Disposition of Assets
1 Oct 19
DEF 14C
Information statement
27 Sep 19
10-Q
2019 Q2
Quarterly report
27 Sep 19
10-Q
2019 Q1
Quarterly report
27 Sep 19
PRE 14C
Preliminary information
17 Sep 19
10-K
2018 FY
Annual report
12 Jul 19
8-K/A
Report of Independent Registered Public Accounting Firm
12 Jul 19
10-K/A
2017 FY
Annual report (amended)
12 Jul 19
8-K
Changes in Registrant's Certifying Accountant
5 Jul 19
8-K
Amendments to Articles of Incorporation or Bylaws
4 Mar 19
DEF 14C
Information statement
6 Feb 19
SC 14F1
Statement regarding change in majority of directors
6 Feb 19
10-Q
2018 Q3
Quarterly report
28 Jan 19
10-Q
2018 Q2
Quarterly report
28 Jan 19
10-Q
2018 Q1
Quarterly report
28 Jan 19
8-K/A
Entry into a Material Definitive Agreement
25 Jan 19
Latest ownership filings
4/A
Jimin Zhang
31 May 22
4
Jimin Zhang
2 May 22
4
Mao Zhang
4 Nov 21
4
Jimin Zhang
4 Nov 21
4
Jian Zhang
4 Nov 21
SC 13D/A
Northtech Holdings Inc.
1 Mar 21
SC 13D/A
Zhang Jimin
1 Mar 21
SC 13D
Ginko International Investment Co., Ltd
1 Mar 21
4/A
Jimin Zhang
1 Mar 21
4
Change in insider ownership
10 Feb 21
4
Change in insider ownership
10 Feb 21
4
Jimin Zhang
10 Feb 21
SC 13D
Smartheat Inc.
6 Feb 19
SC 13D
Smartheat Inc.
6 Feb 19
SC 13D
Smartheat Inc.
6 Feb 19
SC 13D/A
Smartheat Inc.
6 Feb 19
3
Jian Zhang
5 Feb 19
3
Mao Zhang
5 Feb 19
4
Jimin Zhang
18 Jun 18
4
Change in insider ownership
18 Jun 18
3
Jimin Zhang
11 Oct 17
4
Huajun Ai
11 Oct 17
4
Jun Wang
11 Oct 17
4
XUDONG WANG
11 Oct 17
4
Change in insider ownership
30 Dec 15
SC 13D/A
Smartheat Inc.
28 Jul 14
SC 13D/A
Smartheat Inc.
28 May 14
SC 13D/A
Smartheat Inc.
29 Aug 13
SC 13D
Northtech Holdings Inc.
7 Mar 13
SC 13D
William J & Mary Ann P McGrath Foundation
7 Nov 12