Latest filings (excl ownership)
15-12G
Securities registration termination
13 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
S-8 POS
Registration of securities for employees (post-effective amendment)
8 Mar 23
6-K
O2Micro Announces Completion of Merger
3 Mar 23
SC 13E3/A
Going private transaction (amended)
3 Mar 23
25-NSE
Exchange delisting
3 Mar 23
6-K
O2Micro Announces Shareholders’ Approval of Merger Agreement
1 Feb 23
6-K
Current report (foreign)
19 Jan 23
6-K
O2Micro to Hold Extraordinary General Meeting of Shareholders
16 Dec 22
SC 13E3/A
Going private transaction (amended)
16 Dec 22
SC 13E3/A
Going private transaction (amended)
28 Nov 22
CORRESP
Correspondence with SEC
28 Nov 22
6-K
Current report (foreign)
16 Nov 22
UPLOAD
Letter from SEC
15 Nov 22
6-K
O2Micro Reports Third Quarter 2022 Financial Results
4 Nov 22
SC 13E3
Going private transaction
31 Oct 22
6-K
Current report (foreign)
13 Oct 22
6-K
O2Micro Enters into Definitive Agreement for “Going Private” Transaction
30 Sep 22
6-K
O2Micro Announces Receipt of a Revised Preliminary Non-Binding Proposal to Acquire the Company
19 Sep 22
6-K
O2Micro Reports Second Quarter 2022 Financial Results
1 Aug 22
6-K
Current report (foreign)
13 Jul 22
6-K
O2Micro Announces Receipt of an Updated Preliminary Non-Binding Proposal to Acquire the Company
20 May 22
6-K
O2Micro Reports First Quarter 2022 Financial Results
10 May 22
SD
Conflict minerals disclosure
18 Apr 22
20-F
2021 FY
Annual report (foreign)
15 Apr 22
6-K
Current report (foreign)
12 Apr 22
6-K
O2Micro Announces Engagement of Independent Financial Advisor and Legal Counsel to the Special Committee
25 Mar 22
6-K
O2Micro Announces Receipt of a Preliminary Non-Binding Proposal to Acquire the Company
18 Mar 22
6-K
Patent Granted to O2Micro for System and Methods for Driving a Battery Pack
14 Feb 22
6-K
O2Micro Reports Fourth Quarter 2021 Financial Results
26 Jan 22
6-K
Patent Granted to O2Micro for System and Method for Driving Light Source
20 Jan 22
6-K
O2Micro to Announce Fourth Quarter 2021 Results and Revises Fourth Quarter 2021 Financial Guidance
5 Jan 22
Latest ownership filings
SC 13G/A
Grandeur Peak Global Advisors, LLC
17 Mar 23
SC 13G/A
DnB Asset Management AS
10 Mar 23
SC 13D/A
Kuo Chuan-Chiung
3 Mar 23
SC 13G
Lu Kevin
24 Feb 23
SC 13G/A
RENAISSANCE TECHNOLOGIES LLC
13 Feb 23
SC 13G/A
Grandeur Peak Global Advisors, LLC
13 Feb 23
SC 13G/A
DnB Asset Management AS
31 Jan 23
SC 13D/A
Kuo Chuan-Chiung
3 Oct 22
SC 13D/A
Kuo Chuan-Chiung
20 Sep 22
SC 13D
Kuo Chuan-Chiung
3 Jun 22
SC 13G/A
RENAISSANCE TECHNOLOGIES LLC
11 Feb 22
SC 13G/A
Grandeur Peak Global Advisors, LLC
11 Feb 22
SC 13G/A
DnB Asset Management AS
9 Feb 22
SC 13G/A
HIRSCHMAN ORIN
20 Jan 22
SC 13G
HIRSCHMAN ORIN
30 Sep 21
SC 13G/A
DnB Asset Management AS
12 Feb 21
SC 13G/A
RENAISSANCE TECHNOLOGIES LLC
11 Feb 21
SC 13G/A
Grandeur Peak Global Advisors, LLC
12 Jan 21
SC 13G
HIRSCHMAN ORIN
6 Nov 20
SC 13G/A
O2MICRO International LTD
19 Feb 20
SC 13G/A
Beneficial ownership report (amended)
13 Feb 20
SC 13G/A
O2MICRO International LTD
16 Jan 20
SC 13G/A
O2MICRO International LTD
1 Aug 19
SC 13G/A
O2MICRO International LTD
13 Feb 19
SC 13G/A
O2MICRO International LTD
15 Feb 18
SC 13G/A
O2MICRO International LTD
14 Feb 18
SC 13G/A
O2MICRO International LTD
20 Sep 17
SC 13G/A
O2MICRO International LTD
14 Feb 17
SC 13G/A
O2MICRO International LTD
30 Jan 17
SC 13G/A
O2MICRO International LTD
2 Jun 16
SC 13G/A
O2MICRO International LTD
17 Feb 16
SC 13G/A
O2MICRO International LTD
11 Feb 16
SC 13G/A
O2MICRO International LTD
19 Jan 16
SC 13G
O2MICRO International LTD
6 Nov 15
SC 13G/A
O2MICRO International LTD
19 Aug 15
SC 13D/A
O2MICRO International LTD
13 May 15
SC 13G
O2MICRO International LTD
17 Feb 15
SC 13G/A
O2MICRO International LTD
12 Feb 15
SC 13G/A
O2MICRO International LTD
4 Feb 15
SC 13D/A
O2MICRO International LTD
2 Feb 15