ALPHA & OMEGA SEMICONDUCTOR Ltd — All Filings
945 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
10-K
10-K/A
10-Q
144
20-F
3
4
4/A
424B4
5
6-K
8-A12B
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
EFFECT
F-1
F-1/A
FWP
NT 10-K
PRE 14A
REGDEX
S-3
S-3/A
S-8
S-8 POS
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | FORM 4 | 0001387467-20-000038 | Jul 8, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001387467-20-000036 | Jul 8, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001387467-20-000039 | Jul 8, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001387467-20-000040 | Jul 8, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001387467-20-000037 | Jul 8, 2020 | Mar 16, 2020 |
| SD | SD | 0001387467-20-000025 | Jun 12, 2020 | — |
| 10-Q | 10-Q | 0001387467-20-000023 | May 11, 2020 | Mar 31, 2020 |
| 8-K | ALPHA AND OMEGA SEMICONDUCTOR LIMITED 8-K | 0001157523-20-000656 | May 5, 2020 | — |
| 4 | FORM 4 | 0001387467-20-000018 | Mar 18, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001387467-20-000016 | Mar 18, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001387467-20-000019 | Mar 18, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001387467-20-000020 | Mar 18, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001387467-20-000017 | Mar 18, 2020 | Mar 16, 2020 |
| UPLOAD | — | 0000000000-20-001785 | Feb 27, 2020 | — |
| CORRESP | — | 0001387467-20-000010 | Feb 26, 2020 | — |
| UPLOAD | — | 0000000000-20-001483 | Feb 18, 2020 | — |
| SC 13G/A | SC 13G/A | 0001019056-20-000099 | Feb 13, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-20-000763 | Feb 12, 2020 | — |
| SC 13G/A | SC 13G/A 2019 MIKE | 0001387467-20-000007 | Feb 12, 2020 | — |
| 10-Q | 10-Q DECEMBER 31, 2019 Q2' 2020 | 0001387467-20-000005 | Feb 10, 2020 | Dec 31, 2019 |
| 8-K | ALPHA AND OMEGA SEMICONDUCTOR LIMITED 8-K | 0001157523-20-000153 | Feb 5, 2020 | — |
| SC 13G/A | — | 0000834237-20-004690 | Feb 5, 2020 | — |
| SC 13G/A | — | 0000906304-20-000074 | Jan 29, 2020 | — |
| 4 | FORM 4 | 0001387467-20-000002 | Jan 2, 2020 | Dec 30, 2019 |
| 4 | FORM 4 | 0001387467-19-000067 | Dec 20, 2019 | — |
| 10-Q | 10-Q Q1 2020 | 0001387467-19-000051 | Nov 12, 2019 | Sep 30, 2019 |
| 8-K | 8-K 2019 ANNUAL MEETING VOTE RESULT | 0001387467-19-000053 | Nov 12, 2019 | Nov 7, 2019 |
| 4 | FORM 4 | 0001387467-19-000060 | Nov 12, 2019 | Nov 7, 2019 |
| 4 | FORM 4 | 0001387467-19-000061 | Nov 12, 2019 | Nov 7, 2019 |
| 4 | FORM 4 | 0001387467-19-000062 | Nov 12, 2019 | Nov 7, 2019 |
| 4 | FORM 4 | 0001387467-19-000063 | Nov 12, 2019 | Nov 7, 2019 |
| 3 | FORM 3 | 0001387467-19-000064 | Nov 12, 2019 | Nov 7, 2019 |
| 4 | FORM 4 | 0001387467-19-000065 | Nov 12, 2019 | Nov 7, 2019 |
| 8-K | ALPHA AND OMEGA SEMICONDUCTOR LIMITED 8-K | 0001157523-19-002177 | Nov 4, 2019 | — |
| DEF 14A | DEF 14A 2019 | 0001387467-19-000048 | Oct 7, 2019 | Nov 8, 2019 |
| 3 | FORM 3 | 0001387467-19-000045 | Sep 26, 2019 | Sep 18, 2019 |
| 3 | FORM 3 | 0001387467-19-000046 | Sep 26, 2019 | Sep 18, 2019 |
| 10-K | 10-K FY 2019 | 0001387467-19-000040 | Aug 23, 2019 | Jun 30, 2019 |
| 8-K | ALPHA AND OMEGA SEMICONDUCTOR LIMITED 8-K | 0001157523-19-001751 | Aug 7, 2019 | — |
| CT ORDER | — | 9999999997-19-006207 | Jul 23, 2019 | — |
| SD | SD 2018 | 0001387467-19-000036 | May 13, 2019 | — |
| 8-K | 8-K DIRECTOR NOMINATION | 0001387467-19-000034 | May 9, 2019 | May 6, 2019 |
| 10-Q | 10-Q MARCH 31, 2019 | 0001387467-19-000032 | May 3, 2019 | Mar 31, 2019 |
| 8-K | ALPHA AND OMEGA SEMICONDUCTOR LIMITED 8-K | 0001157523-19-001055 | May 2, 2019 | — |
| 4 | FORM 4 | 0001387467-19-000029 | Apr 1, 2019 | Mar 29, 2019 |
| 4 | FORM 4 | 0001387467-19-000025 | Mar 18, 2019 | Mar 15, 2019 |
| 4 | FORM 4 | 0001387467-19-000024 | Mar 18, 2019 | Mar 15, 2019 |
| 4 | FORM 4 | 0001387467-19-000026 | Mar 18, 2019 | Mar 15, 2019 |
| 4 | FORM 4 | 0001387467-19-000027 | Mar 18, 2019 | Mar 15, 2019 |
| 4 | FORM 4 | 0001387467-19-000018 | Mar 1, 2019 | Feb 27, 2019 |