ALPHA & OMEGA SEMICONDUCTOR Ltd

Nasdaq:AOSL

Semiconductors & Related Devices·SUNNYVALE, CA

Alpha ALF-ə is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one.

CEO

Chang Stephen Chunping

CFO

Liang Yifan

Financials

20 shown

Type	Period	Ended	Filed
10-Q	Q4 2025	12/31/25	2/5/26	→
10-Q	Q3 2025	9/30/25	11/6/25	→
10-K	FY 2025	6/30/25	8/28/25	→
10-Q	Q1 2025	3/31/25	5/8/25	→
10-Q	Q4 2024	12/31/24	2/6/25	→
10-Q	Q3 2024	9/30/24	11/5/24	→
↓

Earnings Releases (8-K)

42 shown

Filed	Period
2/5/26	Q3 FY20268-K EARNING RELEASE Q2'2026	→
11/5/25	Q2 FY20268-K Q1'26 EARNING RELEASAE	→
8/6/25	Q1 FY2026	→
5/7/25	Q4 FY2025	→
2/5/25	Q3 FY2025	→
11/4/24	Q2 FY2025	→
↓

News (8-K)

38 shown

Filed	Type	Description
3/9/26	Exec Change	8-K BONUS PLAN 2026	→
11/17/25	Vote	8-K 2025 ANNUAL MEETING VOTING	→
7/14/25	Agreement	8-K AOS ANNOUNCED SALE OF A PORTION OF ITS EQUITY INTEREST IN CQJV	→
6/4/25	Other	Changes in Registrant's Certifying Accountant	→
3/4/25	Exec Change	8-K 2025 TRANSITION AND BONUS PLAN	→
11/25/24	Other	Changes in Registrant's Certifying Accountant	→
↓

Prospectuses & Registrations

33 shown

Filed	Form	Description
9/18/25	ARS	ARS FY2025 10K	→
8/28/25	S-8	S-8 2025	→
9/25/24	ARS	ARS FY 2024 10K	→
5/8/24	S-8	S-8 2024	→
9/25/23	ARS	ARS FY 2023 10K	→
2/8/23	S-8	S-8 2023	→
↓

Filing History(935 filings)

TypeDateAccessionPeriodSize

8-K

Mar 9, 2026

0001387467-26-0000198-K BONUS PLAN 2026

Mar 5, 2026

151.2 KB

Feb 27, 2026

0001387467-26-000015SD 2025

—

34.5 KB

Feb 18, 2026

0001787488-26-000004FORM 4

Feb 17, 2026

5.9 KB

144

Feb 17, 2026

0001950047-26-001305

—

6.0 KB

10-Q

Feb 5, 2026

0001387467-26-00001310-Q Q2'26

Dec 31, 2025

8.2 MB

8-K

Feb 5, 2026

0001387467-26-0000128-K EARNING RELEASE Q2'2026

Feb 5, 2026

535.4 KB

Jan 16, 2026

0001387467-26-000006FORM 4

Jan 15, 2026

5.9 KB

144

Jan 15, 2026

0001950047-26-000438

—

6.6 KB

Jan 5, 2026

0001387467-26-000005FORM 4

Jan 2, 2026

6.1 KB

Jan 5, 2026

0001387467-26-000004FORM 4

Jan 2, 2026

5.8 KB

Jan 5, 2026

0001387467-26-000003FORM 4

Jan 2, 2026

5.8 KB

Jan 5, 2026

0001387467-26-000002FORM 4

Jan 2, 2026

6.0 KB

Jan 5, 2026

0001387467-26-000001FORM 4

Jan 2, 2026

5.7 KB

Dec 16, 2025

0001628280-25-057463FORM 4

Dec 15, 2025

5.7 KB

Dec 16, 2025

0001628280-25-057460FORM 4

Dec 15, 2025

5.9 KB

144

Dec 15, 2025

0001950047-25-010271

—

5.3 KB

Nov 17, 2025

0001387467-25-000080FORM 4

Nov 14, 2025

6.1 KB

8-K

Nov 17, 2025

0001387467-25-0000798-K 2025 ANNUAL MEETING VOTING

Nov 11, 2025

166.5 KB

144

Nov 14, 2025

0001950047-25-008857

—

4.7 KB

Nov 12, 2025

0001387467-25-000075FORM 4

Nov 11, 2025

4.9 KB

Nov 12, 2025

0001387467-25-000074FORM 4

Nov 11, 2025

5.0 KB

Nov 12, 2025

0001387467-25-000073FORM 4

Nov 11, 2025

5.0 KB

Nov 12, 2025

0001387467-25-000072FORM 4

Nov 11, 2025

4.9 KB

Nov 12, 2025

0001387467-25-000071FORM 4

Nov 11, 2025

5.0 KB

Nov 12, 2025

0001387467-25-000070FORM 4

Nov 11, 2025

4.9 KB

25 filings shown

ALPHA & OMEGA SEMICONDUCTOR Ltd

Financials

Earnings Releases (8-K)

News (8-K)

Prospectuses & Registrations

Filing History(935 filings)

Proxies

Ownership

Other Filings

Filed	Form	Description
9/18/25	DEFA14A	DEFA14A FY 2025	→
9/18/25	DEF 14A	DEF 14A	→
9/25/24	DEFA14A	DEFA14A FY 2024	→
9/25/24	DEF 14A	DEF 14A	→
9/25/23	DEFA14A	DEFA14A FY 2023	→
9/25/23	DEF 14A	DEF 14A	→
↓

Filed	Form	Description
2/18/26	4	4	→
1/16/26	4	4	→
1/5/26	4	4	→
1/5/26	4	4	→
1/5/26	4	4	→
1/5/26	4	4	→
↓

Filed	Form	Description
2/27/26	SD	SD 2025	→
2/17/26	144	144	→
1/15/26	144	144	→
12/15/25	144	144	→
11/14/25	144	144	→
8/14/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
↓