Alpha and Omega Semiconductor Limited AOSL NASDAQ

NASDAQ Global Select • Technology • Semiconductors • US • USD

SharesGrow Score

36/100

1/7 Pass

SharesGrow Intrinsic Value

Alpha and Omega Semiconductor Limited (AOSL) has 17 known insider and institutional holders on record. The largest holder is Chang Mike F with 4,355,155 shares. Other notable holders include Chang Stephen Chunping and Liang Yifan.

Over the last 12 months, insiders have made 30 transactions in AOSL stock — 8 buys (valued at $640.81K) and 6 sells (valued at $239.47K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

AOSL Insider Ownership

Top Holder

Chang Mike F

4,355,155 shares

Buys (12 mo)

$640.81K value

Sells (12 mo)

$239.47K value

12-Month Transaction Activity

Buy 27%

Sell 20%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Chang Mike F	10 Percent Owner	4,355,155	2026-03-25	100%
2	Chang Stephen Chunping	Chief Executive Officer	588,879	2026-03-18	14%
3	Liang Yifan	CFO and Corp Secretary	282,645	2026-03-18	6%
4	Ho Yueh-se	Director	193,592	2021-11-15	4%
5	Xue Bing	EVP-ww Sales & Bus Development	113,631	2026-03-18	3%
6	Owyang King	Director	75,256	2025-11-12	2%
7	Pfeiffer Michael L	Director	71,294	2025-11-12	2%
8	Li Wenjun	Chief Operating Officer	66,558	2026-03-25	2%
9	Salameh Michael J	Director	64,824	2025-11-12	1%
10	Chen Claudia	Director	32,253	2025-11-12	1%
11	Chang Lucas S.	Director	30,885	2025-11-12	1%
12	Stevens Mark A	10 Percent Owner	27,384	2012-09-18	1%
13	Li Hanqing	Director	23,800	2025-11-12	1%
14	Jeong So-yeon	Director	23,800	2025-11-12	1%
15	Yilmaz Hamza	Chief Technology Officer	16,768	2015-03-30	0%
16	Bailey Howard	Director	7,500	2013-11-13	0%
17	Chang Chuang Te	Director	7,500	2012-11-16	0%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-03-16	Li Wenjun	Chief Operating Officer	Tax Withholding of RSU	2,288	$21.43	$49.03K
2026-03-16	Chang Mike F	10 Percent Owner	Tax Withholding of RSU	14,419	$21.43	$309K
2026-03-16	Li Wenjun	Chief Operating Officer	Tax Withholding of RSU	2,267	$21.43	$48.58K
2026-03-16	Xue Bing	EVP-ww Sales & Bus Development	Informative Sell	2,408	$21.92	$52.78K
2026-03-16	Chang Stephen Chunping	Chief Executive Officer	Tax Withholding of RSU	17,839	$21.43	$382.29K
2026-03-16	Liang Yifan	CFO and Corp Secretary	Tax Withholding of RSU	4,610	$21.43	$98.79K
2026-03-16	Chang Mike F	10 Percent Owner	Tax Withholding of RSU	9,829	$21.43	$210.64K
2026-03-09	Chang Mike F	10 Percent Owner	Informative Buy	33,727	$19.00	$640.81K
2026-02-17	Xue Bing	EVP-ww Sales & Bus Development	Informative Sell	2,460	$22.33	$54.93K
2026-01-15	Xue Bing	EVP-ww Sales & Bus Development	Informative Sell	737	$22.43	$16.53K
2026-01-02	Li Wenjun	Chief Operating Officer	Tax Withholding of RSU	3,157	$20.66	$65.22K
2026-01-02	Xue Bing	EVP-ww Sales & Bus Development	Tax Withholding of RSU	8,627	$20.66	$178.23K
2026-01-02	Chang Stephen Chunping	Chief Executive Officer	Tax Withholding of RSU	12,002	$20.66	$247.96K
2026-01-02	Liang Yifan	CFO and Corp Secretary	Tax Withholding of RSU	8,627	$20.66	$178.23K
2026-01-02	Chang Mike F	10 Percent Owner	Tax Withholding of RSU	16,700	$20.66	$345.02K
2025-12-15	Xue Bing	EVP-ww Sales & Bus Development	Informative Sell	1,845	$20.56	$37.93K
2025-12-15	Liang Yifan	CFO and Corp Secretary	Gift (Given)	500	-	-
2025-11-14	Xue Bing	EVP-ww Sales & Bus Development	Informative Sell	1,845	$18.16	$33.51K
2025-11-11	Jeong So-yeon	Director	RSU Award	5,681	-	-
2025-11-11	Li Hanqing	Director	RSU Award	5,681	-	-
2025-11-11	Chen Claudia	Director	RSU Award	5,681	-	-
2025-11-11	Chang Lucas S.	Director	RSU Award	5,681	-	-
2025-11-11	Pfeiffer Michael L	Director	RSU Award	5,681	-	-
2025-11-11	Owyang King	Director	RSU Award	5,681	-	-
2025-11-11	Salameh Michael J	Director	RSU Award	5,681	-	-