AOSL

ALPHA & OMEGA SEMICONDUCTOR Ltd

Insider trading activity for ALPHA & OMEGA SEMICONDUCTOR Ltd, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$29.7K

net selling

Bought(0 · 0 insiders): $0
Sold(1 · 1 insiders): $29.7K

Past 6 months

-$2.5M

net selling

Bought(0 · 0 insiders): $0
Sold(14 · 4 insiders): $2.5M

Past 12 months

-$2M

net selling

Bought(1 · 1 insiders): $640.8K
Sold(19 · 4 insiders): $2.7M

Transaction history

The 66 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 24	Chang Stephen Chunping	Chief Executive Officer	GGIFT	100,947	—	—	—	Open the original filing on SEC.gov
Aug 24	Chang Mike F	Director, 10% Owner	GGIFT	100,947	—	—	-2.7%	Open the original filing on SEC.gov
Aug 13	Chang Mike F	Director, 10% Owner	GGIFT	3M	—	—	-84.3%	Open the original filing on SEC.gov
Jul 20	Chien Joshua C.	Director	AGRANT	1,368	—	—	—	Open the original filing on SEC.gov
Jul 16	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	875	$33.99	$29.7K	-0.7%	Open the original filing on SEC.gov
Jul 13	Chang Mike F	Director, 10% Owner	GGIFT	23,754	—	—	-0.7%	Open the original filing on SEC.gov
Jun 16	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	4,916	$47.09	$231.5K	-3.8%	Open the original filing on SEC.gov
Jun 1	Chang Mike F	Director, 10% Owner	GGIFT	30,000	—	—	-0.8%	Open the original filing on SEC.gov
May 26	Chang Mike F	Director, 10% Owner	GGIFT	39,780	—	—	-1.1%	Open the original filing on SEC.gov
May 22	Chen Claudia	Director	SSELL◷	217	$40.54	$8.8K	-0.8%	Open the original filing on SEC.gov
May 22	Chen Claudia	Director	SSELL◷	3,844	$39.47	$151.7K	-11.9%	Open the original filing on SEC.gov
May 22	Chang Mike F	Director, 10% Owner	GGIFT	736,252	—	—	-16.8%	Open the original filing on SEC.gov
May 21	Chang Stephen Chunping	Chief Executive Officer	GGIFT	2,000	—	—	-0.3%	Open the original filing on SEC.gov
May 18	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	4,916	$41.00	$201.6K	-3.7%	Open the original filing on SEC.gov
Apr 28	Liang Yifan	CFO and Corp Secretary	GGIFT	300	—	—	-0.1%	Open the original filing on SEC.gov
Apr 27	Liang Yifan	CFO and Corp Secretary	GGIFT	300	—	—	-0.1%	Open the original filing on SEC.gov
Apr 17	Liang Yifan	CFO and Corp Secretary	SSELL◷	8,625	$35.00	$301.9K	-3.1%	Open the original filing on SEC.gov
Apr 17	Chang Stephen Chunping	Chief Executive Officer	SSELL◷	9,911	$34.90	$345.9K	-1.5%	Open the original filing on SEC.gov
Apr 17	Chang Stephen Chunping	Chief Executive Officer	SSELL◷	3,481	$33.90	$118K	-0.5%	Open the original filing on SEC.gov
Apr 17	Chang Stephen Chunping	Chief Executive Officer	SSELL◷	1,492	$32.90	$49.1K	-0.2%	Open the original filing on SEC.gov
Apr 16	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	1,832	$31.21	$57.2K	-1.4%	Open the original filing on SEC.gov
Apr 14	Liang Yifan	CFO and Corp Secretary	SSELL◷	11,187	$32.00	$358K	-3.9%	Open the original filing on SEC.gov
Apr 14	Liang Yifan	CFO and Corp Secretary	SSELL◷	7,939	$30.00	$238.2K	-2.7%	Open the original filing on SEC.gov
Apr 14	Liang Yifan	CFO and Corp Secretary	SSELL◷	7,391	$29.00	$214.3K	-2.4%	Open the original filing on SEC.gov
Apr 14	Chang Stephen Chunping	Chief Executive Officer	SSELL◷	5,594	$31.90	$178.4K	-0.9%	Open the original filing on SEC.gov
Mar 16	Chang Stephen Chunping	Chief Executive Officer	AGRANT	67,500	—	—	+11.5%	Open the original filing on SEC.gov
Mar 16	Chang Stephen Chunping	Chief Executive Officer	FTAX	17,839	$21.43	$382.3K	-2.9%	Open the original filing on SEC.gov
Mar 16	Chang Stephen Chunping	Chief Executive Officer	FTAX	25,644	$21.43	$549.6K	-4.1%	Open the original filing on SEC.gov
Mar 16	Chang Stephen Chunping	Chief Executive Officer	AGRANT	67,500	—	—	+11.9%	Open the original filing on SEC.gov
Mar 16	Liang Yifan	CFO and Corp Secretary	AGRANT	22,500	—	—	+8.0%	Open the original filing on SEC.gov
Mar 16	Liang Yifan	CFO and Corp Secretary	FTAX	4,610	$21.43	$98.8K	-1.6%	Open the original filing on SEC.gov
Mar 16	Liang Yifan	CFO and Corp Secretary	FTAX	6,889	$21.43	$147.6K	-2.3%	Open the original filing on SEC.gov
Mar 16	Liang Yifan	CFO and Corp Secretary	AGRANT	22,500	—	—	+8.3%	Open the original filing on SEC.gov
Mar 16	Xue Bing	EVP-WW Sales & Bus…	AGRANT◷	15,000	—	—	+12.6%	Open the original filing on SEC.gov
Mar 16	Xue Bing	EVP-WW Sales & Bus…	FTAX◷	3,584	$21.43	$76.8K	-2.9%	Open the original filing on SEC.gov
Mar 16	Xue Bing	EVP-WW Sales & Bus…	FTAX◷	5,598	$21.43	$120K	-4.3%	Open the original filing on SEC.gov
Mar 16	Xue Bing	EVP-WW Sales & Bus…	AGRANT◷	15,000	—	—	+13.2%	Open the original filing on SEC.gov
Mar 16	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	2,408	$21.92	$52.8K	-2.1%	Open the original filing on SEC.gov
Mar 16	Li Wenjun	Chief Operating Officer	AGRANT↺	10,000	—	—	+13.1%	Open the original filing on SEC.gov
Mar 16	Li Wenjun	Chief Operating Officer	FTAX↺	2,288	$21.43	$49K	-3.3%	Open the original filing on SEC.gov
Mar 16	Li Wenjun	Chief Operating Officer	FTAX↺	3,319	$21.43	$71.1K	-4.6%	Open the original filing on SEC.gov
Mar 16	Chang Mike F	Director, 10% Owner	AGRANT↺	22,500	—	—	+0.5%	Open the original filing on SEC.gov
Mar 16	Chang Mike F	Director, 10% Owner	FTAX↺	14,419	$21.43	$309K	-0.3%	Open the original filing on SEC.gov
Mar 9	Chang Mike F	Director, 10% Owner	PBUY★	33,727	$19.00	$640.8K	+0.8%	Open the original filing on SEC.gov
Feb 17	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	2,460	$22.33	$54.9K	-2.1%	Open the original filing on SEC.gov
Jan 15	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	737	$22.43	$16.5K	-0.6%	Open the original filing on SEC.gov
Jan 2	Li Wenjun	Chief Operating Officer	FTAX	3,157	$20.66	$65.2K	-4.2%	Open the original filing on SEC.gov
Jan 2	Xue Bing	EVP-WW Sales & Bus…	FTAX◷	8,627	$20.66	$178.2K	-6.8%	Open the original filing on SEC.gov
Jan 2	Liang Yifan	CFO and Corp Secretary	FTAX	8,627	$20.66	$178.2K	-3.1%	Open the original filing on SEC.gov
Jan 2	Chang Stephen Chunping	Chief Executive Officer	FTAX	12,002	$20.66	$248K	-2.1%	Open the original filing on SEC.gov
Jan 2	Chang Mike F	Director, 10% Owner	FTAX	16,700	$20.66	$345K	-0.4%	Open the original filing on SEC.gov
Dec 15, 2025	Liang Yifan	CFO and Corp Secretary	GGIFT	500	—	—	-0.2%	Open the original filing on SEC.gov
Dec 15, 2025	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	1,845	$20.56	$37.9K	-1.4%	Open the original filing on SEC.gov
Nov 14, 2025	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	1,845	$18.16	$33.5K	-1.4%	Open the original filing on SEC.gov
Nov 11, 2025	Li Hanqing	Director	AGRANT	5,681	—	—	+31.4%	Open the original filing on SEC.gov
Nov 11, 2025	Jeong So-Yeon	Director	AGRANT	5,681	—	—	+31.4%	Open the original filing on SEC.gov
Nov 11, 2025	Pfeiffer Michael L	Director	AGRANT	5,681	—	—	+8.7%	Open the original filing on SEC.gov
Nov 11, 2025	Chang Lucas S.	Director	AGRANT	5,681	—	—	+22.5%	Open the original filing on SEC.gov
Nov 11, 2025	Salameh Michael J	Director	AGRANT	5,681	—	—	+9.6%	Open the original filing on SEC.gov
Nov 11, 2025	Chen Claudia	Director	AGRANT	5,681	—	—	+21.4%	Open the original filing on SEC.gov
Nov 11, 2025	Owyang King	Director	AGRANT	5,681	—	—	+8.2%	Open the original filing on SEC.gov
Oct 20, 2025	Chang Mike F	Director, 10% Owner	GGIFT	40,000	—	—	-0.9%	Open the original filing on SEC.gov
Oct 17, 2025	Liang Yifan	CFO and Corp Secretary	GGIFT	300	—	—	-0.1%	Open the original filing on SEC.gov
Sep 9, 2025	Chang Stephen Chunping	Chief Executive Officer	GGIFT	2,100	—	—	-0.4%	Open the original filing on SEC.gov
Aug 15, 2025	Xue Bing	EVP-WW Sales & Bus…	FTAX	508	$26.50	$13.5K	-0.4%	Open the original filing on SEC.gov
May 12, 2025	Xue Bing	EVP-WW Sales & Bus…	SSELL◷	1,845	$23.73	$43.8K	-1.4%	Open the original filing on SEC.gov

GGIFT—

Chang Stephen Chunping · Chief Executive…Aug 24

100,947 sh

GGIFT—

Chang Mike F · Director, 10%…Aug 24

100,947 sh · -2.7% own

GGIFT—

Chang Mike F · Director, 10%…Aug 13

3M sh · -84.3% own

AGRANT—

Chien Joshua C. · DirectorJul 20

1,368 sh

SSELL◷$29.7K

Xue Bing · EVP-WW Sales &…Jul 16

875 sh @ $33.99 · -0.7% own

GGIFT—

Chang Mike F · Director, 10%…Jul 13

23,754 sh · -0.7% own

SSELL◷$231.5K

Xue Bing · EVP-WW Sales &…Jun 16

4,916 sh @ $47.09 · -3.8% own

GGIFT—

Chang Mike F · Director, 10%…Jun 1

30,000 sh · -0.8% own

GGIFT—

Chang Mike F · Director, 10%…May 26

39,780 sh · -1.1% own

SSELL◷$8.8K

Chen Claudia · DirectorMay 22

217 sh @ $40.54 · -0.8% own

SSELL◷$151.7K

Chen Claudia · DirectorMay 22

3,844 sh @ $39.47 · -11.9% own

GGIFT—

Chang Mike F · Director, 10%…May 22

736,252 sh · -16.8% own

GGIFT—

Chang Stephen Chunping · Chief Executive…May 21

2,000 sh · -0.3% own

SSELL◷$201.6K

Xue Bing · EVP-WW Sales &…May 18

4,916 sh @ $41.00 · -3.7% own

GGIFT—

Liang Yifan · CFO and Corp…Apr 28

300 sh · -0.1% own

GGIFT—

Liang Yifan · CFO and Corp…Apr 27

300 sh · -0.1% own

SSELL◷$301.9K

Liang Yifan · CFO and Corp…Apr 17

8,625 sh @ $35.00 · -3.1% own

SSELL◷$345.9K

Chang Stephen Chunping · Chief Executive…Apr 17

9,911 sh @ $34.90 · -1.5% own

SSELL◷$118K

Chang Stephen Chunping · Chief Executive…Apr 17

3,481 sh @ $33.90 · -0.5% own

SSELL◷$49.1K

Chang Stephen Chunping · Chief Executive…Apr 17

1,492 sh @ $32.90 · -0.2% own

SSELL◷$57.2K

Xue Bing · EVP-WW Sales &…Apr 16

1,832 sh @ $31.21 · -1.4% own

SSELL◷$358K

Liang Yifan · CFO and Corp…Apr 14

11,187 sh @ $32.00 · -3.9% own

SSELL◷$238.2K

Liang Yifan · CFO and Corp…Apr 14

7,939 sh @ $30.00 · -2.7% own

SSELL◷$214.3K

Liang Yifan · CFO and Corp…Apr 14

7,391 sh @ $29.00 · -2.4% own

SSELL◷$178.4K

Chang Stephen Chunping · Chief Executive…Apr 14

5,594 sh @ $31.90 · -0.9% own

AGRANT—

Chang Stephen Chunping · Chief Executive…Mar 16

67,500 sh · +11.5% own

FTAX$382.3K

Chang Stephen Chunping · Chief Executive…Mar 16

17,839 sh @ $21.43 · -2.9% own

FTAX$549.6K

Chang Stephen Chunping · Chief Executive…Mar 16

25,644 sh @ $21.43 · -4.1% own

AGRANT—

Chang Stephen Chunping · Chief Executive…Mar 16

67,500 sh · +11.9% own

AGRANT—

Liang Yifan · CFO and Corp…Mar 16

22,500 sh · +8.0% own

FTAX$98.8K

Liang Yifan · CFO and Corp…Mar 16

4,610 sh @ $21.43 · -1.6% own

FTAX$147.6K

Liang Yifan · CFO and Corp…Mar 16

6,889 sh @ $21.43 · -2.3% own

AGRANT—

Liang Yifan · CFO and Corp…Mar 16

22,500 sh · +8.3% own

AGRANT◷—