Insider · CIK 0001722000

Chang Stephen Chunping

Reports to the SEC for 1 company · SUNNYVALE, CA

sec.gov

Transactions

Companies

Filings

CIK

0001722000

Forms 4 and 5

Insider transactions

45 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-24	AOSLALPHA & OMEGA SEMICONDUCTOR LtdG Gift	Director, Chief Executive Officer	GGift	+101K sh	—	—	100,947
2026-05-21	AOSLALPHA & OMEGA SEMICONDUCTOR LtdG Gift	Director, Chief Executive Officer	GGift	−2,000 sh	—	—	634,070
2026-04-17	AOSLALPHA & OMEGA SEMICONDUCTOR LtdS Sale	Director, Chief Executive Officer	SSale	−3,481 sh	$33.90	−$118K	645,812
2026-04-17	AOSLALPHA & OMEGA SEMICONDUCTOR LtdS Sale	Director, Chief Executive Officer	SSale	−1,492 sh	$32.90	−$49.1K	649,293
2026-04-17	AOSLALPHA & OMEGA SEMICONDUCTOR LtdS Sale	Director, Chief Executive Officer	SSale	−9,911 sh	$34.90	−$346K	635,901
2026-04-14	AOSLALPHA & OMEGA SEMICONDUCTOR LtdS Sale	Director, Chief Executive Officer	SSale	−5,594 sh	$31.90	−$178K	650,785
2026-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−17.8K sh	$21.43	−$382K	588,879
2026-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+67.5K sh	—	—	632,362
2026-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−25.6K sh	$21.43	−$550K	606,718
2026-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+67.5K sh	—	—	656,379
2026-01-02	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−12K sh	$20.66	−$248K	564,862
2025-09-09	AOSLALPHA & OMEGA SEMICONDUCTOR LtdG Gift	Director, Chief Executive Officer	GGift	−2,100 sh	—	—	576,705
2025-03-17	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−11K sh	$27.61	−$304K	521,178
2025-03-17	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+67.5K sh	—	—	552,187
2025-03-17	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+57.5K sh	—	—	578,678
2025-03-17	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−20K sh	$27.61	−$552K	532,191
2025-01-02	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−11.2K sh	$36.54	−$410K	484,687
2024-11-08	AOSLALPHA & OMEGA SEMICONDUCTOR LtdG Gift	Director, Chief Executive Officer	GGift	−2,000 sh	—	—	495,784
2024-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+57.5K sh	—	—	516,929
2024-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−13.9K sh	$21.55	−$300K	502,989
2024-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,080 sh	$21.55	−$131K	496,909
2024-01-02	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−8,208 sh	$27.38	−$225K	459,429
2024-01-02	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+90K sh	—	—	467,637
2023-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+19.4K sh	—	—	376,975
2023-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+57.5K sh	—	—	369,588
2023-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,762 sh	$25.45	−$172K	362,826
2023-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−5,201 sh	$25.45	−$132K	357,625
2022-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−4,368 sh	$48.65	−$213K	293,066
2022-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+25K sh	—	—	297,434
2022-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+3,750 sh	—	—	293,068
2022-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+17.5K sh	—	—	310,568
2022-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−3,748 sh	$48.65	−$182K	289,318
2021-12-01	AOSLALPHA & OMEGA SEMICONDUCTOR LtdG Gift	Director, Chief Executive Officer	GGift	−1,200 sh	$50.74	−$60.9K	272,434
2021-03-18	AOSLALPHA & OMEGA SEMICONDUCTOR LtdG Gift	Director, Chief Executive Officer	GGift	−1,000 sh	—	—	272,759
2021-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−3,159 sh	$36.27	−$115K	258,503
2021-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+3,750 sh	—	—	261,097
2021-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+1,687 sh	—	—	257,347
2021-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−2,843 sh	$36.27	−$103K	255,660
2021-03-15	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+17.5K sh	—	—	261,662
2021-02-25	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+12K sh	—	—	273,097
2020-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+12K sh	—	—	237,355
2020-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+1,687 sh	—	—	239,042
2020-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdA Award	Director, Chief Executive Officer	AAward	+3,750 sh	—	—	242,792
2020-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−2,223 sh	$7.36	−$16.4K	228,984
2020-03-16	AOSLALPHA & OMEGA SEMICONDUCTOR LtdF Tax Payment	Director, Chief Executive Officer	FTax Payment	−3,629 sh	$7.36	−$26.7K	225,355

Recent filings

Accepted (ET)
Sep 114
Chang Stephen Chunping0001628280-26-061540
SEC(opens sec.gov)
May 264
Chang Stephen Chunping0001628280-26-038057
SEC(opens sec.gov)
Apr 204
Chang Stephen Chunping0001628280-26-025993
SEC(opens sec.gov)
Apr 164
Chang Stephen Chunping0001628280-26-025500
SEC(opens sec.gov)
Mar 184
Chang Stephen Chunping0001722000-26-000003
SEC(opens sec.gov)
Jan 54
Chang Stephen Chunping0001387467-26-000002
SEC(opens sec.gov)
Sep 104
Chang Stephen Chunping0001628280-25-041884
SEC(opens sec.gov)
Mar 184
Chang Stephen Chunping0001387467-25-000032
SEC(opens sec.gov)
Jan 34
Chang Stephen Chunping0001387467-25-000010
SEC(opens sec.gov)
Nov 84
Chang Stephen Chunping0001387467-24-000110
SEC(opens sec.gov)
Mar 184
Chang Stephen Chunping0001387467-24-000040
SEC(opens sec.gov)

Companies

ALPHA & OMEGA SEMICONDUCTOR LtdDirector, Chief Executive OfficerAOSL

Address

475 OAKMEAD PKWY

SUNNYVALE, CA, 94085