Stephen Chunping Chang

CIK: 0001722000

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (22.2%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (22.2%)

Compensation grants

Other (G, F, J, C, D, …)10 (55.6%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

AOSL

ALPHA & OMEGA SEMICONDUCTOR Ltd

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (18 total)

AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Aug 24, 2026
Gift(G)
Indirect
100.9K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
May 21, 2026
Gift(G)
Direct
2K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Apr 17, 2026
Sale(S)
Direct
9.9K shares at avg. $34.90$346K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Apr 17, 2026
Sale(S)
Direct
3.5K shares at avg. $33.90$118K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Apr 17, 2026
Sale(S)
Direct
1.5K shares at avg. $32.90$49K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Apr 14, 2026
Sale(S)
Direct
5.6K shares at avg. $31.90$178K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 16, 2026
Award(A)
Direct
67.5K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 16, 2026
Tax Payment(F)
Direct
17.8K shares at avg. $21.43$382K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 16, 2026
Tax Payment(F)
Direct
25.6K shares at avg. $21.43$550K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 16, 2026
Award(A)
Direct
67.5K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Jan 2, 2026
Tax Payment(F)
Direct
12K shares at avg. $20.66$248K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Sep 9, 2025
Gift(G)
Direct
2.1K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 17, 2025
Award(A)
Direct
67.5K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 17, 2025
Tax Payment(F)
Direct
20K shares at avg. $27.61$552K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 17, 2025
Tax Payment(F)
Direct
11K shares at avg. $27.61$304K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 17, 2025
Award(A)
Direct
57.5K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Jan 2, 2025
Tax Payment(F)
Direct
11.2K shares at avg. $36.54$410K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Nov 8, 2024
Gift(G)
Direct
2K shares-

		Type	Shares	Price		Ownership
Aug 24, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	100,947	-	$0	Indirect
May 21, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	2,000	-	$0	Direct
Apr 17, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Sale(S)	9,911	$34.90	$345,894	Direct
Apr 17, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Sale(S)	3,481	$33.90	$118,006	Direct
Apr 17, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Sale(S)	1,492	$32.90	$49,087	Direct
Apr 14, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Sale(S)	5,594	$31.90	$178,449	Direct
Mar 16, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Award(A)	67,500	-	$0	Direct
Mar 16, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	17,839	$21.43	$382,290	Direct
Mar 16, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	25,644	$21.43	$549,551	Direct
Mar 16, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Award(A)	67,500	-	$0	Direct
Jan 2, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	12,002	$20.66	$247,961	Direct
Sep 9, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	2,100	-	-	Direct
Mar 17, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Award(A)	67,500	-	-	Direct
Mar 17, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	19,996	$27.61	$552,090	Direct
Mar 17, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	11,013	$27.61	$304,069	Direct
Mar 17, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Award(A)	57,500	-	-	Direct
Jan 2, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	11,224	$36.54	$410,125	Direct
Nov 8, 2024	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	2,000	-	$0	Direct

1-18 of 18 transactions

About Chang Stephen Chunping

Chang Stephen Chunping (SEC CIK 0001722000) files insider reports with the SEC as Chief Executive Officer of ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL).

Signal8 holds 10 ownership filings by Chang Stephen Chunping, all Form 4s, filed between Nov 8, 2024 and Sep 11, 2026. Those filings report 18 transactions, from Nov 8, 2024 to Aug 24, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Chang Stephen Chunping's filings is in SUNNYVALE, CA.

Recent filings by Chang Stephen Chunping

Aug 24, 2026: Gift of AOSL shares (Form 4, code G).
May 21, 2026: Gift of AOSL shares (Form 4, code G).
Apr 17, 2026: Open-market sales of AOSL shares (3 lines, Form 4, code S).
Apr 14, 2026: Open-market sale of AOSL shares (Form 4, code S).
Mar 16, 2026: Grant or award of AOSL shares (Form 4, code A).

Other insiders filing for ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)

Chang Mike F, Director
Chien Joshua C., Director
Xue Bing, EVP-WW Sales & Bus Development
Chen Claudia, Director
Liang Yifan, CFO and Corp Secretary
Li Wenjun, Chief Operating Officer

How to read Form 4 transaction codes