Mike F. Chang

CIK: 0001511393

Transaction Breakdown

Open Market Buys (P)1 (5.9%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (17.6%)

Compensation grants

Other (G, F, J, C, D, …)13 (76.5%)

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

Companies & Roles (1)

AOSL

ALPHA & OMEGA SEMICONDUCTOR Ltd

Director10% Owner

Discretionary Trading P&L

Holdings

Transaction History (17 total)

AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Aug 24, 2026
Gift(G)
Indirect
100.9K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Aug 13, 2026
Gift(G)
Direct
3M shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Jul 13, 2026
Gift(G)
Direct
23.8K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Jun 1, 2026
Gift(G)
Direct
30K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
May 26, 2026
Gift(G)
Direct
39.8K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
May 22, 2026
Gift(G)
Direct
736.3K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 16, 2026
Award(A)
Direct
22.5K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 16, 2026
Tax Payment(F)
Direct
14.4K shares at avg. $21.43$309K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 9, 2026
Purchase(P)
Direct
33.7K shares at avg. $19.00$641K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Jan 2, 2026
Tax Payment(F)
Direct
16.7K shares at avg. $20.66$345K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Oct 20, 2025
Gift(G)
Direct
40K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 17, 2025
Award(A)
Direct
37.5K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 17, 2025
Tax Payment(F)
Direct
27.3K shares at avg. $27.61$754K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 17, 2025
Tax Payment(F)
Direct
20.5K shares at avg. $27.61$567K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Mar 17, 2025
Award(A)
Direct
22.5K shares-
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Jan 2, 2025
Tax Payment(F)
Direct
22.4K shares at avg. $36.54$820K
AOSL
ALPHA & OMEGA SEMICONDUCTOR Ltd
Dec 3, 2024
Gift(G)
Direct
30K shares-

		Type	Shares	Price		Ownership
Aug 24, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	100,947	-	$0	Indirect
Aug 13, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	3,000,000	-	$0	Direct
Jul 13, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	23,754	-	$0	Direct
Jun 1, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	30,000	-	$0	Direct
May 26, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	39,780	-	$0	Direct
May 22, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	736,252	-	$0	Direct
Mar 16, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Award(A)	22,500	-	$0	Direct
Mar 16, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	14,419	$21.43	$308,999	Direct
Mar 9, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Purchase(P)	33,727	$19.00	$640,813	Direct
Jan 2, 2026	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	16,700	$20.66	$345,022	Direct
Oct 20, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	40,000	-	-	Direct
Mar 17, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Award(A)	37,500	-	-	Direct
Mar 17, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	27,296	$27.61	$753,643	Direct
Mar 17, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	20,527	$27.61	$566,750	Direct
Mar 17, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Award(A)	22,500	-	-	Direct
Jan 2, 2025	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Tax Payment(F)	22,446	$36.54	$820,177	Direct
Dec 3, 2024	AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd	Gift(G)	30,000	-	$0	Direct

1-17 of 17 transactions

About Chang Mike F

Chang Mike F (SEC CIK 0001511393) files insider reports with the SEC as Director of ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL).

Signal8 holds 14 ownership filings by Chang Mike F, all Form 4s, filed between Dec 4, 2024 and Sep 11, 2026. Those filings report 17 transactions, from Dec 3, 2024 to Aug 24, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Chang Mike F's filings is in SUNNYVALE, CA.

Recent filings by Chang Mike F

Aug 24, 2026: Gift of AOSL shares (Form 4, code G).
Aug 13, 2026: Gift of AOSL shares (Form 4, code G).
Jul 13, 2026: Gift of AOSL shares (Form 4, code G).
Jun 1, 2026: Gift of AOSL shares (Form 4, code G).
May 26, 2026: Gift of AOSL shares (Form 4, code G).

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

Chang Stephen Chunping, Chief Executive Officer
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