Stephen Chunping Chang Alpha & Omega Semiconductor LTD (AOSL) insider trading activity

Stephen Chunping Chang is Chief Executive Officer of ALPHA & OMEGA SEMICONDUCTOR Ltd. Currently has a direct ownership of 521,178 shares of AOSL, which is worth approximately $14.2 Million. The most recent transaction as insider was on Mar 17, 2025, when has been sold 31,009 shares (Common Share) at a price of $27.61 per share, resulting in proceeds of $856,158. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 521K

5.12% 3M change

4.88% 12M change

Total Value Held $14.2 Million

Stephen Chunping Chang Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 17 2025	SELL Payment of exercise price or tax liability	$856,158 $27.61 p/Share	31,009 Reduced 5.62%	521,178 Common Share
Mar 17 2025	BUY Grant, award, or other acquisition	-	125,000 Added 17.76%	578,678 Common Share
Jan 02 2025	SELL Payment of exercise price or tax liability	$410,124 $36.54 p/Share	11,224 Reduced 2.26%	484,687 Common Share
Nov 08 2024	SELL Bona fide gift	-	2,000 Reduced 0.4%	495,784 Common Share
Mar 15 2024	SELL Payment of exercise price or tax liability	$431,431 $21.55 p/Share	20,020 Reduced 3.87%	496,909 Common Share
Mar 15 2024	BUY Grant, award, or other acquisition	-	57,500 Added 10.01%	516,929 Common Share
Jan 02 2024	SELL Payment of exercise price or tax liability	$224,735 $27.38 p/Share	8,208 Reduced 1.76%	459,429 Common Share
Jan 02 2024	BUY Grant, award, or other acquisition	-	90,000 Added 16.14%	467,637 Common Share
Mar 15 2023	SELL Payment of exercise price or tax liability	$304,458 $25.45 p/Share	11,963 Reduced 3.24%	357,625 Common Share
Mar 15 2023	BUY Grant, award, or other acquisition	-	76,850 Added 16.93%	376,975 Common Share
Mar 15 2022	SELL Payment of exercise price or tax liability	$394,843 $48.65 p/Share	8,116 Reduced 2.73%	289,318 Common Share
Mar 15 2022	BUY Grant, award, or other acquisition	-	46,250 Added 12.96%	310,568 Common Share
Mar 18 2021	SELL Bona fide gift	-	1,000 Reduced 0.37%	272,759 Common Share
Mar 15 2021	SELL Payment of exercise price or tax liability	$217,693 $36.27 p/Share	6,002 Reduced 2.29%	255,660 Common Share
Mar 15 2021	BUY Grant, award, or other acquisition	-	22,937 Added 8.08%	261,097 Common Share
Feb 25 2021	BUY Grant, award, or other acquisition	-	12,000 Added 4.21%	273,097 Common Share

SCC

Stephen Chunping Chang

Chief Executive Officer

Sunnyvale, CA

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