Guillaume Marie Jean Rutten Amkor Technology, Inc. (AMKR) insider trading activity

Guillaume Marie Jean Rutten is President and CEO of AMKOR TECHNOLOGY, INC.. Currently has a direct ownership of 345,391 shares of AMKR, which is worth approximately $10.7 Million. The most recent transaction as insider was on Dec 31, 2025, when has been sold 8,692 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 345K

5.81% 3M change

68.51% 12M change

Total Value Held $10.7 Million

Guillaume Marie Jean Rutten Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 31 2025	BUY Exercise of conversion of derivative security	-	8,692 Added 2.45%	345,391 Common Stock
Dec 15 2025	SELL Open market or private sale	$448,000 $44.8 p/Share	10,000 Reduced 2.88%	336,699 Common Stock
Nov 17 2025	SELL Open market or private sale	$316,800 $31.68 p/Share	10,000 Reduced 2.8%	346,699 Common Stock
Oct 15 2025	SELL Open market or private sale	$307,400 $30.74 p/Share	10,000 Reduced 2.73%	356,699 Common Stock
Sep 30 2025	BUY Exercise of conversion of derivative security	-	8,692 Added 2.32%	366,699 Common Stock
Sep 23 2025	SELL Open market or private sale	$300,000 $30.0 p/Share	10,000 Reduced 2.72%	358,007 Common Stock
Jun 30 2025	BUY Exercise of conversion of derivative security	-	8,691 Added 2.31%	368,007 Common Stock

Feb 24 2025	BUY Exercise of conversion of derivative security	-	10,748 Added 2.9%	359,316 Common Stock
Feb 20 2025	BUY Exercise of conversion of derivative security	-	112,941 Added 24.47%	348,568 Common Stock
Feb 19 2025	BUY Grant, award, or other acquisition	-	16,736 Added 6.63%	235,627 Common Stock
Feb 14 2025	BUY Exercise of conversion of derivative security	-	13,920 Added 5.98%	218,891 Common Stock
Oct 15 2024	SELL Open market or private sale	$315,100 $31.51 p/Share	10,000 Reduced 4.65%	204,971 Common Stock
Sep 16 2024	SELL Open market or private sale	$543,750 $30.0 p/Share	18,125 Reduced 7.78%	214,971 Common Stock
Sep 16 2024	BUY Exercise of conversion of derivative security	$115,131 $14.17 p/Share	8,125 Added 3.37%	233,096 Common Stock
Aug 15 2024	SELL Open market or private sale	$814,000 $32.56 p/Share	25,000 Reduced 10.0%	224,971 Common Stock
Aug 15 2024	BUY Exercise of conversion of derivative security	$212,550 $14.17 p/Share	15,000 Added 5.66%	249,971 Common Stock
Aug 13 2024	BUY Grant, award, or other acquisition	-	106,638 Added 31.22%	234,971 Common Stock
Jul 15 2024	SELL Open market or private sale	$1,066,750 $42.67 p/Share	25,000 Reduced 16.3%	128,333 Common Stock
Jul 15 2024	BUY Exercise of conversion of derivative security	$212,550 $14.17 p/Share	15,000 Added 8.91%	153,333 Common Stock
Jul 01 2024	BUY Exercise of conversion of derivative security	-	43,857 Added 24.07%	138,333 Common Stock
Jun 17 2024	SELL Open market or private sale	$870,500 $34.82 p/Share	25,000 Reduced 20.92%	94,476 Common Stock
Jun 17 2024	BUY Exercise of conversion of derivative security	$212,550 $14.17 p/Share	15,000 Added 11.15%	119,476 Common Stock
May 15 2024	SELL Open market or private sale	$834,249 $33.37 p/Share	25,000 Reduced 19.31%	104,476 Common Stock
May 15 2024	BUY Exercise of conversion of derivative security	$212,550 $14.17 p/Share	15,000 Added 10.38%	129,476 Common Stock
Apr 16 2024	SELL Open market or private sale	$779,250 $31.17 p/Share	25,000 Reduced 17.92%	114,476 Common Stock

GMJ

Guillaume Marie Jean Rutten

President and CEO

Tempe, AZ

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