Yoon Ah Oh Onto Innovation Inc. (ONTO) insider trading activity

Yoon Ah Oh is SVP, Gen Counsel & Corp Sec of ONTO INNOVATION INC.. Currently has a direct ownership of 18,010 shares of ONTO, which is worth approximately $1.69 Million. The most recent transaction as insider was on May 15, 2025, when has been sold 603 shares (Common Stock) at a price of $98.04 per share, resulting in proceeds of $59,118. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 18K

12.73% 3M change

25.86% 12M change

Total Value Held $1.69 Million

Yoon Ah OH Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
May 15 2025	SELL Payment of exercise price or tax liability	$59,118 $98.04 p/Share	603 Reduced 3.24%	18,010 Common Stock
Mar 03 2025	BUY Grant, award, or other acquisition	-	2,941 Added 13.64%	18,613 Common Stock
Mar 01 2025	SELL Payment of exercise price or tax liability	$44,280 $145.66 p/Share	304 Reduced 1.9%	15,672 Common Stock
Feb 14 2025	SELL Payment of exercise price or tax liability	$410,125 $176.55 p/Share	2,323 Reduced 12.69%	15,976 Common Stock
Feb 14 2025	BUY Exercise of conversion of derivative security	-	3,956 Added 17.78%	18,299 Common Stock
Feb 10 2025	SELL Payment of exercise price or tax liability	$254,942 $183.28 p/Share	1,391 Reduced 10.69%	11,623 Common Stock
Feb 10 2025	BUY Exercise of conversion of derivative security	-	2,720 Added 15.94%	14,343 Common Stock
Oct 25 2024	SELL Payment of exercise price or tax liability	$264,889 $204.39 p/Share	1,296 Reduced 9.06%	13,014 Common Stock
May 15 2024	SELL Payment of exercise price or tax liability	$140,878 $233.63 p/Share	603 Reduced 4.04%	14,310 Common Stock
Mar 18 2024	SELL Open market or private sale	$303,300 $180.0 p/Share	1,685 Reduced 10.15%	14,913 Common Stock
Mar 15 2024	SELL Open market or private sale	$467,082 $173.96 p/Share	2,685 Reduced 13.92%	16,598 Common Stock
Mar 01 2024	BUY Grant, award, or other acquisition	-	1,883 Added 8.9%	19,283 Common Stock
Feb 14 2024	SELL Payment of exercise price or tax liability	$85,328 $173.08 p/Share	493 Reduced 2.76%	17,400 Common Stock
Feb 10 2024	SELL Payment of exercise price or tax liability	$251,113 $180.01 p/Share	1,395 Reduced 8.42%	15,171 Common Stock
Feb 10 2024	BUY Exercise of conversion of derivative security	-	2,722 Added 13.2%	17,893 Common Stock
Oct 25 2023	SELL Payment of exercise price or tax liability	$88,372 $111.16 p/Share	795 Reduced 4.58%	16,566 Common Stock
May 15 2023	BUY Grant, award, or other acquisition	-	3,746 Added 17.75%	17,361 Common Stock
Feb 14 2023	BUY Grant, award, or other acquisition	-	3,955 Added 22.51%	13,615 Common Stock
Feb 10 2023	SELL Payment of exercise price or tax liability	$25,726 $80.9 p/Share	318 Reduced 3.19%	9,660 Common Stock
Oct 25 2022	SELL Payment of exercise price or tax liability	$52,965 $67.3 p/Share	787 Reduced 7.31%	9,978 Common Stock
Feb 10 2022	BUY Grant, award, or other acquisition	-	2,722 Added 20.18%	10,765 Common Stock
Oct 25 2021	BUY Grant, award, or other acquisition	-	8,043 Added 50.0%	8,043 Common Stock

YAO

Yoon Ah Oh

SVP, Gen Counsel & Corp Sec

Wilmington, MA

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