Mark Slicer Onto Innovation Inc. (ONTO) insider trading activity

Mark Slicer is Chief Financial Officer of ONTO INNOVATION INC.. Currently has a direct ownership of 15,706 shares of ONTO, which is worth approximately $2.17 Million. The most recent transaction as insider was on Mar 03, 2025, when has been sold 2,941 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) 15.7K

43.66% 3M change

6.81% 12M change

Total Value Held $2.17 Million

Mark Slicer Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 03 2025	BUY Grant, award, or other acquisition	-	2,941 Added 15.77%	15,706 Common Stock
Mar 01 2025	SELL Payment of exercise price or tax liability	$48,941 $145.66 p/Share	336 Reduced 2.56%	12,765 Common Stock
Feb 14 2025	SELL Payment of exercise price or tax liability	$423,013 $176.55 p/Share	2,396 Reduced 15.46%	13,101 Common Stock
Feb 14 2025	BUY Exercise of conversion of derivative security	-	4,564 Added 22.75%	15,497 Common Stock
Nov 15 2024	SELL Open market or private sale	$176,451 $160.41 p/Share	1,100 Reduced 9.14%	10,933 Common Stock
Jun 07 2024	SELL Open market or private sale	$112,711 $217.17 p/Share	519 Reduced 4.13%	12,033 Common Stock
Jun 06 2024	SELL Open market or private sale	$114,807 $221.21 p/Share	519 Reduced 3.97%	12,552 Common Stock
May 17 2024	SELL Payment of exercise price or tax liability	$364,975 $223.5 p/Share	1,633 Reduced 11.11%	13,071 Common Stock
Mar 01 2024	BUY Grant, award, or other acquisition	-	2,077 Added 12.38%	14,704 Common Stock
Feb 14 2024	SELL Payment of exercise price or tax liability	$83,770 $173.08 p/Share	484 Reduced 3.69%	12,627 Common Stock
Sep 15 2023	SELL Open market or private sale	$376,346 $125.24 p/Share	3,005 Reduced 18.65%	13,111 Common Stock
May 17 2023	SELL Payment of exercise price or tax liability	$124,298 $97.95 p/Share	1,269 Reduced 7.3%	16,116 Common Stock
Feb 14 2023	BUY Grant, award, or other acquisition	-	4,564 Added 20.79%	17,385 Common Stock
May 17 2022	BUY Grant, award, or other acquisition	-	12,821 Added 50.0%	12,821 Common Stock

Mark Slicer

Chief Financial Officer

Wilmington, MA

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells ONTO shares.

Notify only if

Value

Insider Trading

Get notified when an Onto Innovation Inc. insider buys or sells ONTO shares.

Notify only if

Operation

Value

Type

News

Receive news related to ONTO INNOVATION INC.

Track Activities on ONTO

Account