$ONTO 4/A SEC Filings

Filed On	Filing
04 Sep 2026	Form 4/A: Roberts Brian K, Chief Financial Officer Gave up 3,239 shares to cover exercise price or tax ($824K)
05 Jan 2022	Form 4/A: Koch Robert Alan, Corporate Secretary
16 Oct 2020	Form 4/A: Plisinski Michael P, Director Gave up 5,670 shares to cover exercise price or tax ($235K) · Received 31,210 shares as a grant or award · Granted 31,209 Performance Stock Unit · 1 more
17 Aug 2020	Form 4/A: Heidrich Kevin, Sr. Vice President, Marketing Gave up 1,596 shares to cover exercise price or tax ($43.3K)
17 Aug 2020	Form 4/A: Heidrich Kevin, Sr. Vice President, Marketing Gave up 1,992 shares to cover exercise price or tax ($74.1K)
17 Aug 2020	Form 4/A: Heidrich Kevin, Sr. Vice President, Marketing Gave up 1,721 shares to cover exercise price or tax ($66.2K)
14 May 2020	Form 4/A: Stultz Timothy J, Director
11 Feb 2020	Form 4/A: Roth Steven R, Senior Vice President & CFO Gave up 1,216 shares to cover exercise price or tax ($50.4K) · Received 6,372 shares as a grant or award · Granted 6,372 Performance Stock Unit · 1 more
11 Feb 2020	Form 4/A: Plisinski Michael P, Director Gave up 2,857 shares to cover exercise price or tax ($118K) · Received 31,210 shares as a grant or award · Granted 31,209 Performance Stock Unit · 1 more
11 Feb 2020	Form 4/A: Koch Robert Alan, VP & General Counsel Gave up 572 shares to cover exercise price or tax ($23.7K) · Received 3,251 shares as a grant or award · Granted 3,251 Performance Stock Unit · 1 more
11 Feb 2020	Form 4/A: Kocher Rollin, Senior VP, Field Operations Received 6,827 shares as a grant or award · Granted 6,827 Performance Stock Unit · Gave up 1,962 shares to cover exercise price or tax ($75.4K)
11 Feb 2020	Form 4/A: Heidrich Kevin, Sr. Vice President, Marketing Received 3,901 shares as a grant or award · Granted 3,901 Performance Stock Unit · Gave up 1,296 shares to cover exercise price or tax ($49.8K)
15 Jan 2020	Form 4/A: Aukerman Jeffrey A., Director Received 23,760 shares as a grant or award
12 Nov 2019	Form 4/A: Lesaicherre Pierre-Yves, Former President and CEO Received 101,297 shares by exercise or conversion · Gave up 102,989 shares to cover exercise price or tax ($3.64M)
15 Mar 2019	Form 4/A: Kocher Rollin, SVP, Sales and Marketing Disposed of 6,366 Performance Stock Unit (Grant/Award Acquisition)
15 Mar 2019	Form 4/A: Lesaicherre Pierre-Yves, Director Disposed of 37,063 Performance Stock Units (Grant/Award Acquisition)
08 Jan 2019	Form 4/A: Heidrich Kevin, SVP, Corporate Development Holds 41,748 shares of Common Stock
27 Nov 2018	Form 4/A: Swyt Greg, VP, Finance and Controller Holds 8,281 shares of Common Stock
07 Jun 2017	Form 4/A: Kocher Rollin, SVP, Commercial Operations Sold 650 shares ($18.2K)
07 Mar 2017	Form 4/A: Stultz Timothy J, Director Sold 15,305 shares ($435K)

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