Dean Iacopetti

Insider

First SEC filing: Nov. 4, 2019 · Latest: Nov. 4, 2019

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 18 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 25, 2021	ONTO	D	2,230	—	—	9,695 Direct	-18.70%	Disposed	(price as of 2026-08-28)
June 25, 2021	ONTO	D	1,449	—	—	8,246 Direct	-14.95%	Disposed	(price as of 2026-08-28)
June 25, 2021	ONTO	D	1,300	—	—	6,946 Direct	-15.77%	Disposed	(price as of 2026-08-28)
June 25, 2021	ONTO	D	1,608	—	—	5,338 Direct	-23.15%	Disposed	(price as of 2026-08-28)
June 25, 2021	ONTO	D	975	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-28)
June 25, 2021	ONTO	D	975	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-28)
June 25, 2021	ONTO	D	725	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-28)
June 25, 2021	ONTO	D	724	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-28)
May 31, 2021	ONTO	F	550	$71.77	$39,474	11,925 Direct	-4.41%	Disposed	297.9% (price as of 2026-08-28)
Feb. 8, 2021	ONTO	A	1,449	—	—	12,475 Direct	+13.14%	Acquired	(price as of 2026-08-28)
Feb. 8, 2021	ONTO	A	725	—	—	725 Direct	—	Acquired	(price as of 2026-08-28)
Feb. 8, 2021	ONTO	A	724	—	—	724 Direct	—	Acquired	(price as of 2026-08-28)
Feb. 7, 2021	ONTO	F	267	$59.95	$16,007	11,026 Direct	-2.36%	Disposed	376.3% (price as of 2026-08-28)
Aug. 31, 2020	ONTO	F	791	$31.24	$24,711	11,293 Direct	-6.55%	Disposed	814.1% (price as of 2026-08-28)
May 31, 2020	ONTO	F	610	$31.08	$18,959	12,084 Direct	-4.81%	Disposed	818.8% (price as of 2026-08-28)
Feb. 7, 2020	ONTO	A	1,951	—	—	12,694 Direct	+18.16%	Acquired	(price as of 2026-08-28)
Feb. 7, 2020	ONTO	A	975	—	—	975 Direct	—	Acquired	(price as of 2026-08-28)
Feb. 7, 2020	ONTO	A	975	—	—	975 Direct	—	Acquired	(price as of 2026-08-28)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 25, 2021	ONTO	Performance Stock Unit	Common Stock (975)	—	Feb. 7, 2022	975	Disposed
June 25, 2021	ONTO	Performance Stock Unit	Common Stock (975)	—	Feb. 7, 2023	975	Disposed
June 25, 2021	ONTO	Performance Stock Unit	Common Stock (725)	—	Feb. 8, 2023	725	Disposed
June 25, 2021	ONTO	Performance Stock Unit	Common Stock (724)	—	Feb. 8, 2024	724	Disposed
Feb. 8, 2021	ONTO	Performance Stock Unit	Common Stock (725)	—	Feb. 8, 2023	725	Acquired
Feb. 8, 2021	ONTO	Performance Stock Unit	Common Stock (724)	—	Feb. 8, 2024	724	Acquired
Feb. 7, 2020	ONTO	Performance Stock Unit	Common Stock (975)	—	Feb. 7, 2022	975	Acquired
Feb. 7, 2020	ONTO	Performance Stock Unit	Common Stock (975)	—	Feb. 7, 2023	975	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Nov. 4, 2019	ONTO	Common Stock	10,743	Direct