Robert Alan Koch — SEC Insider Profile, Roles & Companies

Insider at

04

ONTO selling Dec. 14, 2020

Insider transactions

05

0 buys (P) 0 sells (S) Net: $0 + 23 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

23 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 8, 2021	ONTO	F	341	$60.40	$20,596	33,619 Direct	-1.00%	Disposed	228.9% (price as of 2026-10-23)
Feb. 8, 2021	ONTO	A	2,070	·	·	35,689 Direct	+6.16%	Acquired
Feb. 8, 2021	ONTO	A	1,035	·	·	1,035 Direct	·	Acquired
Feb. 8, 2021	ONTO	A	1,035	·	·	1,035 Direct	·	Acquired
Feb. 7, 2021	ONTO	F	309	$59.95	$18,525	33,960 Direct	-0.90%	Disposed	231.4% (price as of 2026-10-23)
Feb. 6, 2021	ONTO	F	302	$59.95	$18,105	34,269 Direct	-0.87%	Disposed	231.4% (price as of 2026-10-23)
Jan. 27, 2021	ONTO	F	228	$54.83	$12,501	34,797 Direct	-0.65%	Disposed	262.4% (price as of 2026-10-23)
Jan. 27, 2021	ONTO	F	226	$54.83	$12,392	34,571 Direct	-0.65%	Disposed	262.4% (price as of 2026-10-23)
Dec. 14, 2020	ONTO	S 10b5-1	8,730	$46.30	$404,199	41,295 Direct	-17.45%	Disposed	329.1% (price as of 2026-10-23)
Dec. 14, 2020	ONTO	S 10b5-1	6,270	$47.05	$295,004	35,025 Direct	-15.18%	Disposed	322.3% (price as of 2026-10-23)
Feb. 8, 2020	ONTO	F	289	$38.45	$11,112	50,025 Direct	-0.57%	Disposed	416.7% (price as of 2026-10-23)
Feb. 8, 2020	ONTO	D	289	$38.45	$11,112	46,774 Direct	-0.61%	Disposed	416.7% (price as of 2026-10-23)
Feb. 7, 2020	ONTO	A	3,251	·	·	50,314 Direct	+6.91%	Acquired
Feb. 7, 2020	ONTO	A	1,626	·	·	1,626 Direct	·	Acquired
Feb. 7, 2020	ONTO	A	1,625	·	·	1,625 Direct	·	Acquired
Feb. 6, 2020	ONTO	F	264	$41.47	$10,948	47,371 Direct	-0.55%	Disposed	379.1% (price as of 2026-10-23)
Feb. 6, 2020	ONTO	F	308	$41.47	$12,773	47,063 Direct	-0.65%	Disposed	379.1% (price as of 2026-10-23)
Feb. 6, 2020	ONTO	D	264	$41.47	$10,948	47,371 Direct	-0.55%	Disposed	379.1% (price as of 2026-10-23)
Feb. 6, 2020	ONTO	D	308	$41.47	$12,773	47,063 Direct	-0.65%	Disposed	379.1% (price as of 2026-10-23)
Jan. 28, 2020	ONTO	D	298	$38.63	$11,512	47,904 Direct	-0.62%	Disposed	414.3% (price as of 2026-10-23)
Jan. 28, 2020	ONTO	D	269	$38.63	$10,391	47,635 Direct	-0.56%	Disposed	414.3% (price as of 2026-10-23)
Jan. 27, 2020	ONTO	D	225	$38.02	$8,554	48,431 Direct	-0.46%	Disposed	422.6% (price as of 2026-10-23)
Jan. 27, 2020	ONTO	D	229	$38.02	$8,707	48,202 Direct	-0.47%	Disposed	422.6% (price as of 2026-10-23)
Oct. 25, 2019	ONTO	A	37,947	·	·	37,947 Direct	·	Acquired
Oct. 25, 2019	ONTO	A	10,709	·	·	48,656 Direct	+28.22%	Acquired

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.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 8, 2021	ONTO	Performance Stock Unit	Common Stock (1,035)	·	Feb. 8, 2023	1,035	Acquired
Feb. 8, 2021	ONTO	Performance Stock Unit	Common Stock (1,035)	·	Feb. 8, 2024	1,035	Acquired
Feb. 7, 2020	ONTO	Performance Stock Unit	Common Stock (1,626)	·	Feb. 7, 2022	1,626	Acquired
Feb. 7, 2020	ONTO	Performance Stock Unit	Common Stock (1,625)	·	Feb. 7, 2023	1,625	Acquired

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

Initial ownership (Form 3) 1 holding

07

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

Date	Ticker	Security	Shares	Ownership
Oct. 29, 2019	ONTO	No securities beneficially owned	0	Direct

Compensation (DEF 14A)

10

Matched by name from proxy statements (DEF 14A) — verify against the filing.

ONTO

General Counsel

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2021	$334,015	·	$290,711	·	$219,666	·	$9,782	·
2020	$312,224	·	$278,416	·	$108,544	·	$8,102	·

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.