Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 9 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

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

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 3, 2026 ONTO F 819 $207.50 $169,942 26,536 Direct -2.99% Disposed -4.3% (price as of )
March 2, 2026 ONTO A 3,440 · · 27,355 Direct +14.38% Acquired
March 2, 2026 ONTO A 1,720 · · 1,720 Direct · Acquired
March 2, 2026 ONTO A 1,720 · · 1,720 Direct · Acquired
Dec. 2, 2025 ONTO F 3,183 $154.01 $490,214 23,915 Direct -11.75% Disposed 29.0% (price as of )
June 2, 2025 ONTO A 21,562 · · 21,562 Direct · Acquired
June 2, 2025 ONTO A 5,391 · · 26,953 Direct +25.00% Acquired
June 2, 2025 ONTO A 2,695 · · 2,695 Direct · Acquired
June 2, 2025 ONTO A 2,695 · · 2,695 Direct · 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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 2, 2026 ONTO Performance Stock Unit Common Stock (1,720) · March 2, 2028 1,720 Acquired
March 2, 2026 ONTO Performance Stock Unit Common Stock (1,720) · March 2, 2029 1,720 Acquired
June 2, 2025 ONTO Performance Stock Unit Common Stock (2,695) · March 3, 2027 2,695 Acquired
June 2, 2025 ONTO Performance Stock Unit Common Stock (2,695) · March 3, 2028 2,695 Acquired

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

Compensation (DEF 14A)

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

ONTO

President, Product Solutions Group
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $457,296 $243,852 $3,259,854 · $208,523 · $161,146 $4,330,671

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