ONTO INNOVATION INC. (ONTO) Insider Trading

ONTO INNOVATION INC. (ONTO) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $302K. Most recent filing: Sept. 4, 2026.

Filings
4
Purchases
0
$0
Sales
1
$302K
Insiders
3

Most active ONTO insiders

ROBERTS BRIAN K
Chief Financial Officer
0 bought · 0 sold · Sept. 4, 2026
$1.6M
Chen Shirley
Senior Vice President of Custo
0 bought · 0 sold · Sept. 4, 2026
$386K
Lynch Susan D
Director
0 bought · 1 sold · Aug. 25, 2026
$302K

Latest ONTO Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Sept. 4, 2026 filed Sept. 2, 2026 ROBERTS BRIAN K Chief Financial Officer $824,487 3,239 −13% No
Sept. 4, 2026 filed Sept. 2, 2026 Chen Shirley Senior Vice President of Custo $385,898 1,516 −10% No
Sept. 4, 2026 filed Sept. 2, 2026 ROBERTS BRIAN K Chief Financial Officer $824,487 3,239 −13% No
Aug. 25, 2026 filed Aug. 21, 2026 Lynch Susan D Director −$302,300 1,000 −27% Yes

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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