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Onto Innovation Inc insider transactions.

Recent insider purchases and sales for ONTO from Form 4 filings. Institutional holdings surface here when ownership feeds publish.

Holder rows
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Market data feed
Latest filing
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Most recent holder report date
Increased / initiated
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Insider rows
60
Market data feed

Recent insider transactions

Onto Innovation Inc (ONTO) Form 4 filings

#Insider% companyActionSharesPriceValueFiling date
1
Su May
Award7.98KMay 20, 2026
2
Lynch Susan D
Award3.68KMay 20, 2026
3
Kelley Stephen Douglas
Award6.38KMay 20, 2026
4
SCHWARTZ STEPHEN S
Award3.54KMay 20, 2026
5
MILLER DAVID BRIAN
Award12.69KMay 20, 2026
6
SEAMS CHRISTOPHER A
Award38.51KMay 20, 2026
7
YALDAEI RAMIL
F17.59K$271.77$4,781,250May 15, 2026
8
YALDAEI RAMIL
F18.22K$271.77$4,951,106May 15, 2026
9
OH Yoon Ah
F21.11K$271.77$5,737,065May 15, 2026
10
Dolev Ido
F26.54K$207.50$5,506,220Mar 3, 2026
11
YALDAEI RAMIL
F18.44K$207.50$3,825,470Mar 3, 2026
12
OH Yoon Ah
F21.64K$207.50$4,490,300Mar 3, 2026
Showing 12 of 60 filing-based insider rows. Percent of company uses current shares outstanding when available.

Frequently asked

Common questions.

Who are the largest ONTO shareholders?

TECHi's ONTO Holders page ranks the largest institutional shareholders of Onto Innovation Inc using filing-based market-data feeds.

What is institutional ownership of ONTO?

The Holders page shows institutional positions by share count and, when available, the latest filing change so readers can spot accumulation, reductions, initiated positions, and unchanged holdings.

Where can I see Onto Innovation Inc insider transactions?

Recent insider buys, sales, awards, gifts, and option exercises appear below the institutional holders table when Form 4 rows are available.

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