By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Onto Innovation Inc. insiders have only been selling lately: two insiders trimmed about $902,000 of stock over 12 months, with no open-market purchases.
Selling on its own is common and often pre-planned (10b5-1 plans, taxes, diversification), so it matters more when it is unusually heavy or broad.
ONTO also shows up in congressional disclosures: 2 reported trades from one lawmaker in two years. Quarter by quarter: Last full quarter: net selling by insiders. Insiders bought in 0 of the last 7 full quarters. On the institutional side, 688 funds reported holding ONTO at the end of Q2 2026, and more funds bought than sold.
Are insiders buying or selling ONTO stock?
In the last 12 months Onto Innovation Inc. insiders made open-market purchases worth about $0 and sales worth about $902,000. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in ONTO?
The most recent open-market insider trade in ONTO was filed on 2026-10-01.
How many institutions own ONTO?
688 investment managers reported holding ONTO in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded ONTO?
Yes. Members of Congress reported 2 trades in ONTO over the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).