ONTO INNOVATION INC. (ONTO)
Latest ONTO Insider Trades
About ONTO INNOVATION INC. (ONTO)
Onto Innovation Inc is engaged in the design, development, manufacture, and support of high-performance control metrology, defect inspection, lithography, and data analysis systems used by microelectronics device manufacturers. The Company and its subsidiaries currently operate in a single operating segment. The company mainly operates in the United States, Southeast Asia, China, Japan, and Europe, with Taiwan and South Korea the sources of total revenue.
- WILMINGTON, MA
- 1,790
- 1999
- XNYS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 1 | 1,000 | $302K |
ONTO Insider Transactions (Form 4)
333 Form 4 filings on record, the earliest from Oct 4, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mark Slicer - Officer | Open-market sale | Common Stock | 1,100 |
Recent ONTO Form 8-K Filings
5Recent ONTO Form 144 Notices of Proposed Sale
1A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| SUSAN D LYNCH | Director | 1,000 | $302K | View on EDGAR |
ONTO Insider Trading - FAQ
What is the latest insider trade for ONTO?
ONTO INNOVATION INC. (ONTO) had 1 insider filing in the last 90 days, with the most recent on 2026-08-25. The full record for ONTO runs to 33 Form 4 filings, the earliest from 2024-10-04. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying ONTO stock?
No insider purchases of ONTO were filed in the last 90 days.
How many insiders are selling ONTO stock?
1 insider sale of ONTO was filed in the last 90 days, totaling $302K.
Where can I see ONTO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks ONTO Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow ONTO insider buys?
Create a free InsiderAlpha account and press Watch on this page to add ONTO to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Susan D. Lynch view on EDGAR
- - May Su view on EDGAR
- - Christopher A. Seams view on EDGAR
- - Stephen S. Schwartz view on EDGAR
- - David Brian Miller view on EDGAR
- - Susan D. Lynch view on EDGAR
- - Stephen Douglas Kelley view on EDGAR
- - Ramil Yaldaei view on EDGAR
- - Yoon Ah Oh view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Information Technology
- Where ONTO's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track ONTO insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
