Onto Innovation Inc. (ONTO) Insider Trading Activity — Form 4 Filings
Recent ONTO insider trading activity from SEC Form 4 filings, including executive and director buys, sells, awards, filing dates, and data limitations.
Direct answer: Onto Innovation Inc. (ONTO) has more selling than buying in the recent Form 4 activity available here. The data includes 134 parsed transactions from SEC filings.
SEC data retrieved .
Onto Innovation Inc. insider activity summary
Recent activity includes 0 open-market buys, 80 sells, and other Form 4 transactions. Buy and sell counts summarize the available recent filings; they are not a complete measure of insider conviction.
Recent Form 4 transactions
| Date | Insider | Type | Reported value |
|---|
| Sep 2, 2026 |
ROBERTS BRIAN K |
SELL |
$824,487 |
| Sep 2, 2026 |
Chen Shirley |
SELL |
$385,898 |
| Aug 21, 2026 |
Lynch Susan D |
SELL |
$302,300 |
| May 20, 2026 |
Su May |
AWARD |
Not disclosed |
| May 20, 2026 |
SEAMS CHRISTOPHER A |
AWARD |
Not disclosed |
| May 20, 2026 |
SCHWARTZ STEPHEN S |
AWARD |
Not disclosed |
| May 20, 2026 |
MILLER DAVID BRIAN |
AWARD |
Not disclosed |
| May 20, 2026 |
Lynch Susan D |
AWARD |
Not disclosed |
| May 20, 2026 |
Kelley Stephen Douglas |
AWARD |
Not disclosed |
| May 15, 2026 |
YALDAEI RAMIL |
SELL |
$59,246 |
| May 15, 2026 |
YALDAEI RAMIL |
SELL |
$169,856 |
| May 15, 2026 |
OH Yoon Ah |
SELL |
$144,038 |
Sources and limitations
Source: SEC EDGAR Form 4 filings. Filing data can be delayed, amended, incomplete, or affected by SEC rate limits. Scheduled sales, awards, exercises, and open-market trades have different meanings. This page is informational and is not financial advice.
Frequently asked questions
When was ONTO insider data retrieved?
Sep 15, 2026, 8:58 AM UTC.
Does insider buying guarantee a higher stock price?
No. Insider transactions are one data point and do not predict future returns.
View the full ONTO stock analysis · Search another ticker's Form 4 filings
The information on this page is for educational and informational purposes only and does not constitute professional financial advice.