NYSE · CIK 0000704532
ONTO ONTO INNOVATION INC.
Insider trading from SEC Form 4. Last filing 11 d ago. Close $294.53 on Oct 9, 2026, +143% from the 52-week low and -22% from the high.
Last 90 days
Net insider value
-$600k
more sold than bought
Buys
0
$0 by 0 insiders
Sells
1
$600k by 1 insider
Insiders on file
12
with a Form 4 at this company
Price and insider trades, last year
ONTOOct 9, 2026 · close 294.53
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at ONTO INNOVATION INC., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 19Weak | David Brian Miller director sell | $600k 2,000 shares | -16% | +151% from low-19% from high | |
| 14Weak | Mark Slicer Chief Financial Officer sell | $176k 1,100 shares | -9% | - |
Congressional trades
2 trades in ONTO disclosed by members of Congress under the STOCK Act. All congressional trades.
- Robert P. Bresnahan, Jr.House · R-PA · last Jun 9, 20250 bought
2 sold
| Member | Trade | Asset | Reported range | Trade / filing date | Source |
|---|---|---|---|---|---|
Robert P. Bresnahan, Jr. House · R-PA | Partial sale | ONTO Onto Innovation Inc. Common Stock | $1,001 to $15k | May 9, 2025 / Jun 9, 2025 31 days after the trade | Clerk |
Robert P. Bresnahan, Jr. House · R-PA | Sale | ONTO Onto Innovation Inc. Common Stock | $1,001 to $15k | May 12, 2025 / Jun 9, 2025 28 days after the trade | Clerk |
Transactions
The last 21 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | David Brian Miller director | SOpen-market sale Common Stock10b5-1 | -2,000 | $300.00 | $600k | 10,692 | 11 d ago |
| Sep 2, 2026 | Shirley Chen Senior Vice President of Custo | FTax withholding Common Stock | -1,516 | $254.55 | $386k | 14,001 | 38 d ago |
| Sep 2, 2026 | Brian K Roberts Chief Financial Officer | FTax withholding Common Stock | -3,239 | $254.55 | $824k | 21,032 | 38 d ago |
| Sep 2, 2026 | Brian K Roberts Chief Financial Officer | FTax withholding Common Stock | -3,239 | $254.55 | $824k | 21,032 | 38 d ago |
| Sep 2, 2025 | Shirley Chen SVP, Customer Success | AGrant or award Common Stock | +12,994 | $0.00 | $0 | 12,994 | Sep 3, 2025 |
| Jun 2, 2025 | Ido Dolev EVP, Prod Solutions Grp | AGrant or award Common Stock | +21,562 | $0.00 | $0 | 21,562 | Jun 4, 2025 |
| Jun 2, 2025 | Ido Dolev EVP, Prod Solutions Grp | AGrant or award Common Stock | +5,391 | $0.00 | $0 | 26,953 | Jun 4, 2025 |
| Jun 2, 2025 | Ido Dolev EVP, Prod Solutions Grp | AGrant or award Performance Stock Unitderivative | +2,695 | $0.00 | $0 | 2,695 | Jun 4, 2025 |
| Jun 2, 2025 | Ido Dolev EVP, Prod Solutions Grp | AGrant or award Performance Stock Unitderivative | +2,695 | $0.00 | $0 | 2,695 | Jun 4, 2025 |
| May 21, 2025 | Susan D Lynch director | AGrant or award Common Stock | +2,114 | $0.00 | $0 | 2,923 | May 23, 2025 |
| May 21, 2025 | May Su director | AGrant or award Common Stock | +2,114 | $0.00 | $0 | 7,223 | May 23, 2025 |
| May 21, 2025 | Christopher A Seams director | AGrant or award Common Stock | +2,114 | $0.00 | $0 | 37,752 | May 23, 2025 |
| May 21, 2025 | Stephen S Schwartz director | AGrant or award Common Stock | +2,114 | $0.00 | $0 | 2,775 | May 23, 2025 |
| May 21, 2025 | David Brian Miller director | AGrant or award Common Stock | +2,114 | $0.00 | $0 | 11,931 | May 23, 2025 |
| May 21, 2025 | Stephen Douglas Kelley director | AGrant or award Common Stock | +2,114 | $0.00 | $0 | 5,623 | May 23, 2025 |
| May 17, 2025 | Mark Slicer Chief Financial Officer | FTax withholding Common Stock | -2,066 | $99.40 | $205k | 13,640 | May 19, 2025 |
| May 15, 2025 | Yoon Ah OH SVP, Gen Counsel & Corp Sec | FTax withholding Common Stock | -603 | $98.04 | $59k | 18,010 | May 19, 2025 |
| May 15, 2025 | Ramil Yaldaei Chief Operating Officer | FTax withholding Common Stock | -217 | $98.04 | $21k | 12,400 | May 19, 2025 |
| May 15, 2025 | Ramil Yaldaei Chief Operating Officer | FTax withholding Common Stock | -609 | $98.04 | $60k | 11,791 | May 19, 2025 |
| Nov 15, 2024 | Mark Slicer Chief Financial Officer | SOpen-market sale Common Stock10b5-1 | -1,100 | $160.41 | $176k | 10,933 | Nov 18, 2024 |
| Oct 25, 2024 | Yoon Ah OH General Counsel | FTax withholding Common Stock | -1,296 | $204.39 | $265k | 13,014 | Oct 28, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Shirley ChenSVP, Customer Success
- Ido DolevEVP, Prod Solutions Grp
- Stephen Douglas Kelleyceo, president, officer, director
- Susan D Lynchdirector
- David Brian Millerdirector
- Yoon Ah OHSVP, Gen Counsel & Corp Sec
- Brian K RobertsChief Financial Officer
- Stephen S Schwartzdirector
- Christopher A Seamsdirector
- Mark SlicerChief Financial Officer
- May Sudirector
- Ramil YaldaeiChief Operating Officer
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.