Lynch Susan D
- Shares
- 2.68K
- % company
- <0.01%
- Price
- $302.30
- Value
- $811,373
Filed Aug 21, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NYSE · Technology · Holders
Onto Innovation Inc (ONTO) Insider Trading History
Recent Form 4 insider activity for ONTO, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Sep 3, 4:00 PM EDT · Statements Jun 29, 8:00 PM EDT
Ownership read
ONTO insider sentiment: Net selling.
1 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
ONTO
Purchases0
Sales2.68K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Net selling
$811.37K sold / — bought
Latest filing
Aug 21, 2026
Most recent holder or insider filing date
Filings shown
52
52 insider
- Latest filing
- Aug 21, 2026
- Most recent holder or insider filing date
- Insider rows
- 52
- Market data source
Recent insider transactions
Onto Innovation Inc (ONTO) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Su May
- Shares
- 7.98K
- % company
- 0.02%
Filed May 20, 2026
Lynch Susan D
- Shares
- 3.68K
- % company
- <0.01%
Filed May 20, 2026
Kelley Stephen Douglas
- Shares
- 6.38K
- % company
- 0.01%
Filed May 20, 2026
SCHWARTZ STEPHEN S
- Shares
- 3.54K
- % company
- <0.01%
Filed May 20, 2026
MILLER DAVID BRIAN
- Shares
- 12.69K
- % company
- 0.03%
Filed May 20, 2026
SEAMS CHRISTOPHER A
- Shares
- 38.51K
- % company
- 0.08%
Filed May 20, 2026
YALDAEI RAMIL
- Shares
- 17.59K
- % company
- 0.04%
- Price
- $271.77
- Value
- $4,781,250
Filed May 15, 2026
YALDAEI RAMIL
- Shares
- 18.22K
- % company
- 0.04%
- Price
- $271.77
- Value
- $4,951,106
Filed May 15, 2026
OH Yoon Ah
- Shares
- 21.11K
- % company
- 0.04%
- Price
- $271.77
- Value
- $5,737,065
Filed May 15, 2026
Dolev Ido
- Shares
- 26.54K
- % company
- 0.05%
- Price
- $207.50
- Value
- $5,506,220
Filed Mar 3, 2026
YALDAEI RAMIL
- Shares
- 18.44K
- % company
- 0.04%
- Price
- $207.50
- Value
- $3,825,470
Filed Mar 3, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | Lynch Susan D | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 2.68K | Aug 21, 2026 |
| 2 | Su May | 0.02% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 7.98K | May 20, 2026 |
| 3 | Lynch Susan D | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 3.68K | May 20, 2026 |
| 4 | Kelley Stephen Douglas | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.38K | May 20, 2026 |
| 5 | SCHWARTZ STEPHEN S | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 3.54K | May 20, 2026 |
| 6 | MILLER DAVID BRIAN | 0.03% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 12.69K | May 20, 2026 |
| 7 | SEAMS CHRISTOPHER A | 0.08% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 38.51K | May 20, 2026 |
| 8 | YALDAEI RAMIL | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 17.59K | May 15, 2026 |
| 9 | YALDAEI RAMIL | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 18.22K | May 15, 2026 |
| 10 | OH Yoon Ah | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 21.11K | May 15, 2026 |
| 11 | Dolev Ido | 0.05% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 26.54K | Mar 3, 2026 |
| 12 | YALDAEI RAMIL | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 18.44K | Mar 3, 2026 |
Showing 12 of 52 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported ONTO insider?
Plisinski Michael P has the largest absolute share movement in the displayed ONTO filing rows, totaling 1.57 million shares. The action labels provide the transaction context.