Plisinski Michael P - Insider Non-Derivative Transactions at ONTO INNOVATION INC. (ONTO) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 24, 2025, Plisinski Michael P's relationship to ONTO INNOVATION INC. (ONTO) is Director,Officer (Chief Executive Officer), and currently has 162,161 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other ONTO insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Plisinski Michael P - Insider Non-Derivative Transactions of ONTO Common Stock
Plisinski Michael P - Insider Non-Derivative Transactions at ONTO
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 25, 2025 | G -- (Common Stock) | 25000 | 0 | 162161 |
| Mar 4, 2025 | Acquisition -- (Common Stock) | 23212 | 0 | 187161 |
| Mar 2, 2025 | F -- (Common Stock) | 1925 | 145.66 | 163949 |
| Feb 15, 2025 | F -- (Common Stock) | 3812 | 176.55 | 165874 |
| Feb 15, 2025 | F -- (Common Stock) | 11435 | 176.55 | 169686 |
| Feb 15, 2025 | M -- (Common Stock) | 23650 | 0 | 181121 |
| Feb 11, 2025 | F -- (Common Stock) | 2859 | 183.28 | 147633 |
| Feb 11, 2025 | F -- (Common Stock) | 9210 | 183.28 | 157471 |
| Feb 11, 2025 | M -- (Common Stock) | 19048 | 0 | 166681 |
| Jan 22, 2025 | Sell -- (Common Stock) | 35000 | 219.19 | 150492 |
| Jan 17, 2025 | Sell -- (Common Stock) | 100 | 212.11 | 185492 |
| Jan 17, 2025 | Sell -- (Common Stock) | 29900 | 211.24 | 185592 |
| Jan 15, 2025 | Sell -- (Common Stock) | 1732 | 201.26 | 215492 |
| Jan 15, 2025 | Sell -- (Common Stock) | 18268 | 200.09 | 217224 |
| Mar 21, 2024 | Sell -- (Common Stock) | 2914 | 178.16 | 235492 |
| Mar 21, 2024 | Sell -- (Common Stock) | 1816 | 177.04 | 238406 |
| Mar 21, 2024 | Sell -- (Common Stock) | 22596 | 176 | 240222 |
| Mar 21, 2024 | Sell -- (Common Stock) | 2060 | 174.79 | 262818 |
| Mar 21, 2024 | Sell -- (Common Stock) | 6270 | 173.96 | 264878 |
| Mar 21, 2024 | Sell -- (Common Stock) | 4344 | 172.83 | 271148 |
| Mar 2, 2024 | Acquisition -- (Common Stock) | 11943 | 0 | 275492 |
| Feb 15, 2024 | F -- (Common Stock) | 3812 | 173.08 | 263549 |
| Feb 11, 2024 | F -- (Common Stock) | 3071 | 180.01 | 257522 |
| Feb 11, 2024 | F -- (Common Stock) | 9211 | 180.01 | 267361 |
| Feb 11, 2024 | M -- (Common Stock) | 19050 | 0 | 276572 |
| Feb 9, 2024 | F -- (Common Stock) | 4032 | 164.76 | 247762 |
| Feb 9, 2024 | F -- (Common Stock) | 12003 | 164.76 | 260593 |
| Feb 9, 2024 | M -- (Common Stock) | 24834 | 0 | 272596 |
| Aug 22, 2023 | Sell -- (Common Stock) | 4886 | 114.44 | 251794 |
| Aug 22, 2023 | Sell -- (Common Stock) | 9696 | 113.76 | 256680 |
| Aug 22, 2023 | Sell -- (Common Stock) | 6763 | 112.49 | 266376 |
| Aug 22, 2023 | Sell -- (Common Stock) | 7002 | 111.86 | 273139 |
| Aug 22, 2023 | Sell -- (Common Stock) | 2653 | 110.16 | 280141 |
| Feb 15, 2023 | Acquisition -- (Common Stock) | 23650 | 0 | 282794 |
| Feb 11, 2023 | F -- (Common Stock) | 3091 | 80.9 | 259144 |
| Feb 9, 2023 | F -- (Common Stock) | 4029 | 82.3 | 237401 |
| Feb 9, 2023 | F -- (Common Stock) | 12087 | 82.3 | 241430 |
| Feb 9, 2023 | M -- (Common Stock) | 24834 | 0 | 262235 |
| Feb 8, 2023 | F -- (Common Stock) | 5114 | 84.31 | 222309 |
| Feb 8, 2023 | F -- (Common Stock) | 15189 | 84.31 | 227423 |
| Feb 8, 2023 | M -- (Common Stock) | 31208 | 0 | 253517 |
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