Michael P. Plisinski
CEO at Onto Innovation Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Onto Innovation Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Onto Innovation Inc. May 20, 202699.3%
-
Onto Innovation Inc. May 21, 202599.7%
-
Onto Innovation Inc. May 22, 202499.3%
-
Onto Innovation Inc. May 9, 202399.7%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 3, 2026 | Onto Innovation Inc. | Shares withheld for tax | −3,742 | $207.50 | $776,465 |
| Mar 2, 2026 | Onto Innovation Inc. | Grant or award | +14,479 | — | — |
| Mar 1, 2026 | Onto Innovation Inc. | Option exercise | +4,597 | — | — |
| Mar 1, 2026 | Onto Innovation Inc. | Shares withheld for tax | −2,222 | $215.89 | $479,708 |
| Mar 1, 2026 | Onto Innovation Inc. | Shares withheld for tax | −1,925 | $215.89 | $415,588 |
| Feb 14, 2026 | Onto Innovation Inc. | Option exercise | +18,445 | — | — |
| Feb 14, 2026 | Onto Innovation Inc. | Shares withheld for tax | −8,919 | $217.23 | $1,937,474 |
| Feb 14, 2026 | Onto Innovation Inc. | Shares withheld for tax | −3,632 | $217.23 | $788,979 |
| Dec 24, 2025 | Onto Innovation Inc. | Gift | −25,000 | — | — |
| Mar 3, 2025 | Onto Innovation Inc. | Grant or award | +23,212 | — | — |
| Mar 1, 2025 | Onto Innovation Inc. | Shares withheld for tax | −1,925 | $145.66 | $280,396 |
| Feb 14, 2025 | Onto Innovation Inc. | Option exercise | +23,650 | — | — |
| Feb 14, 2025 | Onto Innovation Inc. | Shares withheld for tax | −11,435 | $176.55 | $2,018,849 |
| Feb 14, 2025 | Onto Innovation Inc. | Shares withheld for tax | −3,812 | $176.55 | $673,009 |
| Feb 10, 2025 | Onto Innovation Inc. | Shares withheld for tax | −2,859 | $183.28 | $523,998 |
Questions about Michael P. Plisinski
What boards is Michael P. Plisinski on?
Michael P. Plisinski sits on the board of Onto Innovation Inc.
What company is Michael P. Plisinski the CEO of?
Michael P. Plisinski is CEO of Onto Innovation Inc.
How long has Michael P. Plisinski served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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