Updated Jul 16, 2026
Plisinski Michael P is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.

Michael P. Plisinski is the Chief Executive Officer of Onto Innovation Inc., a company that specializes in providing advanced process control and inspection solutions for the semiconductor industry. He has extensive experience in the technology sector, particularly in leadership roles that focus on innovation and growth.
| Role | Chief Executive Officer, Director |
|---|---|
| Notability | 75/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-04 | ONTO | ONTO INNOVATION INC. | F — Tax withholding / forfeiture | 3.7K | $207.50 | $776K |
| 2026-03-04 | ONTO | ONTO INNOVATION INC. | A — Grant or award | 14.5K | $0.00 | |
| 2026-03-03 | ONTO | ONTO INNOVATION INC. | F — Tax withholding / forfeiture | 1.9K | $215.89 | $416K |
| 2026-03-03 | ONTO | ONTO INNOVATION INC. | F — Tax withholding / forfeiture | 2.2K | $215.89 | $480K |
| 2026-03-03 | ONTO | ONTO INNOVATION INC. | M — Option exercise | 4.6K | $0.00 | |
| 2026-02-18 | ONTO | ONTO INNOVATION INC. | F — Tax withholding / forfeiture | 3.6K | $217.23 | $789K |
| 2026-02-18 | ONTO | ONTO INNOVATION INC. | F — Tax withholding / forfeiture | 8.9K | $217.23 | $1.94M |
| 2026-02-18 | ONTO | ONTO INNOVATION INC. | M — Option exercise | 18.4K | $0.00 |
Michael P. Plisinski is the Chief Executive Officer of Onto Innovation Inc., a company that specializes in providing advanced process control and inspection solutions for the semiconductor industry. He has extensive experience in the technology sector, particularly in leadership roles that focus on innovation and growth.…
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