Who
Michael P. Plisinski
Chief Executive Officer
Company insider
Files Form 4 as: Chief Executive Officer, Onto Innovation; Chief Executive Officer, Rudolph Technologies; VP of Engineering, August Technology.
In numbers
- Trades disclosed
- 310
- Buys
- 0
- Sells
- 28
- Bought
- $0
- Sold
- $35.1M
- Companies
- 3
- Companies where not an officer
- 0
- First trade
- 13 Jan 2006
- Last trade
- 3 Mar 2026
- Last filed
- 4 Mar 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 3 Mar 2026filed 4 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $776K3,742 at $207.50 | filing |
| 3 Mar 2026filed 4 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $776K3,742 at $207.50 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —14,479 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code A | —7,239 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code A | —7,239 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code A | —7,239 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code A | —7,239 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —14,479 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code M | —4,597 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $480K2,222 at $215.89 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $416K1,925 at $215.89 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code M | —5,971 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code M | —5,971 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code M | —4,597 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $480K2,222 at $215.89 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $416K1,925 at $215.89 | filing |
| 14 Feb 2026filed 18 Feb 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code M | —18,445 at $0.00 | filing |
| 14 Feb 2026filed 18 Feb 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $1.9M8,919 at $217.23 | filing |
| 14 Feb 2026filed 18 Feb 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $789K3,632 at $217.23 | filing |
| 14 Feb 2026filed 18 Feb 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code M | —11,824 at $0.00 | filing |
News
Onto Innovation (NYSE:ONTO) & Ambiq Micro (NYSE:AMBQ) Critical ReviewONTO · dailypolitical.com · 13 Oct 2026
0 headlines in the last 90 days name Michael P. Plisinski; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.