Who
David Brian Miller
Director
Company insider
Files Form 4 as: Director, Onto Innovation; Director, Rudolph Technologies; Director, Merrimac Industries.
In numbers
- Trades disclosed
- 27
- Buys
- 0
- Sells
- 5
- Bought
- $0
- Sold
- $2.2M
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 22 Jun 2006
- Last trade
- 29 Sep 2026
- Last filed
- 1 Oct 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 | |
|---|---|---|---|---|
| 29 Sep 2026filed 1 Oct 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Sold | $600K2,000 at $300.00 | filing |
| 20 May 2026filed 22 May 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —761 at $0.00 | filing |
| 20 May 2026filed 22 May 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —761 at $0.00 | filing |
| 21 May 2025filed 23 May 2025 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —2,114 at $0.00 | filing |
| 22 May 2024filed 23 May 2024 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —809 at $0.00 | filing |
| 13 Feb 2024filed 13 Feb 2024 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Sold | $477K2,800 at $170.49 | filing |
| 23 May 2023filed 25 May 2023 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Sold | $381K3,815 at $99.84 | filing |
| 23 May 2023filed 25 May 2023 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Sold | $118K1,185 at $99.21 | filing |
| 9 May 2023filed 11 May 2023 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —2,200 at $0.00 | filing |
| 10 May 2022filed 12 May 2022 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —2,100 at $0.00 | filing |
| 7 Dec 2021filed 9 Dec 2021 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Sold | $536K5,500 at $97.41 | filing |
| 11 May 2021filed 12 May 2021 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —2,500 at $0.00 | filing |
| 24 Feb 2021filed 25 Feb 2021 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code D | $409K6,501 at $62.95 | filing |
| 12 May 2020filed 14 May 2020 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —4,800 at $0.00 | filing |
| 25 Oct 2019filed 29 Oct 2019 | Rudolph Technologies | SEC FORM 4 Code D | —21,400 | filing |
| 25 Oct 2019filed 29 Oct 2019 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —13,912 | filing |
| 25 Oct 2019filed 29 Oct 2019 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —3,297 | filing |
| 15 May 2019filed 15 May 2019 | Rudolph Technologies | SEC FORM 4 Code A | —4,100 at $0.00 | filing |
| 16 May 2018filed 18 May 2018 | Rudolph Technologies | SEC FORM 4 Code A | —3,100 at $0.00 | filing |
| 9 May 2018filed 10 May 2018 | Rudolph Technologies | SEC FORM 4 Sold | $13K400 at $31.35 | filing |
News
Onto Innovation (NYSE:ONTO) Stock: Insider David Brian Miller Sells 2,000 Sharesthemarketsdaily.com · 1 Oct 2026Onto Innovation (NYSE:ONTO) & Ambiq Micro (NYSE:AMBQ) Critical ReviewONTO · dailypolitical.com · 13 Oct 2026
1 headline in the last 90 days name David Brian Miller; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.