Who
Yoon Ah Oh
SVP, Gen Counsel & Corp Sec
Company insider
Files Form 4 as: SVP, Gen Counsel & Corp Sec, Onto Innovation.
In numbers
- Trades disclosed
- 61
- Buys
- 0
- Sells
- 2
- Bought
- $0
- Sold
- $770K
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 25 Oct 2021
- Last trade
- 15 May 2026
- Last filed
- 18 May 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 | |
|---|---|---|---|---|
| 15 May 2026filed 18 May 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $144K530 at $271.77 | filing |
| 15 May 2026filed 18 May 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $144K530 at $271.77 | filing |
| 3 Mar 2026filed 4 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $87K417 at $207.50 | filing |
| 3 Mar 2026filed 4 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $87K417 at $207.50 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —2,408 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code A | —1,204 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code A | —1,204 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code A | —1,204 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code A | —1,204 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code A | —2,408 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code M | —724 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $66K307 at $215.89 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $58K267 at $215.89 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code M | —941 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto Innovationoption or derivative · Life-science tools | SEC FORM 4 Code M | —941 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code M | —724 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $66K307 at $215.89 | filing |
| 1 Mar 2026filed 3 Mar 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $58K267 at $215.89 | filing |
| 14 Feb 2026filed 18 Feb 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code M | —3,084 at $0.00 | filing |
| 14 Feb 2026filed 18 Feb 2026 | ONTO Onto InnovationLife-science tools | SEC FORM 4 Code F | $238K1,094 at $217.23 | 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 Yoon Ah Oh; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.