Yoon Ah Oh
SVP, Gen Counsel & Corp Sec · ONTO INNOVATION INC.
Individual
- 2024
- May 18, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Yoon Ah Oh files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- David Brian Miller - $600K in ONTO purchases and sales in the last 12 months
- Susan D. Lynch - $302K in ONTO purchases and sales in the last 12 months
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Frequently asked questions
Who is Yoon Ah Oh?
Yoon Ah Oh is a corporate insider, tracked as SVP, Gen Counsel & Corp Sec of ONTO INNOVATION INC. (ONTO). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Yoon Ah Oh last file a Form 4?
The most recent primary Form 4 on record is dated 18 May 2026, one of 5 filings going back to 2024.
