Editorially maintained · Quote pages & AI-economy analysis curated by the TECHi markets team · Senior review applied for sourcing & accuracy · Corrections policy
NYSE · Technology · Holders
Onto Innovation Inc insider transactions.
Recent insider purchases and sales for ONTO from Form 4 filings. Institutional holdings surface here when ownership feeds publish.
- Holder rows
- Pending
- Market data feed
- Latest filing
- Pending
- Most recent holder report date
- Increased / initiated
- Pending
- 0 decreased in loaded rows
- Insider rows
- 60
- Market data feed
Recent insider transactions
Onto Innovation Inc (ONTO) Form 4 filings
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | Su May | — | Award | 7.98K | — | — | May 20, 2026 |
| 2 | Lynch Susan D | — | Award | 3.68K | — | — | May 20, 2026 |
| 3 | Kelley Stephen Douglas | — | Award | 6.38K | — | — | May 20, 2026 |
| 4 | SCHWARTZ STEPHEN S | — | Award | 3.54K | — | — | May 20, 2026 |
| 5 | MILLER DAVID BRIAN | — | Award | 12.69K | — | — | May 20, 2026 |
| 6 | SEAMS CHRISTOPHER A | — | Award | 38.51K | — | — | May 20, 2026 |
| 7 | YALDAEI RAMIL | — | F | 17.59K | $271.77 | $4,781,250 | May 15, 2026 |
| 8 | YALDAEI RAMIL | — | F | 18.22K | $271.77 | $4,951,106 | May 15, 2026 |
| 9 | OH Yoon Ah | — | F | 21.11K | $271.77 | $5,737,065 | May 15, 2026 |
| 10 | Dolev Ido | — | F | 26.54K | $207.50 | $5,506,220 | Mar 3, 2026 |
| 11 | YALDAEI RAMIL | — | F | 18.44K | $207.50 | $3,825,470 | Mar 3, 2026 |
| 12 | OH Yoon Ah | — | F | 21.64K | $207.50 | $4,490,300 | Mar 3, 2026 |
Showing 12 of 60 filing-based insider rows. Percent of company uses current shares outstanding when available.
Frequently asked
Common questions.
Who are the largest ONTO shareholders?
TECHi's ONTO Holders page ranks the largest institutional shareholders of Onto Innovation Inc using filing-based market-data feeds.
What is institutional ownership of ONTO?
The Holders page shows institutional positions by share count and, when available, the latest filing change so readers can spot accumulation, reductions, initiated positions, and unchanged holdings.
Where can I see Onto Innovation Inc insider transactions?
Recent insider buys, sales, awards, gifts, and option exercises appear below the institutional holders table when Form 4 rows are available.

