🕵️ ONTO Innovation Inc. ($ONTO)
SEC insider & ownership activity, last 12 months · CIK 704532 · every row links its SEC filing
Over the last 12 months insiders sold $302K with no open-market buying against it. Susan D. Lynch sold $302K through a 10b5-1 trading plan in 1 lots (Aug). BlackRock, Inc. trimmed 11.3% → 10.3%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 1 seller, $302K (1 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Susan D. Lynch | 0 | – | 1 | $302K | Aug 21, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10.3% | 13G | Oct 17, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 5.5% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Susan D. Lynch | $302K | Aug 21, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Acquisition or disposition (2.01) | Aug 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 9, 2026 | filing ↗ |
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 20, 2026 | filing ↗ |
| Material agreement (1.01) | May 18, 2026 | filing ↗ |
| New financial obligation (2.03) | May 18, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | May 18, 2026 | filing ↗ |
| Other events (8.01) | May 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 18, 2026 | filing ↗ |
| Other events (8.01) | May 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 18, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 20, 2026 | filing ↗ |
| Other events (8.01) | Apr 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |
| Earnings (2.02) | Apr 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 16, 2026 | filing ↗ |
| Earnings (2.02) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Officer/director changes (5.02) | Nov 19, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 19, 2025 | filing ↗ |
| Acquisition or disposition (2.01) | Nov 17, 2025 | filing ↗ |
| Unregistered equity sale (3.02) | Nov 17, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 17, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 17, 2025 | filing ↗ |