ONTO INNOVATION INC. (ONTO) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $302K. Most recent filing: Sept. 4, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 4, 2026 filed Sept. 2, 2026 | ROBERTS BRIAN K Chief Financial Officer | $824,487 | 3,239 | −13% | No | |
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| Sept. 4, 2026 filed Sept. 2, 2026 | Chen Shirley Senior Vice President of Custo | $385,898 | 1,516 | −10% | No | |
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| Sept. 4, 2026 filed Sept. 2, 2026 | ROBERTS BRIAN K Chief Financial Officer | $824,487 | 3,239 | −13% | No | |
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| Aug. 25, 2026 filed Aug. 21, 2026 | Lynch Susan D Director | −$302,300 | 1,000 | −27% | Yes | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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