ONTO Insider Trading Activity and SEC Form 4 Filings

ONTO insider trading summary

Over the past 12 months, insiders at Onto Innovation Inc. (ONTO) reported 2 sales worth $902K by 2 insiders and no open-market purchases on SEC Form 4. Net insider selling was $902K.

Latest ONTO insider buys and sells

DateInsiderTypeValue
Sep 29, 2026David Brian MillerSell$600K
Aug 21, 2026Susan D LynchSell$302K
Feb 13, 2025Srinivas VedulaSell$40K
Jan 21, 2025Michael P PlisinskiSell$7.7M
Jan 16, 2025Michael P PlisinskiSell$21K
Jan 16, 2025Michael P PlisinskiSell$6.3M
Jan 15, 2025Srinivas VedulaSell$170K
Jan 14, 2025Michael P PlisinskiSell$349K
Jan 14, 2025Michael P PlisinskiSell$3.7M
Nov 15, 2024Mark SlicerSell$176K

Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.

ONTO Insider Trading: Onto Innovation Inc. Buys & Sells | Insidra