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ONTO
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Onto Innovation Inc.

ONTO · Technology · Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that perform macro-defect inspec…

Onto Innovation Inc. (ONTO), in the Technology sector, has 1 disclosed filing on Paydirt over the trailing twelve months from 1 corporate insider: 0 purchases and 1 sale. Filers took a median of 4 days from execution to disclosure, and the most recent trade was executed Aug 21 and filed Aug 25. The most active filer was Michael P Plisinski with 3 filings.

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Filings, ttm
1
0 buys · 1 sell
Traders, ttm
1
1 insider
Volume, ttmiDollar value disclosed in the window
$302K
estimated for Congress, as filed for insiders
Median delay
4d
execution to disclosure
Last traded
Aug 21
Filed Aug 25
ADViAverage daily dollar volume
$370.3M
market data
Share price · 12M
$271 (+108.1%)
$378$250$121Sep 22 2025Mar 12Aug 28

Adjusted for splits and dividends.

Volume by month
$18.2M$9.1M$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · sells $176KJan 2025 · sells $18.2MJun 2025 · sells $16KAug 2026 · sells $302K
Buys $0 Sells $18.7M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
MP Michael P Plisinski CEO 3 filings RB Rob Bresnahan Representative (Joint) 1 filing SL Susan D Lynch Director 1 filing MS Mark Slicer Chief Financial Officer 1 filing SV Srinivas Vedula SVP, Customer Success 1 filing
Recent filings
Susan D LynchSALE Director $302K
1,000 sh × $302.30
Exec Aug 21
Filed Aug 25 · 5:25 PM ET
Rob BresnahanSALE Representative $16K
2 lots · $2K–30K bracket
Exec May 9 2025
Filed Jun 9 2025
Michael P PlisinskiSALE CEO $7.7M
35,000 sh × $219.19
Exec Jan 21 2025
Filed Jan 22 2025 · 5:30 PM ET
Michael P PlisinskiSALE CEO $6.3M
29,900 sh × $211.24
Exec Jan 16 2025
Filed Jan 21 2025 · 5:30 PM ET
Michael P PlisinskiSALE CEO $4.0M
20,000 sh across 2 lots
Exec Jan 14 2025
Filed Jan 16 2025 · 5:30 PM ET
Srinivas VedulaSALE SVP, Customer Success $170K
827 sh × $205.00
Exec Jan 15 2025
Filed Jan 16 2025 · 5:30 PM ET
Mark SlicerSALE Chief Financial Officer $176K
1,100 sh × $160.41
Exec Nov 15 2024
Filed Nov 18 2024 · 5:30 PM ET