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Onto Innovation Inc.

ONTO
Exchange
NYSE
Industry
Measuring & Controlling Devices, NEC
SEC CIK
0000704532

In the last 90 days, Onto Innovation Inc. insiders filed 0 open-market purchases and 1 sale; 691 institutions reported holding it in 13F filings for Q2 2026, worth $18.4B in total; Maverick Capital is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Onto Innovation Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
1 filing
1 insider, $302.3K in total
Insiders trading
1
Net value
−$302.3K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Onto Innovation Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Onto Innovation Inc.
NameTitleLast reported holdingLast filingFilings, past year
Roberts Brian KChief Financial Officer21,032Sep 4, 20263
Chen ShirleySenior Vice President of Custo14,001Sep 4, 20262
Lynch Susan DDirector2,684Aug 25, 20262
Seams Christopher ADirector38,513May 22, 20261
Miller David BrianDirector12,692May 22, 20261
Schwartz Stephen SDirector3,536May 22, 20261
Kelley Stephen DouglasDirector6,384May 22, 20261
Su MayDirector7,984May 22, 20261
OH Yoon AhSVP, Gen Counsel & Corp Sec21,110May 18, 20264
Yaldaei RamilChief Operating Officer17,593May 18, 20264
Plisinski Michael PChief Executive Officer179,242Mar 4, 20264
Dolev IdoEVP, Prod Solutions Grp26,536Mar 4, 20262
Slicer MarkChief Financial Officer13,640Jun 13, 20250
Berlinghieri LeoDirector20,210May 23, 20250
Tsingos Christine ADirector42,918May 23, 20250
Vedula SrinivasSVP Customer Success18,730Apr 9, 20250
Brooks D MaysonVice President & GM, IBU3,025Dec 4, 20240
Fiordalice RobertSr. Vice President & GM, MBU8,763Dec 4, 20240
Rogge Karen MDirector5,150May 23, 20240
Jin JuSVP, GM IBU10,254Jul 19, 20230
Harlow JamesChief Operating Officer8,586May 17, 20230
Roth Steven RSr VP & CFO23,043May 19, 20220
Brown Edward J JrDirector–May 10, 20220
Rhine Bruce CDirector3,500May 10, 20220
Smedt RodneyOther: SVP & GM, MBU–Jan 28, 20220
Hartunian BarryOther: VP Global Human Resources–Jan 28, 20220
Heidrich KevinOther: SVP, Marketing & Corp Develop–Jan 21, 20220
Koch Robert AlanCorporate Secretary–Jan 5, 20220
Kocher RollinOther: Sr VP, Field Operations33,896Sep 8, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 25, 2026 (view filing)5:25 PM ETAug 214 daysLynch Susan DDirectorSSale−1.00K$302.30−$302.3K−27.1%2.68K after10b5-1
Feb 18, 2025 (view filing)Feb 135 daysVedula SrinivasSVP, Customer SuccessSSale−238$169.58−$40.4K−1.5%15.5K after10b5-1
Jan 22, 2025 (view filing)Jan 211 dayPlisinski Michael PCEOSSale−35.0K$219.19−$7.67M−18.9%150.5K after10b5-1
Jan 21, 2025 (view filing)Jan 165 daysPlisinski Michael PCEOSSale−30.0K$211.24−$6.34M−13.9%185.5K after2 lots10b5-1
Jan 16, 2025 (view filing)Jan 151 dayVedula SrinivasSVP, Customer SuccessSSale−827$205.00−$169.5K−5.2%15.2K after10b5-1
Jan 16, 2025 (view filing)Jan 142 daysPlisinski Michael PCEOSSale−20.0K$200.19−$4.00M−8.5%215.5K after2 lots10b5-1
Nov 18, 2024 (view filing)Nov 153 daysSlicer MarkChief Financial OfficerSSale−1.10K$160.41−$176.5K−9.1%10.9K after10b5-1
Sep 4, 2024 (view filing)Sep 31 dayVedula SrinivasSVP, Customer SuccessSSale−1.27K$207.24−$264.2K−7.4%16.1K after10b5-1
Jun 11, 2024 (view filing)Jun 101 dayVedula SrinivasSVP, Customer SuccessSSale−1.49K$213.40−$317.1K−7.9%17.4K after10b5-1
Jun 10, 2024 (view filing)Jun 6-74 daysSlicer MarkChief Financial OfficerSSale−1.04K$219.19−$227.5K−7.9%12.0K after2 lots10b5-1
Mar 22, 2024 (view filing)Mar 202 daysPlisinski Michael PCEOSSale−40.0K$175.48−$7.02M−14.5%235.5K after6 lots10b5-1
Mar 18, 2024 (view filing)Mar 15-183 daysOH Yoon AhVP, General Counsel & Corp SecSSale−4.37K$176.29−$770.4K−22.7%14.9K after2 lots10b5-1
Feb 13, 2024 (view filing)Feb 13Same dayMiller David BrianDirectorSSale−2.80K$170.49−$477.4K−23.7%9.01K after
Sep 18, 2023 (view filing)Sep 153 daysSlicer MarkChief Financial OfficerSSale−3.00K$125.14−$376.0K−18.6%13.1K after4 lots10b5-1
Sep 18, 2023 (view filing)Sep 153 daysFiordalice RobertSVP & GM, Metrology BUSSale−7.05K$125.19−$882.4K−52.1%6.48K after5 lots10b5-1
Sep 5, 2023 (view filing)Sep 14 daysVedula SrinivasSVP, Customer SuccessSSale−1.47K$137.00−$201.3K−7.6%18.0K after
Aug 22, 2023 (view filing)Aug 211 dayPlisinski Michael PCEOSSale−31.0K$112.85−$3.50M−11.0%251.8K after5 lots10b5-1
Jun 16, 2023 (view filing)Jun 151 dayJin JuSVP & GM, IBUSSale−3.23K$105.17−$339.8K−24.0%10.3K after
Jun 6, 2023 (view filing)Jun 51 dayJin JuSVP & GM, IBUSSale−1.23K$107.72−$132.7K−8.4%13.5K after
May 30, 2023 (view filing)May 264 daysFiordalice RobertSVP, GM MBUSSale−846$109.40−$92.6K−5.9%13.5K after10b5-1
May 25, 2023 (view filing)May 232 daysMiller David BrianDirectorSSale−5.00K$99.69−$498.5K−29.7%11.8K after2 lots
May 22, 2023 (view filing)May 184 daysFiordalice RobertSVP, GM MBUSSale−780$101.25−$79.0K−5.1%14.4K after10b5-1
May 18, 2023 (view filing)May 171 dayFiordalice RobertSVP, GM MBUSSale−768$97.20−$74.6K−4.8%15.2K after10b5-1
May 17, 2023 (view filing)May 152 daysFiordalice RobertSVP, GM MBUSSale−669$93.15−$62.3K−4.0%15.9K after10b5-1
May 17, 2023 (view filing)May 161 dayJin JuSVP & GM, IBUSSale−1.60K$95.00−$152.3K−9.8%14.7K after
Aug 9, 2022 (view filing)Aug 54 daysFiordalice RobertSr. Vice President & GM, MBUSSale−662$89.10−$59.0K−4.9%12.9K after
Feb 17, 2022 (view filing)Feb 152 daysRhine Bruce CDirectorSSale−61.1K$89.78−$5.48M−94.6%3.50K after3 lots
Jan 18, 2022 (view filing)Jan 144 daysRoth Steven RSr VP & CFOSSale−5.00K$105.00−$525.0K−21.0%18.8K after
Dec 10, 2021 (view filing)Dec 82 daysRhine Bruce CDirectorSSale−22.6K$98.12−$2.22M−25.6%65.9K after
Dec 9, 2021 (view filing)Dec 72 daysMiller David BrianDirectorSSale−5.50K$97.41−$535.8K−30.5%12.5K after
Nov 23, 2021 (view filing)Nov 194 daysVedula SrinivasOther: Sr VP, Customer Success GroupSSale−6.22K$90.31−$562.2K−28.2%15.9K after
Nov 3, 2021 (view filing)Nov 3Same dayRoth Steven RSr VP & CFOSSale−5.00K$83.00−$415.0K−17.4%23.8K after
Nov 3, 2021 (view filing)Nov 12 daysRhine Bruce CDirectorSSale−50.0K$80.36−$4.02M−36.1%88.5K after
Nov 3, 2021 (view filing)Nov 12 daysBerlinghieri LeoDirectorSSale−5.28K$80.48−$424.5K−25.9%15.1K after
Aug 10, 2021 (view filing)Aug 64 daysPlisinski Michael PChief Executive OfficerSSale−29.6K$75.34−$2.23M−12.0%217.6K after