ONTO · Onto Innovation Inc. Common Stock
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| Michael P. Plisinski CEO | ▼ Sell | Tax Withholding | 179,242 Shares held | 3/3/2026 | View profile |
| Christine A. Tsingos Director | ▲ Buy | Grant | 42,918 Shares held | 5/22/2024 | View profile |
| Christopher A. Seams Director | ▲ Buy | Grant | 38,513 Shares held | 5/20/2026 | View profile |
| Kocher Rollin | ▼ Sell | Other | 33,896 Shares held | 9/6/2021 | View profile |
| Ido Dolev EVP, Prod Solutions Grp | ▼ Sell | Tax Withholding | 26,536 Shares held | 3/3/2026 | View profile |
| Brian K. Roberts Chief Financial Officer | ▲ Buy | Grant | 24,271 Shares held | 3/2/2026 | View profile |
| ROTH STEVEN R Sr VP & CFO | ▲ Buy | Grant | 23,043 Shares held | 2/10/2022 | View profile |
| Yoon Ah OH VP, General Counsel | ▼ Sell | Tax Withholding | 21,110 Shares held | 5/15/2026 | View profile |
| BERLINGHIERI LEO Director | ▲ Buy | Grant | 20,210 Shares held | 5/22/2024 | View profile |
| Srinivas Vedula SVP, Customer Success | ▲ Buy | Grant | 18,730 Shares held | 3/3/2025 | View profile |
| Ramil Yaldaei Chief Operating Officer | ▼ Sell | Tax Withholding | 17,593 Shares held | 5/15/2026 | View profile |
| Shirley Chen SVP, Customer Success | ▲ Buy | Grant | 15,517 Shares held | 3/2/2026 | View profile |
| Mark Slicer Chief Financial Officer | ▼ Sell | Tax Withholding | 13,640 Shares held | 5/17/2025 | View profile |
| David Brian Miller Director | ▲ Buy | Grant | 12,692 Shares held | 5/20/2026 | View profile |
| Jin Ju SVP & GM, IBU | ▼ Sell | Open Market | 10,254 Shares held | 6/15/2023 | View profile |
| Fiordalice Robert SVP, GM MBU | ▲ Buy | Grant | 8,763 Shares held | 3/1/2024 | View profile |
| Harlow James | ▲ Buy | Grant | 8,586 Shares held | 2/14/2023 | View profile |
| May Su Director | ▲ Buy | Grant | 7,984 Shares held | 5/20/2026 | View profile |
| Stephen Douglas Kelley Director | ▲ Buy | Grant | 6,384 Shares held | 5/20/2026 | View profile |
| ROGGE KAREN M Director | ▲ Buy | Grant | 5,150 Shares held | 5/9/2023 | View profile |
| Susan D. Lynch Director | ▲ Buy | Grant | 3,684 Shares held | 5/20/2026 | View profile |
| Stephen S. Schwartz Director | ▲ Buy | Grant | 3,536 Shares held | 5/20/2026 | View profile |
| Rhine Bruce C Director | ▼ Sell | Open Market | 3,500 Shares held | 2/15/2022 | View profile |
| BROOKS D MAYSON Vice President & GM, IBU | ▼ Sell | Tax Withholding | 3,025 Shares held | 9/1/2024 | View profile |
Transaction History
| May Su | ▲ Buy | Grant | 761 | $0 | 5/20/2026 |
| Christopher A. Seams | ▲ Buy | Grant | 761 | $0 | 5/20/2026 |
| Stephen S. Schwartz | ▲ Buy | Grant | 761 | $0 | 5/20/2026 |
| David Brian Miller | ▲ Buy | Grant | 761 | $0 | 5/20/2026 |
| Susan D. Lynch | ▲ Buy | Grant | 761 | $0 | 5/20/2026 |
| Stephen Douglas Kelley | ▲ Buy | Grant | 761 | $0 | 5/20/2026 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 218 | $59K | 5/15/2026 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 625 | $170K | 5/15/2026 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 530 | $144K | 5/15/2026 |
| Ido Dolev | ▼ Sell | Tax Withholding | 819 | $170K | 3/3/2026 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 615 | $128K | 3/3/2026 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 3,742 | $776K | 3/3/2026 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 417 | $87K | 3/3/2026 |
| Brian K. Roberts | ▲ Buy | Grant | 3,096 | $0 | 3/2/2026 |
| Ido Dolev | ▲ Buy | Grant | 3,440 | $0 | 3/2/2026 |
| Ramil Yaldaei | ▲ Buy | Grant | 7,683 | $0 | 3/2/2026 |
| Michael P. Plisinski | ▲ Buy | Grant | 14,479 | $0 | 3/2/2026 |
| Yoon Ah OH | ▲ Buy | Grant | 2,408 | $0 | 3/2/2026 |
| Shirley Chen | ▲ Buy | Grant | 2,523 | $0 | 3/2/2026 |
| Ramil Yaldaei | ▲ Buy | Option Exercise | 649 | $0 | 3/1/2026 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 347 | $75K | 3/1/2026 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 276 | $60K | 3/1/2026 |
| Michael P. Plisinski | ▲ Buy | Option Exercise | 4,597 | $0 | 3/1/2026 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 2,222 | $480K | 3/1/2026 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 1,925 | $416K | 3/1/2026 |
| Yoon Ah OH | ▲ Buy | Option Exercise | 724 | $0 | 3/1/2026 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 307 | $66K | 3/1/2026 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 267 | $58K | 3/1/2026 |
| Michael P. Plisinski | ▲ Buy | Option Exercise | 18,445 | $0 | 2/14/2026 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 8,919 | $1.9M | 2/14/2026 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 3,632 | $789K | 2/14/2026 |
| Yoon Ah OH | ▲ Buy | Option Exercise | 3,084 | $0 | 2/14/2026 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 1,094 | $238K | 2/14/2026 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 501 | $109K | 2/14/2026 |
| Michael P. Plisinski | ▼ Sell | Gift | 25,000 | $0 | 12/24/2025 |
| Ido Dolev | ▼ Sell | Tax Withholding | 3,183 | $490K | 12/2/2025 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 594 | $85K | 10/3/2025 |
| Brian K. Roberts | ▲ Buy | Grant | 21,175 | $0 | 9/2/2025 |
| Shirley Chen | ▲ Buy | Grant | 12,994 | $0 | 9/2/2025 |
| Ido Dolev | ▲ Buy | Grant | 21,562 | $0 | 6/2/2025 |
| Ido Dolev | ▲ Buy | Grant | 5,391 | $0 | 6/2/2025 |
| May Su | ▲ Buy | Grant | 2,114 | $0 | 5/21/2025 |
| Christopher A. Seams | ▲ Buy | Grant | 2,114 | $0 | 5/21/2025 |
| Stephen S. Schwartz | ▲ Buy | Grant | 2,114 | $0 | 5/21/2025 |
| David Brian Miller | ▲ Buy | Grant | 2,114 | $0 | 5/21/2025 |
| Susan D. Lynch | ▲ Buy | Grant | 2,114 | $0 | 5/21/2025 |
| Stephen Douglas Kelley | ▲ Buy | Grant | 2,114 | $0 | 5/21/2025 |
| Mark Slicer | ▼ Sell | Tax Withholding | 2,066 | $205K | 5/17/2025 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 217 | $21K | 5/15/2025 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 609 | $60K | 5/15/2025 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 603 | $59K | 5/15/2025 |
| Ramil Yaldaei | ▲ Buy | Grant | 3,769 | $0 | 3/3/2025 |
| Srinivas Vedula | ▲ Buy | Grant | 2,574 | $0 | 3/3/2025 |
| Mark Slicer | ▲ Buy | Grant | 2,941 | $0 | 3/3/2025 |
| Michael P. Plisinski | ▲ Buy | Grant | 23,212 | $0 | 3/3/2025 |
| Yoon Ah OH | ▲ Buy | Grant | 2,941 | $0 | 3/3/2025 |
| Mark Slicer | ▼ Sell | Tax Withholding | 336 | $49K | 3/1/2025 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 1,925 | $280K | 3/1/2025 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 304 | $44K | 3/1/2025 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 305 | $44K | 3/1/2025 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 199 | $29K | 3/1/2025 |
| Yoon Ah OH | ▲ Buy | Option Exercise | 3,956 | $0 | 2/14/2025 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 1,830 | $323K | 2/14/2025 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 493 | $87K | 2/14/2025 |
| Michael P. Plisinski | ▲ Buy | Option Exercise | 23,650 | $0 | 2/14/2025 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 11,435 | $2.0M | 2/14/2025 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 3,812 | $673K | 2/14/2025 |
| Mark Slicer | ▲ Buy | Option Exercise | 4,564 | $0 | 2/14/2025 |
| Mark Slicer | ▼ Sell | Tax Withholding | 1,776 | $314K | 2/14/2025 |
| Mark Slicer | ▼ Sell | Tax Withholding | 620 | $109K | 2/14/2025 |
| Srinivas Vedula | ▲ Buy | Option Exercise | 2,738 | $0 | 2/14/2025 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 1,391 | $246K | 2/14/2025 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 464 | $82K | 2/14/2025 |
| Srinivas Vedula | ▼ Sell | Open Market | 238 | $40K | 2/13/2025 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 306 | $56K | 2/10/2025 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 839 | $154K | 2/10/2025 |
| Srinivas Vedula | ▲ Buy | Option Exercise | 1,632 | $0 | 2/10/2025 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 375 | $69K | 2/10/2025 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 1,016 | $186K | 2/10/2025 |
| Yoon Ah OH | ▲ Buy | Option Exercise | 2,720 | $0 | 2/10/2025 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 2,859 | $524K | 2/10/2025 |
| Michael P. Plisinski | ▲ Buy | Option Exercise | 19,048 | $0 | 2/10/2025 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 9,210 | $1.7M | 2/10/2025 |
| Michael P. Plisinski | ▼ Sell | Open Market | 35,000 | $7.7M | 1/21/2025 |
| Michael P. Plisinski | ▼ Sell | Open Market | 29,900 | $6.3M | 1/16/2025 |
| Michael P. Plisinski | ▼ Sell | Open Market | 100 | $21K | 1/16/2025 |
| Srinivas Vedula | ▼ Sell | Open Market | 827 | $170K | 1/15/2025 |
| Michael P. Plisinski | ▼ Sell | Open Market | 18,268 | $3.7M | 1/14/2025 |
| Michael P. Plisinski | ▼ Sell | Open Market | 1,732 | $349K | 1/14/2025 |
| Mark Slicer | ▼ Sell | Open Market | 1,100 | $176K | 11/15/2024 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 1,296 | $265K | 10/25/2024 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 592 | $122K | 10/3/2024 |
| Srinivas Vedula | ▼ Sell | Open Market | 1,275 | $264K | 9/3/2024 |
| BROOKS D MAYSON | ▼ Sell | Tax Withholding | 224 | $48K | 9/1/2024 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 280 | $60K | 8/30/2024 |
| Stephen S. Schwartz | ▲ Buy | Grant | 661 | $0 | 8/20/2024 |
| Srinivas Vedula | ▼ Sell | Open Market | 1,486 | $317K | 6/10/2024 |
| Mark Slicer | ▼ Sell | Open Market | 519 | $113K | 6/7/2024 |
| Mark Slicer | ▼ Sell | Open Market | 519 | $115K | 6/6/2024 |
| Christine A. Tsingos | ▲ Buy | Grant | 809 | $0 | 5/22/2024 |
| May Su | ▲ Buy | Grant | 809 | $0 | 5/22/2024 |
| Christopher A. Seams | ▲ Buy | Grant | 809 | $0 | 5/22/2024 |
| David Brian Miller | ▲ Buy | Grant | 809 | $0 | 5/22/2024 |
| Susan D. Lynch | ▲ Buy | Grant | 809 | $0 | 5/22/2024 |
| Stephen Douglas Kelley | ▲ Buy | Grant | 809 | $0 | 5/22/2024 |
| BERLINGHIERI LEO | ▲ Buy | Grant | 809 | $0 | 5/22/2024 |
| Mark Slicer | ▼ Sell | Tax Withholding | 1,633 | $365K | 5/17/2024 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 194 | $45K | 5/15/2024 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 545 | $127K | 5/15/2024 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 603 | $141K | 5/15/2024 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 302 | $56K | 4/1/2024 |
| Michael P. Plisinski | ▼ Sell | Open Market | 4,344 | $751K | 3/20/2024 |
| Michael P. Plisinski | ▼ Sell | Open Market | 6,270 | $1.1M | 3/20/2024 |
| Michael P. Plisinski | ▼ Sell | Open Market | 2,060 | $360K | 3/20/2024 |
| Michael P. Plisinski | ▼ Sell | Open Market | 22,596 | $4.0M | 3/20/2024 |
| Michael P. Plisinski | ▼ Sell | Open Market | 1,816 | $322K | 3/20/2024 |
| Michael P. Plisinski | ▼ Sell | Open Market | 2,914 | $519K | 3/20/2024 |
| Yoon Ah OH | ▼ Sell | Open Market | 1,685 | $303K | 3/18/2024 |
| Yoon Ah OH | ▼ Sell | Open Market | 2,685 | $467K | 3/15/2024 |
| Ramil Yaldaei | ▲ Buy | Grant | 1,688 | $0 | 3/1/2024 |
| Srinivas Vedula | ▲ Buy | Grant | 1,169 | $0 | 3/1/2024 |
| Mark Slicer | ▲ Buy | Grant | 2,077 | $0 | 3/1/2024 |
| Michael P. Plisinski | ▲ Buy | Grant | 11,943 | $0 | 3/1/2024 |
| Fiordalice Robert | ▲ Buy | Grant | 779 | $0 | 3/1/2024 |
| Yoon Ah OH | ▲ Buy | Grant | 1,883 | $0 | 3/1/2024 |
| BROOKS D MAYSON | ▲ Buy | Grant | 883 | $0 | 3/1/2024 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 463 | $80K | 2/14/2024 |
| Mark Slicer | ▼ Sell | Tax Withholding | 484 | $84K | 2/14/2024 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 3,812 | $660K | 2/14/2024 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 493 | $85K | 2/14/2024 |
| Fiordalice Robert | ▼ Sell | Tax Withholding | 238 | $41K | 2/14/2024 |
| David Brian Miller | ▼ Sell | Open Market | 2,800 | $477K | 2/13/2024 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 1,142 | $206K | 2/10/2024 |
| Srinivas Vedula | ▲ Buy | Option Exercise | 1,634 | $0 | 2/10/2024 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 3,071 | $553K | 2/10/2024 |
| Michael P. Plisinski | ▲ Buy | Option Exercise | 19,050 | $0 | 2/10/2024 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 9,211 | $1.7M | 2/10/2024 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 1,395 | $251K | 2/10/2024 |
| Yoon Ah OH | ▲ Buy | Option Exercise | 2,722 | $0 | 2/10/2024 |
| Fiordalice Robert | ▲ Buy | Option Exercise | 1,742 | $0 | 2/10/2024 |
| Fiordalice Robert | ▼ Sell | Tax Withholding | 755 | $136K | 2/10/2024 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 4,032 | $664K | 2/8/2024 |
| Michael P. Plisinski | ▲ Buy | Option Exercise | 24,834 | $0 | 2/8/2024 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 12,003 | $2.0M | 2/8/2024 |
| Fiordalice Robert | ▼ Sell | Tax Withholding | 648 | $107K | 2/8/2024 |
| Fiordalice Robert | ▲ Buy | Option Exercise | 1,406 | $0 | 2/8/2024 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 795 | $88K | 10/25/2023 |
| Ramil Yaldaei | ▼ Sell | Tax Withholding | 421 | $53K | 10/3/2023 |
| Mark Slicer | ▼ Sell | Open Market | 728 | $90K | 9/15/2023 |
| Mark Slicer | ▼ Sell | Open Market | 601 | $75K | 9/15/2023 |
| Mark Slicer | ▼ Sell | Open Market | 1,507 | $190K | 9/15/2023 |
| Mark Slicer | ▼ Sell | Open Market | 169 | $21K | 9/15/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 1,841 | $228K | 9/15/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 1,200 | $149K | 9/15/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 3,746 | $472K | 9/15/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 100 | $13K | 9/15/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 162 | $21K | 9/15/2023 |
| BROOKS D MAYSON | ▲ Buy | Grant | 2,194 | $0 | 9/1/2023 |
| Srinivas Vedula | ▼ Sell | Open Market | 1,469 | $201K | 9/1/2023 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 191 | $26K | 8/30/2023 |
| Michael P. Plisinski | ▼ Sell | Open Market | 7,002 | $783K | 8/21/2023 |
| Michael P. Plisinski | ▼ Sell | Open Market | 6,763 | $761K | 8/21/2023 |
| Michael P. Plisinski | ▼ Sell | Open Market | 2,653 | $292K | 8/21/2023 |
| Michael P. Plisinski | ▼ Sell | Open Market | 9,696 | $1.1M | 8/21/2023 |
| Michael P. Plisinski | ▼ Sell | Open Market | 4,886 | $559K | 8/21/2023 |
| Jin Ju | ▼ Sell | Open Market | 3,231 | $340K | 6/15/2023 |
| Jin Ju | ▼ Sell | Open Market | 1,232 | $133K | 6/5/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 846 | $93K | 5/26/2023 |
| David Brian Miller | ▼ Sell | Open Market | 3,815 | $381K | 5/23/2023 |
| David Brian Miller | ▼ Sell | Open Market | 1,185 | $118K | 5/23/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 780 | $79K | 5/18/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 768 | $75K | 5/17/2023 |
| Mark Slicer | ▼ Sell | Tax Withholding | 1,269 | $124K | 5/17/2023 |
| Jin Ju | ▼ Sell | Open Market | 1,603 | $152K | 5/16/2023 |
| Fiordalice Robert | ▼ Sell | Open Market | 669 | $62K | 5/15/2023 |
| Yoon Ah OH | ▲ Buy | Grant | 3,746 | $0 | 5/15/2023 |
| Ramil Yaldaei | ▲ Buy | Grant | 5,084 | $0 | 5/15/2023 |
| Christine A. Tsingos | ▲ Buy | Grant | 2,200 | $0 | 5/9/2023 |
| May Su | ▲ Buy | Grant | 2,200 | $0 | 5/9/2023 |
| Christopher A. Seams | ▲ Buy | Grant | 2,200 | $0 | 5/9/2023 |
| ROGGE KAREN M | ▲ Buy | Grant | 2,200 | $0 | 5/9/2023 |
| David Brian Miller | ▲ Buy | Grant | 2,200 | $0 | 5/9/2023 |
| BERLINGHIERI LEO | ▲ Buy | Grant | 2,200 | $0 | 5/9/2023 |
| Stephen Douglas Kelley | ▲ Buy | Grant | 2,200 | $0 | 5/9/2023 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 469 | $38K | 4/8/2023 |
| Srinivas Vedula | ▼ Sell | Tax Withholding | 211 | $19K | 4/1/2023 |
| Srinivas Vedula | ▲ Buy | Grant | 2,738 | $0 | 2/14/2023 |
| Mark Slicer | ▲ Buy | Grant | 4,564 | $0 | 2/14/2023 |
| Michael P. Plisinski | ▲ Buy | Grant | 23,650 | $0 | 2/14/2023 |
| Yoon Ah OH | ▲ Buy | Grant | 3,955 | $0 | 2/14/2023 |
| Stephen Douglas Kelley | ▲ Buy | Grant | 500 | $0 | 2/14/2023 |
| Jin Ju | ▲ Buy | Grant | 2,130 | $0 | 2/14/2023 |
| Harlow James | ▲ Buy | Grant | 2,951 | $0 | 2/14/2023 |
| Fiordalice Robert | ▲ Buy | Grant | 2,191 | $0 | 2/14/2023 |
| Fiordalice Robert | ▼ Sell | Tax Withholding | 189 | $15K | 2/10/2023 |
| Harlow James | ▼ Sell | Tax Withholding | 223 | $18K | 2/10/2023 |
| Yoon Ah OH | ▼ Sell | Tax Withholding | 318 | $26K | 2/10/2023 |
| Michael P. Plisinski | ▼ Sell | Tax Withholding | 3,091 | $250K | 2/10/2023 |
| Fiordalice Robert | ▼ Sell | Tax Withholding | 152 | $13K | 2/8/2023 |
| Fiordalice Robert | ▲ Buy | Option Exercise | 1,408 | $0 | 2/8/2023 |