ONTO Insider Transactions
693 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
ONTO insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| Vedula Srinivas | SVP, Customer Success | 2025-02-13 | Sale | 238.0 | $169.58 |
|---|
| Plisinski Michael P | CEO | 2025-01-21 | Sale | 35,000.0 | $219.19 |
|---|
| Plisinski Michael P | CEO | 2025-01-16 | Sale | 100.0 | $212.11 |
|---|
| Plisinski Michael P | CEO | 2025-01-16 | Sale | 29,900.0 | $211.24 |
|---|
| Vedula Srinivas | SVP, Customer Success | 2025-01-15 | Sale | 827.0 | $205.0 |
|---|
| Plisinski Michael P | CEO | 2025-01-14 | Sale | 1,732.0 | $201.26 |
|---|
| Plisinski Michael P | CEO | 2025-01-14 | Sale | 18,268.0 | $200.09 |
|---|
| Slicer Mark | Chief Financial Officer | 2024-11-15 | Sale | 1,100.0 | $160.41 |
|---|
| Vedula Srinivas | SVP, Customer Success | 2024-09-03 | Sale | 1,275.0 | $207.24 |
|---|
| Vedula Srinivas | SVP, Customer Success | 2024-06-10 | Sale | 1,486.0 | $213.4 |
|---|
| Slicer Mark | Chief Financial Officer | 2024-06-07 | Sale | 519.0 | $217.17 |
|---|
| Slicer Mark | Chief Financial Officer | 2024-06-06 | Sale | 519.0 | $221.21 |
|---|
| Plisinski Michael P | CEO | 2024-03-20 | Sale | 2,914.0 | $178.16 |
|---|
| Plisinski Michael P | CEO | 2024-03-20 | Sale | 1,816.0 | $177.04 |
|---|
| Plisinski Michael P | CEO | 2024-03-20 | Sale | 22,596.0 | $176.0 |
|---|
| Plisinski Michael P | CEO | 2024-03-20 | Sale | 2,060.0 | $174.79 |
|---|
| Plisinski Michael P | CEO | 2024-03-20 | Sale | 6,270.0 | $173.96 |
|---|
| Plisinski Michael P | CEO | 2024-03-20 | Sale | 4,344.0 | $172.83 |
|---|
| OH Yoon Ah | VP, General Counsel & Corp Sec | 2024-03-18 | Sale | 1,685.0 | $180.0 |
|---|
| OH Yoon Ah | VP, General Counsel & Corp Sec | 2024-03-15 | Sale | 2,685.0 | $173.96 |
|---|
| MILLER DAVID BRIAN | Director | 2024-02-13 | Sale | 2,800.0 | $170.49 |
|---|
| Slicer Mark | Chief Financial Officer | 2023-09-15 | Sale | 169.0 | $127.03 |
|---|
| Slicer Mark | Chief Financial Officer | 2023-09-15 | Sale | 1,507.0 | $125.98 |
|---|
| Slicer Mark | Chief Financial Officer | 2023-09-15 | Sale | 601.0 | $124.31 |
|---|
| Slicer Mark | Chief Financial Officer | 2023-09-15 | Sale | 728.0 | $123.64 |
|---|
| Fiordalice Robert | SVP & GM, Metrology BU | 2023-09-15 | Sale | 162.0 | $127.62 |
|---|
| Fiordalice Robert | SVP & GM, Metrology BU | 2023-09-15 | Sale | 100.0 | $126.56 |
|---|
| Fiordalice Robert | SVP & GM, Metrology BU | 2023-09-15 | Sale | 3,746.0 | $126.02 |
|---|
| Fiordalice Robert | SVP & GM, Metrology BU | 2023-09-15 | Sale | 1,200.0 | $124.48 |
|---|
| Fiordalice Robert | SVP & GM, Metrology BU | 2023-09-15 | Sale | 1,841.0 | $123.66 |
|---|
| Vedula Srinivas | SVP, Customer Success | 2023-09-01 | Sale | 1,469.0 | $137.0 |
|---|
| Plisinski Michael P | CEO | 2023-08-21 | Sale | 4,886.0 | $114.44 |
|---|
| Plisinski Michael P | CEO | 2023-08-21 | Sale | 9,696.0 | $113.76 |
|---|
| Plisinski Michael P | CEO | 2023-08-21 | Sale | 6,763.0 | $112.49 |
|---|
| Plisinski Michael P | CEO | 2023-08-21 | Sale | 7,002.0 | $111.86 |
|---|
| Plisinski Michael P | CEO | 2023-08-21 | Sale | 2,653.0 | $110.16 |
|---|
| Jin Ju | SVP & GM, IBU | 2023-06-15 | Sale | 3,231.0 | $105.17 |
|---|
| Jin Ju | SVP & GM, IBU | 2023-06-05 | Sale | 1,232.0 | $107.72 |
|---|
| Fiordalice Robert | SVP, GM MBU | 2023-05-26 | Sale | 846.0 | $109.4 |
|---|
| MILLER DAVID BRIAN | Director | 2023-05-23 | Sale | 1,185.0 | $99.21 |
|---|
| MILLER DAVID BRIAN | Director | 2023-05-23 | Sale | 3,815.0 | $99.84 |
|---|
| Fiordalice Robert | SVP, GM MBU | 2023-05-18 | Sale | 780.0 | $101.25 |
|---|
| Fiordalice Robert | SVP, GM MBU | 2023-05-17 | Sale | 768.0 | $97.2 |
|---|
| Jin Ju | SVP & GM, IBU | 2023-05-16 | Sale | 1,603.0 | $95.0 |
|---|
| Fiordalice Robert | SVP, GM MBU | 2023-05-15 | Sale | 669.0 | $93.15 |
|---|
| Fiordalice Robert | Sr. Vice President & GM, MBU | 2022-08-05 | Sale | 662.0 | $89.1 |
|---|
| Rhine Bruce C | Director | 2022-02-15 | Sale | 15,360.0 | $90.75 |
|---|
| Rhine Bruce C | Director | 2022-02-15 | Sale | 33,523.0 | $89.6 |
|---|
| Rhine Bruce C | Director | 2022-02-15 | Sale | 12,172.0 | $89.03 |
|---|
| ROTH STEVEN R | Sr VP & CFO | 2022-01-14 | Sale | 5,000.0 | $105.0 |
|---|
| Rhine Bruce C | Director | 2021-12-08 | Sale | 22,633.0 | $98.12 |
|---|
| MILLER DAVID BRIAN | Director | 2021-12-07 | Sale | 5,500.0 | $97.41 |
|---|
| Vedula Srinivas | Other | 2021-11-19 | Sale | 6,225.0 | $90.31 |
|---|
| ROTH STEVEN R | Sr VP & CFO | 2021-11-03 | Sale | 5,000.0 | $83.0 |
|---|
| Rhine Bruce C | Director | 2021-11-01 | Sale | 50,000.0 | $80.36 |
|---|
| BERLINGHIERI LEO | Director | 2021-11-01 | Sale | 5,275.0 | $80.48 |
|---|
| Plisinski Michael P | Chief Executive Officer | 2021-08-06 | Sale | 29,592.0 | $75.34 |
|---|
| Plisinski Michael P | Chief Executive Officer | 2021-06-16 | Sale | 1,700.0 | $75.24 |
|---|
| Plisinski Michael P | Chief Executive Officer | 2021-06-15 | Sale | 1,800.0 | $75.25 |
|---|
| Rhine Bruce C | Director | 2021-06-15 | Sale | 4,296.0 | $75.16 |
|---|
| Plisinski Michael P | Chief Executive Officer | 2021-06-14 | Sale | 6,908.0 | $75.3 |
|---|
| Heidrich Kevin | Other | 2021-06-14 | Sale | 6,474.0 | $74.8 |
|---|
| Heidrich Kevin | Other | 2021-06-14 | Sale | 243.0 | $75.01 |
|---|
| Heidrich Kevin | Other | 2021-06-14 | Sale | 11,099.0 | $75.05 |
|---|
| Rhine Bruce C | Director | 2021-06-14 | Sale | 45,303.0 | $75.1 |
|---|
| Rhine Bruce C | Director | 2021-06-11 | Sale | 401.0 | $75.0 |
|---|
| Rhine Bruce C | Director | 2021-05-24 | Sale | 30,000.0 | $65.52 |
|---|
| Rhine Bruce C | Director | 2021-04-13 | Sale | 800.0 | $71.39 |
|---|
| Rhine Bruce C | Director | 2021-04-13 | Sale | 16,511.0 | $70.19 |
|---|
| Rhine Bruce C | Director | 2021-04-12 | Sale | 21,110.0 | $71.24 |
|---|
| Rhine Bruce C | Director | 2021-04-12 | Sale | 11,579.0 | $70.58 |
|---|
| ROTH STEVEN R | Senior Vice President & CFO | 2021-04-05 | Sale | 15,000.0 | $70.0 |
|---|
| Rhine Bruce C | Director | 2021-02-11 | Sale | 3,703.0 | $61.6 |
|---|
| Rhine Bruce C | Director | 2021-02-11 | Sale | 141,631.0 | $60.79 |
|---|
| Rhine Bruce C | Director | 2021-02-10 | Sale | 12,244.0 | $59.34 |
|---|
| Rhine Bruce C | Director | 2021-02-10 | Sale | 655.0 | $60.3 |
|---|
| Rhine Bruce C | Director | 2021-02-09 | Sale | 7,091.0 | $60.23 |
|---|
| Rhine Bruce C | Director | 2021-02-09 | Sale | 34,676.0 | $59.26 |
|---|
| ROTH STEVEN R | Senior Vice President & CFO | 2021-01-11 | Sale | 10,000.0 | $50.64 |
|---|
| KOCH ROBERT ALAN | VP & General Counsel | 2020-12-14 | Sale | 6,270.0 | $47.05 |
|---|
| KOCH ROBERT ALAN | VP & General Counsel | 2020-12-14 | Sale | 8,730.0 | $46.3 |
|---|
| Rhine Bruce C | Director | 2020-11-27 | Sale | 2,500.0 | $45.0 |
|---|
| Rhine Bruce C | Director | 2020-11-24 | Sale | 5,579.0 | $45.01 |
|---|
| Heidrich Kevin | Other | 2020-11-13 | Sale | 498.0 | $40.55 |
|---|
| Heidrich Kevin | Other | 2020-11-11 | Sale | 508.0 | $40.4 |
|---|
| ROTH STEVEN R | Senior Vice President & CFO | 2020-11-09 | Sale | 5,000.0 | $40.0 |
|---|
| Rhine Bruce C | Director | 2020-11-05 | Sale | 11,332.0 | $37.52 |
|---|
| Rhine Bruce C | Director | 2020-11-05 | Sale | 88,668.0 | $37.07 |
|---|
| Plisinski Michael P | Chief Executive Officer | 2020-11-04 | Sale | 24,821.0 | $35.34 |
|---|
| Plisinski Michael P | Chief Executive Officer | 2020-11-03 | Sale | 100.0 | $36.08 |
|---|
| Plisinski Michael P | Chief Executive Officer | 2020-11-03 | Sale | 45,079.0 | $35.22 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 300.0 | $36.5 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 100.0 | $36.49 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 200.0 | $36.48 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 200.0 | $36.45 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 400.0 | $36.37 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 80.0 | $36.34 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 100.0 | $36.33 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 100.0 | $36.32 |
|---|
| Kocher Rollin | Other | 2020-08-07 | Sale | 400.0 | $36.29 |
|---|