ONTO Insider Trading
ONTO INNOVATION INC. | Measuring & Controlling Devices, NEC
Comprehensive Trading Performance Summary
The investment history of corporate insiders at ONTO INNOVATION INC. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Measuring & Controlling Devices, NEC sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2025-02-19 00:13 | 2025-02-13 | Vedula Srinivas | Officer - SVP, Customer Success | SELL | $169.58 | 238 | $40,360 | 15,472 | -1.5% |
| 2025-01-23 00:25 | 2025-01-21 | Plisinski Michael P | Director, Officer - CEO | SELL | $219.19 | 35,000 | $7,671,650 | 150,492 | -18.9% |
| 2025-01-22 00:21 | 2025-01-16 | Plisinski Michael P | Director, Officer - CEO | SELL | $211.24 | 30,000 | $6,337,287 | 185,492 | -13.9% |
| 2025-01-17 00:07 | 2025-01-15 | Vedula Srinivas | Officer - SVP, Customer Success | SELL | $205.00 | 827 | $169,535 | 15,223 | -5.2% |
| 2025-01-17 00:06 | 2025-01-14 | Plisinski Michael P | Director, Officer - CEO | SELL | $200.19 | 20,000 | $4,003,826 | 215,492 | -8.5% |
| 2024-11-19 00:15 | 2024-11-15 | Slicer Mark | Officer - Chief Financial Officer | SELL | $160.41 | 1,100 | $176,451 | 10,933 | -9.1% |
| 2024-09-04 23:18 | 2024-09-03 | Vedula Srinivas | Officer - SVP, Customer Success | SELL | $207.24 | 1,275 | $264,231 | 16,050 | -7.4% |
| 2024-06-11 23:02 | 2024-06-10 | Vedula Srinivas | Officer - SVP, Customer Success | SELL | $213.40 | 1,486 | $317,112 | 17,433 | -7.9% |
| 2024-06-10 23:09 | 2024-06-06 | Slicer Mark | Officer - Chief Financial Officer | SELL | $219.19 | 1,038 | $227,519 | 12,033 | -7.9% |
| 2024-03-22 23:42 | 2024-03-20 | Plisinski Michael P | Director, Officer - CEO | SELL | $175.48 | 40,000 | $7,019,128 | 235,492 | -14.5% |
| 2024-03-18 23:21 | 2024-03-15 | OH Yoon Ah | Officer - VP, General Counsel & Corp Sec | SELL | $176.29 | 4,370 | $770,382 | 14,913 | -22.7% |
| 2024-02-14 02:01 | 2024-02-13 | MILLER DAVID BRIAN | Director | SELL | $170.49 | 2,800 | $477,372 | 9,008 | -23.7% |
| 2023-09-18 23:36 | 2023-09-15 | Slicer Mark | Officer - Chief Financial Officer | SELL | $125.14 | 3,005 | $376,040 | 13,111 | -18.6% |
| 2023-09-18 23:36 | 2023-09-15 | Fiordalice Robert | Officer - SVP & GM, Metrology BU | SELL | $125.19 | 7,049 | $882,435 | 6,477 | -52.1% |
| 2023-09-06 00:23 | 2023-09-01 | Vedula Srinivas | Officer - SVP, Customer Success | SELL | $137.00 | 1,469 | $201,253 | 17,976 | -7.6% |
| 2023-08-22 23:37 | 2023-08-21 | Plisinski Michael P | Director, Officer - CEO | SELL | $112.85 | 31,000 | $3,498,440 | 251,794 | -11.0% |
| 2023-06-16 23:07 | 2023-06-15 | Jin Ju | Officer - SVP & GM, IBU | SELL | $105.17 | 3,231 | $339,804 | 10,254 | -24.0% |
| 2023-06-07 00:22 | 2023-06-05 | Jin Ju | Officer - SVP & GM, IBU | SELL | $107.72 | 1,232 | $132,711 | 13,485 | -8.4% |
| 2023-05-30 23:57 | 2023-05-26 | Fiordalice Robert | Officer - SVP, GM MBU | SELL | $109.40 | 846 | $92,552 | 13,526 | -5.9% |
| 2023-05-25 23:59 | 2023-05-23 | MILLER DAVID BRIAN | Director | SELL | $99.69 | 5,000 | $498,454 | 11,808 | -29.7% |
| 2023-05-23 00:06 | 2023-05-18 | Fiordalice Robert | Officer - SVP, GM MBU | SELL | $101.25 | 780 | $78,975 | 14,372 | -5.1% |
| 2023-05-19 00:04 | 2023-05-17 | Fiordalice Robert | Officer - SVP, GM MBU | SELL | $97.20 | 768 | $74,650 | 15,152 | -4.8% |
| 2023-05-17 23:29 | 2023-05-15 | Fiordalice Robert | Officer - SVP, GM MBU | SELL | $93.15 | 669 | $62,317 | 15,920 | -4.0% |
| 2023-05-17 23:14 | 2023-05-16 | Jin Ju | Officer - SVP & GM, IBU | SELL | $95.00 | 1,603 | $152,285 | 14,717 | -9.8% |
| 2022-08-10 00:19 | 2022-08-05 | Fiordalice Robert | Officer - Sr. Vice President & GM, MBU | SELL | $89.10 | 662 | $58,984 | 12,900 | -4.9% |
| 2022-02-18 00:32 | 2022-02-15 | Rhine Bruce C | Director | SELL | $89.78 | 61,055 | $5,481,255 | 3,500 | -94.6% |
| 2022-01-19 01:34 | 2022-01-14 | ROTH STEVEN R | Officer - Sr VP & CFO | SELL | $105.00 | 5,000 | $525,000 | 18,803 | -21.0% |
| 2021-12-10 21:21 | 2021-12-08 | Rhine Bruce C | Director | SELL | $98.12 | 22,633 | $2,220,750 | 65,905 | -25.6% |
| 2021-12-10 00:07 | 2021-12-07 | MILLER DAVID BRIAN | Director | SELL | $97.41 | 5,500 | $535,755 | 12,508 | -30.5% |
| 2021-11-23 17:27 | 2021-11-19 | Vedula Srinivas | Other | SELL | $90.31 | 6,225 | $562,180 | 15,852 | -28.2% |
| 2021-11-04 00:14 | 2021-11-03 | ROTH STEVEN R | Officer - Sr VP & CFO | SELL | $83.00 | 5,000 | $415,000 | 23,803 | -17.4% |
| 2021-11-04 00:12 | 2021-11-01 | Rhine Bruce C | Director | SELL | $80.36 | 50,000 | $4,018,000 | 88,538 | -36.1% |
| 2021-11-04 00:10 | 2021-11-01 | BERLINGHIERI LEO | Director | SELL | $80.48 | 5,275 | $424,532 | 15,101 | -25.9% |
| 2021-08-10 19:04 | 2021-08-06 | Plisinski Michael P | Director, Officer - Chief Executive Officer | SELL | $75.34 | 29,592 | $2,229,461 | 217,643 | -12.0% |
| 2021-06-17 18:59 | 2021-06-15 | Plisinski Michael P | Director, Officer - Chief Executive Officer | SELL | $75.25 | 3,500 | $263,358 | 247,235 | -1.4% |
| 2021-06-17 18:56 | 2021-06-15 | Rhine Bruce C | Director | SELL | $75.16 | 4,296 | $322,887 | 138,538 | -3.0% |
| 2021-06-15 17:30 | 2021-06-14 | Plisinski Michael P | Director, Officer - Chief Executive Officer | SELL | $75.30 | 6,908 | $520,172 | 250,735 | -2.7% |
| 2021-06-15 17:28 | 2021-06-14 | Heidrich Kevin | Other | SELL | $74.96 | 17,816 | $1,335,462 | 20,470 | -46.5% |
| 2021-06-15 17:26 | 2021-06-11 | Rhine Bruce C | Director | SELL | $75.10 | 45,704 | $3,432,329 | 142,834 | -24.2% |
| 2021-05-26 21:44 | 2021-05-24 | Rhine Bruce C | Director | SELL | $65.52 | 30,000 | $1,965,600 | 0 | -100.0% |
| 2021-04-14 23:31 | 2021-04-12 | Rhine Bruce C | Director | SELL | $70.74 | 50,000 | $3,537,140 | 186,038 | -21.2% |
| 2021-04-07 03:43 | 2021-04-05 | ROTH STEVEN R | Officer - Senior Vice President & CFO | SELL | $70.00 | 15,000 | $1,050,000 | 28,803 | -34.2% |
| 2021-02-13 02:27 | 2021-02-11 | Rhine Bruce C | Director | SELL | $60.81 | 145,334 | $8,837,848 | 281,038 | -34.1% |
| 2021-02-12 01:19 | 2021-02-09 | Rhine Bruce C | Director | SELL | $59.42 | 54,666 | $3,248,046 | 426,372 | -11.4% |
| 2021-01-14 00:36 | 2021-01-11 | ROTH STEVEN R | Officer - Senior Vice President & CFO | SELL | $50.64 | 10,000 | $506,400 | 41,984 | -19.2% |
| 2020-12-17 00:51 | 2020-12-14 | KOCH ROBERT ALAN | Officer - VP & General Counsel | SELL | $46.61 | 15,000 | $699,203 | 35,025 | -30.0% |
| 2020-12-02 01:15 | 2020-11-27 | Rhine Bruce C | Director | SELL | $45.00 | 2,500 | $112,500 | 482,138 | -0.5% |
| 2020-11-26 00:48 | 2020-11-24 | Rhine Bruce C | Director | SELL | $45.01 | 5,579 | $251,111 | 484,638 | -1.1% |
| 2020-11-17 00:23 | 2020-11-13 | Heidrich Kevin | Other | SELL | $40.55 | 498 | $20,194 | 39,394 | -1.2% |
| 2020-11-13 19:05 | 2020-11-11 | Heidrich Kevin | Other | SELL | $40.40 | 508 | $20,523 | 39,892 | -1.3% |
How to Interpret $ONTO Trades
Not every insider transaction in ONTO INNOVATION INC. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $ONTO shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for ONTO
Insider activity data for ONTO INNOVATION INC. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $ONTO, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.