Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-02-13 Sale | 2025-02-18 4:13 pm | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 238 | $169.58 | $40,360 | 15,472 (Direct) | View |
2025-01-21 Sale | 2025-01-22 4:25 pm | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 35,000 | $219.19 | $7,671,650 | 150,492 (Direct) | View |
2025-01-16 Sale | 2025-01-21 4:21 pm | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 30,000 | $211.24 | $6,337,287 | 185,492 (Direct) | View |
2025-01-15 Sale | 2025-01-16 4:07 pm | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 827 | $205 | $169,535 | 15,223 (Direct) | View |
2025-01-14 Sale | 2025-01-16 4:06 pm | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 20,000 | $200.19 | $4,003,826 | 215,492 (Direct) | View |
2024-11-15 Sale | 2024-11-18 4:15 pm | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 1,100 | $160.41 | $176,451 | 10,933 (Direct) | View |
2024-09-03 Sale | 2024-09-04 4:18 pm | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 1,275 | $207.24 | $264,231 | 16,050 (Direct) | View |
2024-06-10 Sale | 2024-06-11 4:02 pm | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 1,486 | $213.4 | $317,112 | 17,433 (Direct) | View |
2024-06-06 Sale | 2024-06-10 4:09 pm | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 1,038 | $219.19 | $227,519 | 12,033 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-03-03 Option Award | 2025-03-05 4:13 pm | N/A 2027-03-03 | ONTO INNOVATION INC. | ONTO | YALDAEI RAMIL Chief Operating Officer | 7,537 | $0 | 16,385 (Direct) | View |
2025-03-03 Option Award | 2025-03-05 4:13 pm | N/A 2027-03-03 | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 5,147 | $0 | 21,303 (Direct) | View |
2025-03-03 Option Award | 2025-03-05 4:12 pm | N/A 2027-03-03 | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 5,882 | $0 | 18,647 (Direct) | View |
2025-03-03 Option Award | 2025-03-05 4:12 pm | N/A 2027-03-03 | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 46,424 | $0 | 210,373 (Direct) | View |
2025-03-03 Option Award | 2025-03-05 4:12 pm | N/A 2027-03-03 | ONTO INNOVATION INC. | ONTO | OH Yoon Ah SVP, Gen Counsel & Corp Sec | 5,882 | $0 | 21,554 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-03 4:14 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | YALDAEI RAMIL Chief Operating Officer | 305 | $145.66 | 8,848 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-03 4:13 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 199 | $145.66 | 16,156 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-03 4:13 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 336 | $145.66 | 12,765 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-03 4:13 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 1,925 | $145.66 | 163,949 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-03 4:13 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | OH Yoon Ah SVP, Gen Counsel & Corp Sec | 304 | $145.66 | 15,672 (Direct) | View |
2025-02-14 Tax Withholding | 2025-02-19 5:43 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | OH Yoon Ah VP, General Counsel & Corp Sec | 2,323 | $176.55 | 15,976 (Direct) | View |
2025-02-14 Exercise | 2025-02-19 5:43 pm | 2025-02-14 2025-02-14 | ONTO INNOVATION INC. | ONTO | OH Yoon Ah VP, General Counsel & Corp Sec | 5,934 | $0 | 15,976 (Direct) | View |
2025-02-14 Tax Withholding | 2025-02-19 5:43 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 15,247 | $176.55 | 165,874 (Direct) | View |
2025-02-14 Exercise | 2025-02-19 5:43 pm | 2025-02-14 2025-02-14 | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 35,475 | $0 | 165,874 (Direct) | View |
2025-02-14 Tax Withholding | 2025-02-19 5:43 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 2,396 | $176.55 | 13,101 (Direct) | View |
2025-02-14 Exercise | 2025-02-19 5:43 pm | 2025-02-14 2025-02-14 | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 6,846 | $0 | 13,101 (Direct) | View |
2025-02-14 Tax Withholding | 2025-02-19 5:42 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 1,855 | $176.55 | 16,355 (Direct) | View |
2025-02-14 Exercise | 2025-02-19 5:42 pm | 2025-02-14 2025-02-14 | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 4,107 | $0 | 16,355 (Direct) | View |
2025-02-10 Tax Withholding | 2025-02-12 5:13 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 1,145 | $183.28 | 15,710 (Direct) | View |
2025-02-10 Exercise | 2025-02-12 5:13 pm | 2025-02-10 2025-02-10 | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 2,448 | $0 | 15,710 (Direct) | View |
2025-02-10 Tax Withholding | 2025-02-12 5:13 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | OH Yoon Ah VP, General Counsel & Corp Sec | 1,391 | $183.28 | 14,343 (Direct) | View |
2025-02-10 Exercise | 2025-02-12 5:13 pm | 2025-02-10 2025-02-10 | ONTO INNOVATION INC. | ONTO | OH Yoon Ah VP, General Counsel & Corp Sec | 4,080 | $0 | 14,343 (Direct) | View |
2025-02-10 Tax Withholding | 2025-02-12 5:13 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 12,069 | $183.28 | 157,471 (Direct) | View |
2025-02-10 Exercise | 2025-02-12 5:13 pm | 2025-02-10 2025-02-10 | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 28,572 | $0 | 157,471 (Direct) | View |
2024-10-25 Tax Withholding | 2024-10-28 4:27 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | OH Yoon Ah General Counsel | 1,296 | $204.39 | 13,014 (Direct) | View |
2024-10-03 Tax Withholding | 2024-10-04 4:25 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | YALDAEI RAMIL Chief Operating Officer | 592 | $206.55 | 9,148 (Direct) | View |
2024-09-01 Tax Withholding | 2024-09-04 4:18 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | BROOKS D MAYSON Vice President & GM, IBU | 224 | $213.22 | 3,025 (Direct) | View |
2024-08-30 Tax Withholding | 2024-09-04 4:18 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 280 | $213.22 | 16,050 (Direct) | View |
2024-08-20 Option Award | 2024-08-22 4:30 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | SCHWARTZ STEPHEN S Director | 661 | $0 | 661 (Direct) | View |
2024-05-22 Option Award | 2024-05-23 4:28 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | TSINGOS CHRISTINE A Director | 809 | $0 | 42,918 (Direct) | View |
2024-05-22 Option Award | 2024-05-23 4:27 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Su May Director | 809 | $0 | 5,109 (Direct) | View |
2024-05-22 Option Award | 2024-05-23 4:27 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | SEAMS CHRISTOPHER A Director | 809 | $0 | 35,638 (Direct) | View |
2024-05-22 Option Award | 2024-05-23 4:27 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | MILLER DAVID BRIAN Director | 809 | $0 | 9,817 (Direct) | View |
2024-05-22 Option Award | 2024-05-23 4:27 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Lynch Susan D Director | 809 | $0 | 809 (Direct) | View |