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 |
2023-09-15 Sale | 2023-09-18 4:36 pm | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 3,005 | $125.14 | $376,040 | 13,111 (Direct) | View |
2023-09-15 Sale | 2023-09-18 4:36 pm | ONTO INNOVATION INC. | ONTO | Fiordalice Robert SVP & GM, Metrology BU | 7,049 | $125.19 | $882,435 | 6,477 (Direct) | View |
2023-09-01 Sale | 2023-09-05 5:23 pm | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 1,469 | $137 | $201,253 | 17,976 (Direct) | View |
2023-08-21 Sale | 2023-08-22 4:37 pm | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 31,000 | $112.85 | $3,498,439 | 251,794 (Direct) | View |
2023-06-15 Sale | 2023-06-16 4:07 pm | ONTO INNOVATION INC. | ONTO | Jin Ju SVP & GM, IBU | 3,231 | $105.17 | $339,804 | 10,254 (Direct) | View |
2023-06-05 Sale | 2023-06-06 5:22 pm | ONTO INNOVATION INC. | ONTO | Jin Ju SVP & GM, IBU | 1,232 | $107.72 | $132,711 | 13,485 (Direct) | View |
2023-05-26 Sale | 2023-05-30 4:57 pm | ONTO INNOVATION INC. | ONTO | Fiordalice Robert SVP, GM MBU | 846 | $109.4 | $92,552 | 13,526 (Direct) | View |
2023-05-23 Sale | 2023-05-25 4:59 pm | ONTO INNOVATION INC. | ONTO | MILLER DAVID BRIAN Director | 5,000 | $99.69 | $498,453 | 11,808 (Direct) | View |
2023-05-18 Sale | 2023-05-22 5:06 pm | ONTO INNOVATION INC. | ONTO | Fiordalice Robert SVP, GM MBU | 780 | $101.25 | $78,975 | 14,372 (Direct) | View |
2023-05-17 Sale | 2023-05-18 5:04 pm | ONTO INNOVATION INC. | ONTO | Fiordalice Robert SVP, GM MBU | 768 | $97.2 | $74,650 | 15,152 (Direct) | View |
2023-05-15 Sale | 2023-05-17 4:29 pm | ONTO INNOVATION INC. | ONTO | Fiordalice Robert SVP, GM MBU | 669 | $93.15 | $62,317 | 15,920 (Direct) | View |
2023-05-16 Sale | 2023-05-17 4:14 pm | ONTO INNOVATION INC. | ONTO | Jin Ju SVP & GM, IBU | 1,603 | $95 | $152,285 | 14,717 (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 |
2023-09-01 Option Award | 2023-09-05 5:23 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | BROOKS D MAYSON Vice President & GM, IBU | 2,194 | $0 | 2,194 (Direct) | View |
2023-08-30 Tax Withholding | 2023-08-31 5:24 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 191 | $136.72 | 19,445 (Direct) | View |
2023-05-17 Tax Withholding | 2023-05-17 6:24 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 1,269 | $97.95 | 16,116 (Direct) | View |
2023-05-15 Option Award | 2023-05-16 6:15 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | OH Yoon Ah VP, General Counsel | 3,746 | $0 | 17,361 (Direct) | View |
2023-05-15 Option Award | 2023-05-16 6:04 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | YALDAEI RAMIL Chief Operating Officer | 5,084 | $0 | 8,738 (Direct) | View |
Ownership(A) | 2023-05-16 6:03 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | YALDAEI RAMIL Chief Operating Officer | 0 | $0 | 3,654 (Direct) | View |
2023-05-09 Option Award | 2023-05-11 4:17 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | TSINGOS CHRISTINE A Director | 2,200 | $0 | 42,109 (Direct) | View |
2023-05-09 Option Award | 2023-05-11 4:16 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Su May Director | 2,200 | $0 | 4,300 (Direct) | View |
2023-05-09 Option Award | 2023-05-11 4:16 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | SEAMS CHRISTOPHER A Director | 2,200 | $0 | 34,829 (Direct) | View |
2023-05-09 Option Award | 2023-05-11 4:16 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | ROGGE KAREN M Director | 2,200 | $0 | 5,150 (Direct) | View |
2023-05-09 Option Award | 2023-05-11 4:16 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | MILLER DAVID BRIAN Director | 2,200 | $0 | 16,808 (Direct) | View |
2023-05-09 Option Award | 2023-05-11 4:16 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | BERLINGHIERI LEO Director | 2,200 | $0 | 19,401 (Direct) | View |
2023-05-09 Option Award | 2023-05-11 4:12 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Kelley Stephen Douglas Director | 2,200 | $0 | 2,700 (Direct) | View |
2023-04-08 Tax Withholding | 2023-04-11 4:23 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 469 | $81.07 | 19,450 (Direct) | View |
2023-04-01 Tax Withholding | 2023-04-04 4:35 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Vedula Srinivas SVP, Customer Success | 211 | $87.88 | 19,919 (Direct) | View |
2023-02-14 Option Award | 2023-02-16 08:32 am | N/A 2025-02-14 | ONTO INNOVATION INC. | ONTO | Vedula Srinivas Senior Vice President, Custome | 5,476 | $0 | 22,868 (Direct) | View |
2023-02-14 Option Award | 2023-02-16 08:32 am | N/A 2025-02-14 | ONTO INNOVATION INC. | ONTO | Slicer Mark Chief Financial Officer | 9,127 | $0 | 21,948 (Direct) | View |
2023-02-14 Option Award | 2023-02-16 08:32 am | N/A 2025-02-14 | ONTO INNOVATION INC. | ONTO | Plisinski Michael P CEO | 47,299 | $0 | 306,443 (Direct) | View |
2023-02-14 Option Award | 2023-02-16 08:31 am | N/A 2025-02-14 | ONTO INNOVATION INC. | ONTO | OH Yoon Ah General Counsel | 7,910 | $0 | 17,570 (Direct) | View |
2023-02-14 Option Award | 2023-02-16 08:31 am | N/A N/A | ONTO INNOVATION INC. | ONTO | Kelley Stephen Douglas Director | 500 | $0 | 500 (Direct) | View |
2023-02-14 Option Award | 2023-02-16 08:31 am | N/A 2025-02-14 | ONTO INNOVATION INC. | ONTO | Jin Ju SVP & General Manager | 4,259 | $0 | 18,449 (Direct) | View |
2023-02-14 Option Award | 2023-02-16 08:30 am | N/A 2025-02-14 | ONTO INNOVATION INC. | ONTO | Harlow James Chief Operating Officer | 5,902 | $0 | 11,537 (Direct) | View |
2023-02-14 Option Award | 2023-02-16 08:30 am | N/A 2025-02-14 | ONTO INNOVATION INC. | ONTO | Fiordalice Robert Sr. Vice President & GM, Metro | 4,381 | $0 | 18,779 (Direct) | View |
2023-02-10 Tax Withholding | 2023-02-13 4:34 pm | N/A N/A | ONTO INNOVATION INC. | ONTO | Fiordalice Robert Sr. Vice President & GM, Metro | 189 | $80.9 | 14,398 (Direct) | View |