ONTO
Onto Innovation Inc.$201.77+0.48 (+0.24%)Prev Close$201.57·MCap$10.89B·P/E97.52·Vol178.0K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
4
$3.98M
◆
Net Activity
Net Seller
$3.98M
●
Active Insiders
4
last 12 mo
Over the past 12 months, insider activity at Onto Innovation Inc. (ONTO) has been exclusively selling, with 0 insider purchases totaling $0.00 and 4 insider sales totaling $3.98M. The most recent insider transaction was by MILLER DAVID BRIAN (director), who sold $600.0K worth of shares on Oct 1, 2026. Onto Innovation Inc. operates in the Technology sector, within the Semiconductors industry, with a market cap of $10.89B.
ONTO Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | MILLER DAVID BRIAN | director | Sell | 2,000 | $300.00 | $600.0K | 10,692 |
| Aug 25, 2026 | Lynch Susan D | director | Sell | 1,000 | $302.30 | $302.3K | 2,684-27% |
| Feb 14, 2026 | OH Yoon Ah | SVP, Gen Counsel & Corp Sec | Sell | 1,595 | $217.23 | $346.5K | 0 |
| Feb 14, 2026 | Plisinski Michael P | Chief Executive Officer | Sell | 12,551 | $217.23 | $2.73M | 0 |
| Feb 18, 2025 | Vedula Srinivas | SVP, Customer Success | Sell | 238 | $169.58 | $40.4K | 15,472 |
| Jan 22, 2025 | Plisinski Michael P | CEO | Sell | 35,000 | $219.19 | $7.67M | 150,492 |
| Jan 21, 2025 | Plisinski Michael P | CEO | Sell | 30,000 | $211.24 | $6.34M | 185,592 |
| Jan 16, 2025 | Plisinski Michael P | CEO | Sell | 20,000 | $200.19 | $4.00M | 217,224 |
| Jan 16, 2025 | Vedula Srinivas | SVP, Customer Success | Sell | 827 | $205.00 | $169.5K | 15,223 |
| Nov 18, 2024 | Slicer Mark | Chief Financial Officer | Sell | 1,100 | $160.41 | $176.5K | 10,933 |
| Sep 4, 2024 | Vedula Srinivas | SVP, Customer Success | Sell | 1,275 | $207.24 | $264.2K | 16,050 |
| Jun 11, 2024 | Vedula Srinivas | SVP, Customer Success | Sell | 1,486 | $213.40 | $317.1K | 17,433 |
| Jun 10, 2024 | Slicer Mark | Chief Financial Officer | Sell | 1,038 | $219.19 | $227.5K | 12,552 |
| Mar 22, 2024 | Plisinski Michael P | CEO | Sell | 40,000 | $175.48 | $7.02M | 271,148 |
| Mar 18, 2024 | OH Yoon Ah | VP, General Counsel & Corp Sec | Sell | 4,370 | $176.29 | $770.4K | 16,598 |
| Feb 13, 2024 | MILLER DAVID BRIAN | Director | Sell | 2,800 | $170.49 | $477.4K | 9,008 |
| Sep 18, 2023 | Fiordalice Robert | SVP & GM, Metrology BU | Sell | 7,049 | $125.19 | $882.4K | 11,685-38% |
| Sep 18, 2023 | Slicer Mark | Chief Financial Officer | Sell | 3,005 | $125.14 | $376.0K | 15,388 |
| Sep 5, 2023 | Vedula Srinivas | SVP, Customer Success | Sell | 1,469 | $137.00 | $201.3K | 17,976 |
| Aug 22, 2023 | Plisinski Michael P | CEO | Sell | 31,000 | $112.85 | $3.50M | 280,141 |
| Jun 16, 2023 | Jin Ju | SVP & GM, IBU | Sell | 3,231 | $105.17 | $339.8K | 10,254 |
| Jun 6, 2023 | Jin Ju | SVP & GM, IBU | Sell | 1,232 | $107.72 | $132.7K | 13,485 |
| May 30, 2023 | Fiordalice Robert | SVP, GM MBU | Sell | 846 | $109.40 | $92.6K | 13,526 |
| May 25, 2023 | MILLER DAVID BRIAN | Director | Sell | 5,000 | $99.69 | $498.5K | 12,993-28% |
| May 22, 2023 | Fiordalice Robert | SVP, GM MBU | Sell | 780 | $101.25 | $79.0K | 14,372 |
| May 18, 2023 | Fiordalice Robert | SVP, GM MBU | Sell | 768 | $97.20 | $74.6K | 15,152 |
| May 17, 2023 | Fiordalice Robert | SVP, GM MBU | Sell | 669 | $93.15 | $62.3K | 15,920 |
| May 17, 2023 | Jin Ju | SVP & GM, IBU | Sell | 1,603 | $95.00 | $152.3K | 14,717 |
| Aug 9, 2022 | Fiordalice Robert | Sr. Vice President & GM, MBU | Sell | 662 | $89.10 | $59.0K | 12,900 |
| Feb 17, 2022 | Rhine Bruce C | Director | Sell | 61,055 | $89.78 | $5.48M | 52,383-54% |
| Jan 18, 2022 | ROTH STEVEN R | Sr VP & CFO | Sell | 5,000 | $105.00 | $525.0K | 18,803 |
| Dec 10, 2021 | Rhine Bruce C | Director | Sell | 22,633 | $98.12 | $2.22M | 65,905-26% |
| Dec 9, 2021 | MILLER DAVID BRIAN | Director | Sell | 5,500 | $97.41 | $535.8K | 12,508-31% |
| Nov 23, 2021 | Vedula Srinivas | Sell | 6,225 | $90.31 | $562.2K | 15,852-28% | |
| Nov 3, 2021 | BERLINGHIERI LEO | Director | Sell | 5,275 | $80.48 | $424.5K | 15,101-26% |
| Nov 3, 2021 | Rhine Bruce C | Director | Sell | 50,000 | $80.36 | $4.02M | 88,538-36% |
| Nov 3, 2021 | ROTH STEVEN R | Sr VP & CFO | Sell | 5,000 | $83.00 | $415.0K | 23,803 |
| Aug 10, 2021 | Plisinski Michael P | Chief Executive Officer | Sell | 29,592 | $75.34 | $2.23M | 217,643 |
| Jun 17, 2021 | Plisinski Michael P | Chief Executive Officer | Sell | 3,500 | $75.25 | $263.4K | 248,935 |
| Jun 17, 2021 | Rhine Bruce C | Director | Sell | 4,296 | $75.16 | $322.9K | 138,538 |
| Jun 15, 2021 | Heidrich Kevin | Sell | 17,816 | $74.96 | $1.34M | 27,187-40% | |
| Jun 15, 2021 | Plisinski Michael P | Chief Executive Officer | Sell | 6,908 | $75.30 | $520.2K | 250,735 |
| Jun 15, 2021 | Rhine Bruce C | Director | Sell | 45,704 | $75.10 | $3.43M | 188,137 |
| May 26, 2021 | Rhine Bruce C | Director | Sell | 30,000 | $65.52 | $1.97M | 0Exit |
| Apr 14, 2021 | Rhine Bruce C | Director | Sell | 50,000 | $70.74 | $3.54M | 224,459 |
| Apr 6, 2021 | ROTH STEVEN R | Senior Vice President & CFO | Sell | 15,000 | $70.00 | $1.05M | 28,803-34% |
ONTO Insider Buying Activity
The following table shows recent insider purchases of Onto Innovation Inc. (ONTO) stock reported via SEC Form 4 filings.
No insider buying activity found for ONTO in the last 12 months.
ONTO Insider Selling Activity
The following table shows recent insider sales of Onto Innovation Inc. (ONTO) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | MILLER DAVID BRIAN | director | Sell | 2,000 | $300.00 | $600.0K | 10,692 |
| Aug 25, 2026 | Lynch Susan D | director | Sell | 1,000 | $302.30 | $302.3K | 2,684-27% |
| Feb 14, 2026 | OH Yoon Ah | SVP, Gen Counsel & Corp Sec | Sell | 1,595 | $217.23 | $346.5K | 0 |
| Feb 14, 2026 | Plisinski Michael P | Chief Executive Officer | Sell | 12,551 | $217.23 | $2.73M | 0 |
| Feb 18, 2025 | Vedula Srinivas | SVP, Customer Success | Sell | 238 | $169.58 | $40.4K | 15,472 |
| Jan 22, 2025 | Plisinski Michael P | CEO | Sell | 35,000 | $219.19 | $7.67M | 150,492 |
| Jan 21, 2025 | Plisinski Michael P | CEO | Sell | 30,000 | $211.24 | $6.34M | 185,592 |
| Jan 16, 2025 | Plisinski Michael P | CEO | Sell | 20,000 | $200.19 | $4.00M | 217,224 |
| Jan 16, 2025 | Vedula Srinivas | SVP, Customer Success | Sell | 827 | $205.00 | $169.5K | 15,223 |
| Nov 18, 2024 | Slicer Mark | Chief Financial Officer | Sell | 1,100 | $160.41 | $176.5K | 10,933 |
| Sep 4, 2024 | Vedula Srinivas | SVP, Customer Success | Sell | 1,275 | $207.24 | $264.2K | 16,050 |
| Jun 11, 2024 | Vedula Srinivas | SVP, Customer Success | Sell | 1,486 | $213.40 | $317.1K | 17,433 |
| Jun 10, 2024 | Slicer Mark | Chief Financial Officer | Sell | 1,038 | $219.19 | $227.5K | 12,552 |
| Mar 22, 2024 | Plisinski Michael P | CEO | Sell | 40,000 | $175.48 | $7.02M | 271,148 |
| Mar 18, 2024 | OH Yoon Ah | VP, General Counsel & Corp Sec | Sell | 4,370 | $176.29 | $770.4K | 16,598 |
| Feb 13, 2024 | MILLER DAVID BRIAN | Director | Sell | 2,800 | $170.49 | $477.4K | 9,008 |
| Sep 18, 2023 | Fiordalice Robert | SVP & GM, Metrology BU | Sell | 7,049 | $125.19 | $882.4K | 11,685-38% |
| Sep 18, 2023 | Slicer Mark | Chief Financial Officer | Sell | 3,005 | $125.14 | $376.0K | 15,388 |
| Sep 5, 2023 | Vedula Srinivas | SVP, Customer Success | Sell | 1,469 | $137.00 | $201.3K | 17,976 |
| Aug 22, 2023 | Plisinski Michael P | CEO | Sell | 31,000 | $112.85 | $3.50M | 280,141 |
| Jun 16, 2023 | Jin Ju | SVP & GM, IBU | Sell | 3,231 | $105.17 | $339.8K | 10,254 |
| Jun 6, 2023 | Jin Ju | SVP & GM, IBU | Sell | 1,232 | $107.72 | $132.7K | 13,485 |
| May 30, 2023 | Fiordalice Robert | SVP, GM MBU | Sell | 846 | $109.40 | $92.6K | 13,526 |
| May 25, 2023 | MILLER DAVID BRIAN | Director | Sell | 5,000 | $99.69 | $498.5K | 12,993-28% |
| May 22, 2023 | Fiordalice Robert | SVP, GM MBU | Sell | 780 | $101.25 | $79.0K | 14,372 |
| May 18, 2023 | Fiordalice Robert | SVP, GM MBU | Sell | 768 | $97.20 | $74.6K | 15,152 |
| May 17, 2023 | Fiordalice Robert | SVP, GM MBU | Sell | 669 | $93.15 | $62.3K | 15,920 |
| May 17, 2023 | Jin Ju | SVP & GM, IBU | Sell | 1,603 | $95.00 | $152.3K | 14,717 |
| Aug 9, 2022 | Fiordalice Robert | Sr. Vice President & GM, MBU | Sell | 662 | $89.10 | $59.0K | 12,900 |
| Feb 17, 2022 | Rhine Bruce C | Director | Sell | 61,055 | $89.78 | $5.48M | 52,383-54% |
| Jan 18, 2022 | ROTH STEVEN R | Sr VP & CFO | Sell | 5,000 | $105.00 | $525.0K | 18,803 |
| Dec 10, 2021 | Rhine Bruce C | Director | Sell | 22,633 | $98.12 | $2.22M | 65,905-26% |
| Dec 9, 2021 | MILLER DAVID BRIAN | Director | Sell | 5,500 | $97.41 | $535.8K | 12,508-31% |
| Nov 23, 2021 | Vedula Srinivas | Sell | 6,225 | $90.31 | $562.2K | 15,852-28% | |
| Nov 3, 2021 | BERLINGHIERI LEO | Director | Sell | 5,275 | $80.48 | $424.5K | 15,101-26% |
| Nov 3, 2021 | Rhine Bruce C | Director | Sell | 50,000 | $80.36 | $4.02M | 88,538-36% |
| Nov 3, 2021 | ROTH STEVEN R | Sr VP & CFO | Sell | 5,000 | $83.00 | $415.0K | 23,803 |
| Aug 10, 2021 | Plisinski Michael P | Chief Executive Officer | Sell | 29,592 | $75.34 | $2.23M | 217,643 |
| Jun 17, 2021 | Plisinski Michael P | Chief Executive Officer | Sell | 3,500 | $75.25 | $263.4K | 248,935 |
| Jun 17, 2021 | Rhine Bruce C | Director | Sell | 4,296 | $75.16 | $322.9K | 138,538 |
| Jun 15, 2021 | Heidrich Kevin | Sell | 17,816 | $74.96 | $1.34M | 27,187-40% | |
| Jun 15, 2021 | Plisinski Michael P | Chief Executive Officer | Sell | 6,908 | $75.30 | $520.2K | 250,735 |
| Jun 15, 2021 | Rhine Bruce C | Director | Sell | 45,704 | $75.10 | $3.43M | 188,137 |
| May 26, 2021 | Rhine Bruce C | Director | Sell | 30,000 | $65.52 | $1.97M | 0Exit |
| Apr 14, 2021 | Rhine Bruce C | Director | Sell | 50,000 | $70.74 | $3.54M | 224,459 |
| Apr 6, 2021 | ROTH STEVEN R | Senior Vice President & CFO | Sell | 15,000 | $70.00 | $1.05M | 28,803-34% |
ONTO Insiders
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