ONTO
Onto Innovation Inc
NYSE: ONTO · TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS
$284.34
+0.69% today
Updated 2026-04-29
Market cap
$14.14B
P/E ratio
101.91
P/S ratio
14.07x
EPS (TTM)
$2.79
Dividend yield
—
52W range
$86 – $316
Volume
0.9M
Onto Innovation Inc (ONTO) Insider transactions
Net insider activity
Net buying (120,415 shares)
Buy transactions
48
Sell transactions
52
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-03 | YALDAEI, RAMIL | Chief Operating Officer | Sale | 615 | $207.50 | $127612.50 |
| 2026-03-03 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Sale | 3,742 | $207.50 | $776465.00 |
| 2026-03-03 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 417 | $207.50 | $86527.50 |
| 2026-03-03 | DOLEV, IDO | EVP, Prod Solutions Grp | Sale | 819 | $207.50 | $169942.50 |
| 2026-03-02 | YALDAEI, RAMIL | Chief Operating Officer | Buy | 1,548 | — | — |
| 2026-03-02 | YALDAEI, RAMIL | Chief Operating Officer | Buy | 7,683 | — | — |
| 2026-03-02 | ROBERTS, BRIAN K | Chief Financial Officer | Buy | 1,548 | — | — |
| 2026-03-02 | ROBERTS, BRIAN K | Chief Financial Officer | Buy | 3,096 | — | — |
| 2026-03-02 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Buy | 7,239 | — | — |
| 2026-03-02 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Buy | 14,479 | — | — |
| 2026-03-02 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Buy | 1,204 | — | — |
| 2026-03-02 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Buy | 2,408 | — | — |
| 2026-03-02 | DOLEV, IDO | EVP, Prod Solutions Grp | Buy | 1,720 | — | — |
| 2026-03-02 | DOLEV, IDO | EVP, Prod Solutions Grp | Buy | 3,440 | — | — |
| 2026-03-02 | CHEN, SHIRLEY | SVP Customer Success | Buy | 1,261 | — | — |
| 2026-03-02 | CHEN, SHIRLEY | SVP Customer Success | Buy | 2,523 | — | — |
| 2026-03-01 | YALDAEI, RAMIL | Chief Operating Officer | Sale | 844 | — | — |
| 2026-03-01 | YALDAEI, RAMIL | Chief Operating Officer | Buy | 649 | — | — |
| 2026-03-01 | YALDAEI, RAMIL | Chief Operating Officer | Sale | 347 | $215.89 | $74913.83 |
| 2026-03-01 | YALDAEI, RAMIL | Chief Operating Officer | Sale | 276 | $215.89 | $59585.64 |
| 2026-03-01 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Sale | 5,971 | — | — |
| 2026-03-01 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Buy | 4,597 | — | — |
| 2026-03-01 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Sale | 2,222 | $215.89 | $479707.58 |
| 2026-03-01 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Sale | 1,925 | $215.89 | $415588.25 |
| 2026-03-01 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 941 | — | — |
| 2026-03-01 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Buy | 724 | — | — |
| 2026-03-01 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 307 | $215.89 | $66278.23 |
| 2026-03-01 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 267 | $215.89 | $57642.63 |
| 2026-02-14 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Sale | 11,824 | — | — |
| 2026-02-14 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Buy | 18,445 | — | — |
| 2026-02-14 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Sale | 8,919 | $217.23 | $1.94M |
| 2026-02-14 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Sale | 3,632 | $217.23 | $788979.36 |
| 2026-02-14 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 1,977 | — | — |
| 2026-02-14 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Buy | 3,084 | — | — |
| 2026-02-14 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 1,094 | $217.23 | $237649.62 |
| 2026-02-14 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 501 | $217.23 | $108832.23 |
| 2025-12-24 | PLISINSKI, MICHAEL P | Director, Chief Executive Officer | Sale | 25,000 | — | — |
| 2025-12-02 | DOLEV, IDO | EVP, Prod Solutions Grp | Sale | 3,183 | $154.01 | $490213.83 |
| 2025-10-03 | YALDAEI, RAMIL | Chief Operating Officer | Sale | 594 | $143.71 | $85363.74 |
| 2025-09-02 | ROBERTS, BRIAN K | Chief Financial Officer | Buy | 21,175 | — | — |
| 2025-09-02 | CHEN, SHIRLEY | SVP, Customer Success | Buy | 12,994 | — | — |
| 2025-06-02 | DOLEV, IDO | EVP, Prod Solutions Grp | Buy | 2,695 | — | — |
| 2025-06-02 | DOLEV, IDO | EVP, Prod Solutions Grp | Buy | 21,562 | — | — |
| 2025-06-02 | DOLEV, IDO | EVP, Prod Solutions Grp | Buy | 5,391 | — | — |
| 2025-05-21 | SU, MAY | Director | Buy | 2,114 | — | — |
| 2025-05-21 | SEAMS, CHRISTOPHER A | Director | Buy | 2,114 | — | — |
| 2025-05-21 | SCHWARTZ, STEPHEN S | Director | Buy | 2,114 | — | — |
| 2025-05-21 | MILLER, DAVID BRIAN | Director | Buy | 2,114 | — | — |
| 2025-05-21 | LYNCH, SUSAN D | Director | Buy | 2,114 | — | — |
| 2025-05-21 | KELLEY, STEPHEN DOUGLAS | Director | Buy | 2,114 | — | — |
| 2025-05-17 | SLICER, MARK | Chief Financial Officer | Sale | 2,066 | $99.40 | $205360.40 |
| 2025-05-15 | YALDAEI, RAMIL | Chief Operating Officer | Sale | 609 | $98.04 | $59706.36 |
| 2025-05-15 | YALDAEI, RAMIL | Chief Operating Officer | Sale | 217 | $98.04 | $21274.68 |
| 2025-05-15 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 603 | $98.04 | $59118.12 |
| 2025-03-03 | YALDAEI, RAMIL | Chief Operating Officer | Buy | 1,884 | — | — |
| 2025-03-03 | YALDAEI, RAMIL | Chief Operating Officer | Buy | 3,769 | — | — |
| 2025-03-03 | VEDULA, SRINIVAS | SVP, Customer Success | Buy | 1,287 | — | — |
| 2025-03-03 | VEDULA, SRINIVAS | SVP, Customer Success | Buy | 1,286 | — | — |
| 2025-03-03 | VEDULA, SRINIVAS | SVP, Customer Success | Buy | 2,574 | — | — |
| 2025-03-03 | SLICER, MARK | Chief Financial Officer | Buy | 1,471 | — | — |
| 2025-03-03 | SLICER, MARK | Chief Financial Officer | Buy | 1,470 | — | — |
| 2025-03-03 | SLICER, MARK | Chief Financial Officer | Buy | 2,941 | — | — |
| 2025-03-03 | PLISINSKI, MICHAEL P | Director, CEO | Buy | 11,606 | — | — |
| 2025-03-03 | PLISINSKI, MICHAEL P | Director, CEO | Buy | 23,212 | — | — |
| 2025-03-03 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Buy | 1,471 | — | — |
| 2025-03-03 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Buy | 1,470 | — | — |
| 2025-03-03 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Buy | 2,941 | — | — |
| 2025-03-01 | YALDAEI, RAMIL | Chief Operating Officer | Sale | 305 | $145.66 | $44426.30 |
| 2025-03-01 | VEDULA, SRINIVAS | SVP, Customer Success | Sale | 199 | $145.66 | $28986.34 |
| 2025-03-01 | SLICER, MARK | Chief Financial Officer | Sale | 336 | $145.66 | $48941.76 |
| 2025-03-01 | PLISINSKI, MICHAEL P | Director, CEO | Sale | 1,925 | $145.66 | $280395.50 |
| 2025-03-01 | OH, YOON AH | SVP, Gen Counsel & Corp Sec | Sale | 304 | $145.66 | $44280.64 |
| 2025-02-14 | VEDULA, SRINIVAS | SVP, Customer Success | Sale | 1,369 | — | — |
| 2025-02-14 | VEDULA, SRINIVAS | SVP, Customer Success | Buy | 2,738 | — | — |
| 2025-02-14 | VEDULA, SRINIVAS | SVP, Customer Success | Sale | 1,391 | $176.55 | $245581.05 |
| 2025-02-14 | VEDULA, SRINIVAS | SVP, Customer Success | Sale | 464 | $176.55 | $81919.20 |
| 2025-02-14 | SLICER, MARK | Chief Financial Officer | Sale | 2,282 | — | — |
| 2025-02-14 | SLICER, MARK | Chief Financial Officer | Buy | 4,564 | — | — |
| 2025-02-14 | SLICER, MARK | Chief Financial Officer | Sale | 1,776 | $176.55 | $313552.80 |
| 2025-02-14 | SLICER, MARK | Chief Financial Officer | Sale | 620 | $176.55 | $109461.00 |
| 2025-02-14 | PLISINSKI, MICHAEL P | Director, CEO | Sale | 11,825 | — | — |
| 2025-02-14 | PLISINSKI, MICHAEL P | Director, CEO | Buy | 23,650 | — | — |
| 2025-02-14 | PLISINSKI, MICHAEL P | Director, CEO | Sale | 11,435 | $176.55 | $2.02M |
| 2025-02-14 | PLISINSKI, MICHAEL P | Director, CEO | Sale | 3,812 | $176.55 | $673008.60 |
| 2025-02-14 | OH, YOON AH | VP, General Counsel & Corp Sec | Sale | 1,978 | — | — |
| 2025-02-14 | OH, YOON AH | VP, General Counsel & Corp Sec | Buy | 3,956 | — | — |
| 2025-02-14 | OH, YOON AH | VP, General Counsel & Corp Sec | Sale | 1,830 | $176.55 | $323086.50 |
| 2025-02-14 | OH, YOON AH | VP, General Counsel & Corp Sec | Sale | 493 | $176.55 | $87039.15 |
| 2025-02-13 | VEDULA, SRINIVAS | SVP, Customer Success | Sale | 238 | $169.58 | $40360.04 |
| 2025-02-10 | VEDULA, SRINIVAS | SVP, Customer Success | Sale | 816 | — | — |
| 2025-02-10 | VEDULA, SRINIVAS | SVP, Customer Success | Buy | 1,632 | — | — |
| 2025-02-10 | VEDULA, SRINIVAS | SVP, Customer Success | Sale | 839 | $183.28 | $153771.92 |
| 2025-02-10 | VEDULA, SRINIVAS | SVP, Customer Success | Sale | 306 | $183.28 | $56083.68 |
| 2025-02-10 | PLISINSKI, MICHAEL P | Director, CEO | Sale | 9,524 | — | — |
| 2025-02-10 | PLISINSKI, MICHAEL P | Director, CEO | Buy | 19,048 | — | — |
| 2025-02-10 | PLISINSKI, MICHAEL P | Director, CEO | Sale | 9,210 | $183.28 | $1.69M |
| 2025-02-10 | PLISINSKI, MICHAEL P | Director, CEO | Sale | 2,859 | $183.28 | $523997.52 |
| 2025-02-10 | OH, YOON AH | VP, General Counsel & Corp Sec | Sale | 1,360 | — | — |
| 2025-02-10 | OH, YOON AH | VP, General Counsel & Corp Sec | Buy | 2,720 | — | — |
| 2025-02-10 | OH, YOON AH | VP, General Counsel & Corp Sec | Sale | 1,016 | $183.28 | $186212.48 |