Plisinski Michael P has filed 48 insider transactions across 1 company since February 2024.
Most recent transaction: a grant/award of 7239 shares of ONTO INNOVATION INC. ($ONTO) on March 02, 2026.
Activity breakdown: 0 open-market purchases and 11 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 2, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | A | Performance Stock Unit | 7239 | $0.00 | 7,239.0000 | 49,178,000 | 9999.99% | 0.01% |
| March 2, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | A | Performance Stock Unit | 7239 | $0.00 | 7,239.0000 | 49,178,000 | 9999.99% | 0.01% |
| March 3, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | F | Common Stock | 3742 | $207.50 | 179,242.0000 | 49,178,000 | 2.04% | 0.01% |
| March 2, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | A | Common Stock | 14479 | $0.00 | 182,984.0000 | 49,178,000 | 8.59% | 0.03% |
| March 1, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | F | Common Stock | 2222 | $215.89 | 170,430.0000 | 49,178,000 | 1.29% | 0.00% |
| March 1, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | F | Common Stock | 1925 | $215.89 | 168,505.0000 | 49,178,000 | 1.13% | 0.00% |
| March 1, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | M | Performance Stock Unit | 5971 | $0.00 | 0.0000 | 49,178,000 | 100.00% | 0.01% |
| March 1, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | M | Common Stock | 4597 | $0.00 | 172,652.0000 | 49,178,000 | 2.74% | 0.01% |
| Feb. 14, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | M | Performance Stock Unit | 11824 | $0.00 | 0.0000 | 49,178,000 | 100.00% | 0.02% |
| Feb. 14, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | F | Common Stock | 8919 | $217.23 | 171,687.0000 | 49,178,000 | 4.94% | 0.02% |
| Feb. 14, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | M | Common Stock | 18445 | $0.00 | 180,606.0000 | 49,178,000 | 11.37% | 0.04% |
| Feb. 14, 2026 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | F | Common Stock | 3632 | $217.23 | 168,055.0000 | 49,178,000 | 2.12% | 0.01% |
| Dec. 24, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | Chief Executive Officer | G | Common Stock | 25000 | $0.00 | 162,161.0000 | 49,178,000 | 13.36% | 0.05% |
| March 3, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | A | Common Stock | 23212 | $0.00 | 187,161.0000 | 49,660,000 | 14.16% | 0.05% |
| March 3, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | A | Performance Stock Unit | 11606 | $0.00 | 11,606.0000 | 49,660,000 | 9999.99% | 0.02% |
| March 3, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | A | Performance Stock Unit | 11606 | $0.00 | 11,606.0000 | 49,660,000 | 9999.99% | 0.02% |
| March 1, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 1925 | $145.66 | 163,949.0000 | 49,660,000 | 1.16% | 0.00% |
| Feb. 14, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 3812 | $176.55 | 165,874.0000 | 49,660,000 | 2.25% | 0.01% |
| Feb. 14, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | M | Common Stock | 23650 | $0.00 | 181,121.0000 | 49,660,000 | 15.02% | 0.05% |
| Feb. 14, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 11435 | $176.55 | 169,686.0000 | 49,660,000 | 6.31% | 0.02% |
| Feb. 14, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | M | Performance Stock Unit | 11825 | $0.00 | 0.0000 | 49,660,000 | 100.00% | 0.02% |
| Feb. 10, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | M | Performance Stock Unit | 9524 | $0.00 | 0.0000 | 49,660,000 | 100.00% | 0.02% |
| Feb. 10, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 2859 | $183.28 | 147,633.0000 | 49,660,000 | 1.90% | 0.01% |
| Feb. 10, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | M | Common Stock | 19048 | $0.00 | 166,681.0000 | 49,660,000 | 12.90% | 0.04% |
| Feb. 10, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 9210 | $183.28 | 157,471.0000 | 49,660,000 | 5.53% | 0.02% |
| Jan. 21, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 35000 | $219.19 | 150,492.0000 | 49,660,000 | 18.87% | 0.07% |
| Jan. 16, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 100 | $212.11 | 185,492.0000 | 49,660,000 | 0.05% | 0.00% |
| Jan. 16, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 29900 | $211.24 | 185,592.0000 | 49,660,000 | 13.88% | 0.06% |
| Jan. 14, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 18268 | $200.09 | 217,224.0000 | 49,660,000 | 7.76% | 0.04% |
| Jan. 14, 2025 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 1732 | $201.26 | 215,492.0000 | 49,660,000 | 0.80% | 0.00% |
| March 20, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 1816 | $177.04 | 238,406.0000 | 49,318,000 | 0.76% | 0.00% |
| March 20, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 2914 | $178.16 | 235,492.0000 | 49,318,000 | 1.22% | 0.01% |
| March 20, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 22596 | $176.00 | 240,222.0000 | 49,318,000 | 8.60% | 0.05% |
| March 20, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 2060 | $174.79 | 262,818.0000 | 49,318,000 | 0.78% | 0.00% |
| March 20, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 6270 | $173.96 | 264,878.0000 | 49,318,000 | 2.31% | 0.01% |
| March 20, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | S | Common Stock | 4344 | $172.83 | 271,148.0000 | 49,318,000 | 1.58% | 0.01% |
| March 1, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | A | Performance Stock Unit | 5971 | $0.00 | 5,971.0000 | 49,318,000 | 9999.99% | 0.01% |
| March 1, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | A | Performance Stock Unit | 5971 | $0.00 | 5,971.0000 | 49,318,000 | 9999.99% | 0.01% |
| March 1, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | A | Common Stock | 11943 | $0.00 | 275,492.0000 | 49,318,000 | 4.53% | 0.02% |
| Feb. 14, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 3812 | $173.08 | 263,549.0000 | 49,318,000 | 1.43% | 0.01% |
| Feb. 10, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 3071 | $180.01 | 257,522.0000 | 49,318,000 | 1.18% | 0.01% |
| Feb. 8, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 12003 | $164.76 | 260,593.0000 | 49,318,000 | 4.40% | 0.02% |
| Feb. 8, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | M | Common Stock | 24834 | $0.00 | 272,596.0000 | 49,318,000 | 10.02% | 0.05% |
| Feb. 8, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 4032 | $164.76 | 247,762.0000 | 49,318,000 | 1.60% | 0.01% |
| Feb. 10, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | F | Common Stock | 9211 | $180.01 | 267,361.0000 | 49,318,000 | 3.33% | 0.02% |
| Feb. 8, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | M | Performance Stock Unit | 12417 | $0.00 | 0.0000 | 49,318,000 | 100.00% | 0.03% |
| Feb. 10, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | M | Performance Stock Unit | 9525 | $0.00 | 0.0000 | 49,318,000 | 100.00% | 0.02% |
| Feb. 10, 2024 | ONTO INNOVATION INC. | $ONTO | Plisinski Michael P | CEO | M | Common Stock | 19050 | $0.00 | 276,572.0000 | 49,318,000 | 7.40% | 0.04% |