Yoon Ah Oh
Insider
First SEC filing: March 18, 2024 · Latest: March 18, 2024
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | ONTO | F | 530 | $271.77 | $144,038 | 21,110 Direct | -2.45% | Disposed | -26.9% (price as of ) |
| March 3, 2026 | ONTO | F | 417 | $207.50 | $86,528 | 21,640 Direct | -1.89% | Disposed | -4.3% (price as of ) |
| March 2, 2026 | ONTO | A | 2,408 | · | · | 22,057 Direct | +12.26% | Acquired | |
| March 2, 2026 | ONTO | A | 1,204 | · | · | 1,204 Direct | · | Acquired | |
| March 2, 2026 | ONTO | A | 1,204 | · | · | 1,204 Direct | · | Acquired | |
| March 1, 2026 | ONTO | M | 724 | · | · | 20,223 Direct | +3.71% | Acquired | |
| March 1, 2026 | ONTO | F | 307 | $215.89 | $66,278 | 19,916 Direct | -1.52% | Disposed | -8.0% (price as of ) |
| March 1, 2026 | ONTO | F | 267 | $215.89 | $57,643 | 19,649 Direct | -1.34% | Disposed | -8.0% (price as of ) |
| March 1, 2026 | ONTO | M | 941 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 14, 2026 | ONTO | M | 3,084 | · | · | 21,094 Direct | +17.12% | Acquired | |
| Feb. 14, 2026 | ONTO | F | 1,094 | $217.23 | $237,650 | 20,000 Direct | -5.19% | Disposed | -8.5% (price as of ) |
| Feb. 14, 2026 | ONTO | F | 501 | $217.23 | $108,832 | 19,499 Direct | -2.50% | Disposed | -8.5% (price as of ) |
| Feb. 14, 2026 | ONTO | M | 1,977 | · | · | 0 Direct | -100.00% | Disposed | |
| May 15, 2025 | ONTO | F | 603 | $98.04 | $59,118 | 18,010 Direct | -3.24% | Disposed | 102.7% (price as of ) |
| March 3, 2025 | ONTO | A | 2,941 | · | · | 18,613 Direct | +18.77% | Acquired | |
| March 3, 2025 | ONTO | A | 1,471 | · | · | 1,471 Direct | · | Acquired | |
| March 3, 2025 | ONTO | A | 1,470 | · | · | 1,470 Direct | · | Acquired | |
| March 1, 2025 | ONTO | F | 304 | $145.66 | $44,281 | 15,672 Direct | -1.90% | Disposed | 36.4% (price as of ) |
| Feb. 14, 2025 | ONTO | M | 3,956 | · | · | 18,299 Direct | +27.58% | Acquired | |
| Feb. 14, 2025 | ONTO | F | 1,830 | $176.55 | $323,086 | 16,469 Direct | -10.00% | Disposed | 12.5% (price as of ) |
| Feb. 14, 2025 | ONTO | F | 493 | $176.55 | $87,039 | 15,976 Direct | -2.99% | Disposed | 12.5% (price as of ) |
| Feb. 14, 2025 | ONTO | M | 1,978 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 10, 2025 | ONTO | F | 375 | $183.28 | $68,730 | 12,639 Direct | -2.88% | Disposed | 8.4% (price as of ) |
| Feb. 10, 2025 | ONTO | F | 1,016 | $183.28 | $186,212 | 11,623 Direct | -8.04% | Disposed | 8.4% (price as of ) |
| Feb. 10, 2025 | ONTO | M | 2,720 | · | · | 14,343 Direct | +23.40% | Acquired | |
| Feb. 10, 2025 | ONTO | M | 1,360 | · | · | 0 Direct | -100.00% | Disposed | |
| Oct. 25, 2024 | ONTO | F | 1,296 | $204.39 | $264,889 | 13,014 Direct | -9.06% | Disposed | -2.8% (price as of ) |
| May 15, 2024 | ONTO | F | 603 | $233.63 | $140,879 | 14,310 Direct | -4.04% | Disposed | -15.0% (price as of ) |
| March 18, 2024 | ONTO | S 10b5-1 | 1,685 | $180.00 | $303,300 | 14,913 Direct | -10.15% | Disposed | 10.4% (price as of ) |
| March 15, 2024 | ONTO | S 10b5-1 | 2,685 | $173.96 | $467,083 | 16,598 Direct | -13.92% | Disposed | 14.2% (price as of ) |
| March 1, 2024 | ONTO | A | 1,883 | · | · | 19,283 Direct | +10.82% | Acquired | |
| March 1, 2024 | ONTO | A | 941 | · | · | 941 Direct | · | Acquired | |
| March 1, 2024 | ONTO | A | 941 | · | · | 941 Direct | · | Acquired | |
| Feb. 14, 2024 | ONTO | F | 493 | $173.08 | $85,328 | 17,400 Direct | -2.76% | Disposed | 14.8% (price as of ) |
| Feb. 10, 2024 | ONTO | F | 1,395 | $180.01 | $251,114 | 15,171 Direct | -8.42% | Disposed | 10.4% (price as of ) |
| Feb. 10, 2024 | ONTO | M | 2,722 | · | · | 17,893 Direct | +17.94% | Acquired | |
| Feb. 10, 2024 | ONTO | M | 1,361 | · | · | 0 Direct | -100.00% | Disposed | |
| Oct. 25, 2023 | ONTO | F | 795 | $111.16 | $88,372 | 16,566 Direct | -4.58% | Disposed | 78.7% (price as of ) |
| May 15, 2023 | ONTO | A | 3,746 | · | · | 17,361 Direct | +27.51% | Acquired | |
| Feb. 14, 2023 | ONTO | A | 3,955 | · | · | 13,615 Direct | +40.94% | Acquired | |
| Feb. 14, 2023 | ONTO | A | 1,978 | · | · | 1,978 Direct | · | Acquired | |
| Feb. 14, 2023 | ONTO | A | 1,977 | · | · | 1,977 Direct | · | Acquired | |
| Feb. 10, 2023 | ONTO | F | 318 | $80.90 | $25,726 | 9,660 Direct | -3.19% | Disposed | 145.6% (price as of ) |
| Oct. 25, 2022 | ONTO | F | 787 | $67.30 | $52,965 | 9,978 Direct | -7.31% | Disposed | 195.2% (price as of ) |
| Feb. 10, 2022 | ONTO | A | 2,722 | · | · | 10,765 Direct | +33.84% | Acquired | |
| Feb. 10, 2022 | ONTO | A | 1,361 | · | · | 1,361 Direct | · | Acquired | |
| Feb. 10, 2022 | ONTO | A | 1,360 | · | · | 1,360 Direct | · | Acquired | |
| Oct. 25, 2021 | ONTO | A | 8,043 | · | · | 8,043 Direct | · | Acquired |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 2, 2026 | ONTO | Performance Stock Unit | Common Stock | · | March 2, 2028 | 1,204 | Acquired |
| March 2, 2026 | ONTO | Performance Stock Unit | Common Stock | · | March 2, 2029 | 1,204 | Acquired |
| March 1, 2026 | ONTO | Performance Stock Unit | Common Stock | · | March 1, 2026 | 941 | Disposed |
| Feb. 14, 2026 | ONTO | Performance Stock Unit | Common Stock | · | Feb. 14, 2026 | 1,977 | Disposed |
| March 3, 2025 | ONTO | Performance Stock Unit | Common Stock | · | March 3, 2027 | 1,471 | Acquired |
| March 3, 2025 | ONTO | Performance Stock Unit | Common Stock | · | March 3, 2028 | 1,470 | Acquired |
| Feb. 14, 2025 | ONTO | Performance Stock Unit | Common Stock | · | Feb. 14, 2025 | 1,978 | Disposed |
| Feb. 10, 2025 | ONTO | Performance Stock Unit | Common Stock | · | Feb. 10, 2025 | 1,360 | Disposed |
| March 1, 2024 | ONTO | Performance Stock Unit | Common Stock | · | March 1, 2026 | 941 | Acquired |
| March 1, 2024 | ONTO | Performance Stock Unit | Common Stock | · | March 1, 2027 | 941 | Acquired |
| Feb. 10, 2024 | ONTO | Performance Stock Unit | Common Stock | · | Feb. 10, 2024 | 1,361 | Disposed |
| Feb. 14, 2023 | ONTO | Performance Stock Unit | Common Stock | · | Feb. 14, 2025 | 1,978 | Acquired |
| Feb. 14, 2023 | ONTO | Performance Stock Unit | Common Stock | · | Feb. 14, 2026 | 1,977 | Acquired |
| Feb. 10, 2022 | ONTO | Performance Stock Unit | Common Stock | · | Feb. 10, 2024 | 1,361 | Acquired |
| Feb. 10, 2022 | ONTO | Performance Stock Unit | Common Stock | · | Feb. 10, 2025 | 1,360 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $406,587 | · | $835,998 | · | $281,996 | · | $10,829 | $1,535,410 |
| 2023 | $370,067 | · | $1,073,669 | · | $191,900 | · | $10,590 | $1,646,226 |
| 2022 | $359,288 | · | $568,303 | · | $206,287 | · | $9,490 | $1,143,368 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.