Yoon Ah Oh

Companies

• Onto InnovationSVP, Gen Counsel & Corp Sec Mar 3, 2025 to now¹
• Onto InnovationGeneral counsel Feb 14, 2022 to Feb 19, 2025²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Onto Innovation ONTO21,110 shares³$4.8M at $226.01May 15, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 15, 2026Shares withheld for tax 530 shares at $271.77 of Onto Innovation³
• Mar 3, 2026Shares withheld for tax 417 shares at $207.50 of Onto Innovation⁴
• Mar 2, 2026Granted 2,408 shares of Onto Innovation⁴
• Mar 1, 2026Shares withheld for tax 267 shares at $215.89 of Onto Innovation⁵
• Mar 1, 2026Shares withheld for tax 307 shares at $215.89 of Onto Innovation⁵
• Mar 1, 2026Exercised options 724 shares of Onto Innovation⁵
• Feb 14, 2026Shares withheld for tax 501 shares at $217.23 of Onto Innovation⁶
• Feb 14, 2026Shares withheld for tax 1,094 shares at $217.23 of Onto Innovation⁶
• Feb 14, 2026Exercised options 3,084 shares of Onto Innovation⁶
• May 15, 2025Shares withheld for tax 603 shares at $98.04 of Onto Innovation⁷
• Mar 3, 2025Granted 2,941 shares of Onto Innovation⁸
• Mar 1, 2025Shares withheld for tax 304 shares at $145.66 of Onto Innovation⁹
• Feb 14, 2025Shares withheld for tax 493 shares at $176.55 of Onto Innovation¹⁰
• Feb 14, 2025Shares withheld for tax 1,830 shares at $176.55 of Onto Innovation¹⁰
• Feb 14, 2025Exercised options 3,956 shares of Onto Innovation¹⁰
• Feb 10, 2025Exercised options 2,720 shares of Onto Innovation¹¹
• Feb 10, 2025Shares withheld for tax 1,016 shares at $183.28 of Onto Innovation¹¹
• Feb 10, 2025Shares withheld for tax 375 shares at $183.28 of Onto Innovation¹¹
• Oct 25, 2024Shares withheld for tax 1,296 shares at $204.39 of Onto Innovation¹²
• May 15, 2024Shares withheld for tax 603 shares at $233.63 of Onto Innovation¹³
• Mar 18, 2024Sold 1,685 shares at $180.00 of Onto Innovation¹⁴
• Mar 15, 2024Sold 2,685 shares at $173.96 of Onto Innovation¹⁴
• Mar 1, 2024Granted 1,883 shares of Onto Innovation¹⁵
• Feb 14, 2024Shares withheld for tax 493 shares at $173.08 of Onto Innovation¹⁶
• Feb 10, 2024Exercised options 2,722 shares of Onto Innovation¹⁷