OH Yoon Ah
SEC insider (Form 3/4/5 filer). CIK 0001889970. SVP, Gen Counsel & Corp Sec at ONTO INNOVATION INC. (ONTO). 19 reported Form 4/5 transactions since Sep 2024; latest on May 15, 2026. Located in WILMINGTON, MA.
Companies OH Yoon Ah has filed insider reports for
- ONTO INNOVATION INC. (ONTO): Officer, SVP, Gen Counsel & Corp Sec
OH Yoon Ah
CIK: 0001889970
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
ONTO INNOVATION INC.
Discretionary Trading P&L
Holdings
Transaction History (19 total)
- May 15, 2026ONTO
ONTO INNOVATION INC.
Tax PaymentDirect530 shares at avg. $271.77$144K - Mar 3, 2026ONTO
ONTO INNOVATION INC.
Tax PaymentDirect417 shares at avg. $207.50$87K - Mar 2, 2026ONTO
ONTO INNOVATION INC.
AwardDirect2.4K shares- - Mar 1, 2026ONTO
ONTO INNOVATION INC.
ExerciseDirect724 shares- - Mar 1, 2026ONTO
ONTO INNOVATION INC.
Tax PaymentDirect267 shares at avg. $215.89$58K - Mar 1, 2026ONTO
ONTO INNOVATION INC.
Tax PaymentDirect307 shares at avg. $215.89$66K - Feb 14, 2026ONTO
ONTO INNOVATION INC.
Tax PaymentDirect1.1K shares at avg. $217.23$238K - Feb 14, 2026ONTO
ONTO INNOVATION INC.
Tax PaymentDirect501 shares at avg. $217.23$109K - Feb 14, 2026ONTO
ONTO INNOVATION INC.
ExerciseDirect3.1K shares- - May 15, 2025ONTO
ONTO INNOVATION INC.
Tax PaymentDirect603 shares at avg. $98.04$59K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 15, 2026 | ONTO ONTO INNOVATION INC. | Tax Payment | 530 | $271.77 | $144,038 | Direct |
| Mar 3, 2026 | ONTO ONTO INNOVATION INC. | Tax Payment | 417 | $207.50 | $86,528 | Direct |
| Mar 2, 2026 | ONTO ONTO INNOVATION INC. | Award | 2,408 | - | $0 | Direct |
| Mar 1, 2026 | ONTO ONTO INNOVATION INC. | Exercise | 724 | - | $0 | Direct |
| Mar 1, 2026 | ONTO ONTO INNOVATION INC. | Tax Payment | 267 | $215.89 | $57,643 | Direct |
| Mar 1, 2026 | ONTO ONTO INNOVATION INC. | Tax Payment | 307 | $215.89 | $66,278 | Direct |
| Feb 14, 2026 | ONTO ONTO INNOVATION INC. | Tax Payment | 1,094 | $217.23 | $237,650 | Direct |
| Feb 14, 2026 | ONTO ONTO INNOVATION INC. | Tax Payment | 501 | $217.23 | $108,832 | Direct |
| Feb 14, 2026 | ONTO ONTO INNOVATION INC. | Exercise | 3,084 | - | $0 | Direct |
| May 15, 2025 | ONTO ONTO INNOVATION INC. | Tax Payment | 603 | $98.04 | $59,118 | Direct |
1-10 of 19 transactions