SEC CIK 1889970
OH Yoon Ah
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| ONTOview stock → | 21,110 | 2026-05-15 |
Position History — ONTO
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — ONTO
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-05-15 | Tax withholding | 530 | $271.77 | 21,110 |
| 2026-03-03 | Tax withholding | 417 | $207.50 | 21,640 |
| 2026-03-02 | Grant / award (derivative) | 1,204 | $0.00 | 1,204 |
| 2026-03-02 | Grant / award | 2,408 | $0.00 | 22,057 |
| 2026-03-01 | Option exercise (derivative) | 941 | $0.00 | 0 |
| 2026-03-01 | Tax withholding | 267 | $215.89 | 19,649 |
| 2026-03-01 | Tax withholding | 307 | $215.89 | 19,916 |
| 2026-03-01 | Option exercise | 724 | $0.00 | 20,223 |
| 2026-02-14 | Option exercise (derivative) | 1,977 | $0.00 | 0 |
| 2026-02-14 | Tax withholding | 501 | $217.23 | 19,499 |
| 2026-02-14 | Tax withholding | 1,094 | $217.23 | 20,000 |
| 2026-02-14 | Option exercise | 3,084 | $0.00 | 21,094 |
| 2025-05-15 | Tax withholding | 603 | $98.04 | 18,010 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.