Skip to contentOH Yoon Ah — NANOMETRICS INC insider: 48 transactions · InsiderLensOH Yoon Ah
- SVP, Gen Counsel & Corp Sec at NANOMETRICS INC · on record since Feb 14, 2022
- VP, General Counsel at NANOMETRICS INC · on record since Oct 26, 2021
Insider trading activity of OH Yoon Ah
- Transactions on record
- 48
- since Oct 26, 2021
- Open-market buys
- 0
- Open-market sells
- 2
- $770.4K
- Companies traded
- 1
- last filing May 18, 2026
Figures computed from official regulatory filings — methodology.
Companies where OH Yoon Ah has traded
Track record of OH Yoon Ah
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of OH Yoon Ah
Co-insiders of OH Yoon Ah
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
BRENNER NATHANIELNANOMETRICS INC
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 18, 2026 | Other | -530 | 271.77 USD | $144K | SEC |
| Mar 4, 2026 | AwardD | 1,204 | 0.00 USD | $0 | SEC |
| Mar 4, 2026 | Award | 2,408 | 0.00 USD | $0 | SEC |
| Mar 4, 2026 | Other | -417 | 207.50 USD | $86.5K | SEC |
| Mar 4, 2026 | AwardD | 1,204 | 0.00 USD | $0 | SEC |
| Mar 3, 2026 | ExerciseD | -941 | 0.00 USD | $0 | SEC |
| Mar 3, 2026 | Other | -307 | 215.89 USD | $66.3K | SEC |
| Mar 3, 2026 | Exercise | 724 | 0.00 USD | $0 | SEC |
| Mar 3, 2026 | Other | -267 | 215.89 USD | $57.6K | SEC |
| Feb 18, 2026 | ExerciseD | -1,977 | 0.00 USD | $0 | SEC |
| Feb 18, 2026 | Other | -1,094 | 217.23 USD | $237.6K | SEC |
| Feb 18, 2026 | Other | -501 | 217.23 USD | $108.8K | SEC |
| Feb 18, 2026 | Exercise | 3,084 | 0.00 USD | $0 | SEC |
| May 19, 2025 | Other | -603 | 98.04 USD | $59.1K | SEC |
| Mar 5, 2025 | AwardD | 1,471 | 0.00 USD | $0 | SEC |
| Mar 5, 2025 | AwardD | 1,470 | 0.00 USD | $0 | SEC |
| Mar 5, 2025 | Award | 2,941 | 0.00 USD | $0 | SEC |
| Mar 3, 2025 | Other | -304 | 145.66 USD | $44.3K | SEC |
| Feb 19, 2025 | Other | -493 | 176.55 USD | $87K | SEC |
| Feb 19, 2025 | Exercise | 3,956 | 0.00 USD | $0 | SEC |
| Feb 19, 2025 | ExerciseD | -1,978 | 0.00 USD | $0 | SEC |
| Feb 19, 2025 | Other | -1,830 | 176.55 USD | $323.1K | SEC |
| Feb 12, 2025 | ExerciseD | -1,360 | 0.00 USD | $0 | SEC |
| Feb 12, 2025 | Other | -375 | 183.28 USD | $68.7K | SEC |
| Feb 12, 2025 | Exercise | 2,720 | 0.00 USD | $0 | SEC |