SCHWARTZ STEPHEN S (CIK 1247436) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-22). Recent activity: Buy ONTO (761 shares), Buy ONTO (2,114 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | ONTO INNOVATION INC. (ONTO) | Director | Buy | 761 | $0 |
| 2025-05-23 | ONTO INNOVATION INC. (ONTO) | Director | Buy | 2,114 | $0 |
Source: SEC Form 4 filings · as of 2026-05-22