MADDOCK ERNEST E (CIK 1227050) reported 13 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-06-22). Recent activity: Buy OUST (4,725 shares), Buy TER (2 shares), Buy TER (668 shares), Buy TER (2 shares), Buy TER (2 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-22 | Ouster, Inc. (OUST) | Director | Buy | 4,725 | $0 |
| 2026-06-16 | TERADYNE, INC (TER) | Director | Buy | 2 | $0 |
| 2026-05-12 | TERADYNE, INC (TER) | Director | Buy | 668 | $0 |
| 2026-03-17 | TERADYNE, INC (TER) | Director | Buy | 2 | $0 |
| 2025-12-19 | TERADYNE, INC (TER) | Director | Buy | 2 | $0 |
| 2025-10-01 | TERADYNE, INC (TER) | Director | Buy | 3 | $0 |
| 2025-06-20 | Ouster, Inc. (OUST) | Director | Buy | 13,558 | $0 |
| 2025-06-20 | Ouster, Inc. (OUST) | Director | Buy | 1,500 | $0 |
| 2025-06-17 | TERADYNE, INC (TER) | Director | Buy | 6 | $0 |
| 2025-05-23 | Ultra Clean Holdings, Inc. (UCTT) | Director | Buy | 8,198 | $0 |
| 2025-05-13 | TERADYNE, INC (TER) | Director | Buy | 2,971 | $0 |
| 2025-03-18 | TERADYNE, INC (TER) | Director | Buy | 3 | $0 |
| 2025-03-11 | Ultra Clean Holdings, Inc. (UCTT) | Director | Buy | 10,000 | $242,900 |
Source: SEC Form 4 filings · as of 2026-06-22