FOSTER RONALD C (CIK 1222896) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-05). Recent activity: Buy AEIS (2,313 shares), Buy AEIS (2,093 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-05 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | Director | Buy | 2,313 | $0 |
| 2025-05-06 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | Director | Buy | 2,093 | $0 |
Source: SEC Form 4 filings · as of 2026-05-05