Kempthorne Dirk A (CIK 1463021) reported 11 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-04-17). Recent activity: Buy FMC (202 shares), Sell ZEUS (5,231 shares), Buy FMC (250 shares), Sell FMC (73 shares), Sell RHI (6,505 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-17 | FMC CORP (FMC) | Director | Buy | 202 | $0 |
| 2026-02-17 | OLYMPIC STEEL INC (ZEUS) | Director | Sell | 5,231 | $0 |
| 2026-01-16 | FMC CORP (FMC) | Director | Buy | 250 | $0 |
| 2026-01-05 | FMC CORP (FMC) | Director | Sell | 73 | $1,021 |
| 2025-10-30 | ROBERT HALF INC. (RHI) | Director | Sell | 6,505 | $187,799 |
| 2025-10-20 | FMC CORP (FMC) | Director | Buy | 773 | $0 |
| 2025-07-21 | FMC CORP (FMC) | Director | Buy | 614 | $0 |
| 2025-05-15 | ROBERT HALF INC. (RHI) | Director | Buy | 5,907 | $0 |
| 2025-05-01 | FMC CORP (FMC) | Director | Buy | 3,355 | $0 |
| 2025-04-21 | FMC CORP (FMC) | Director | Buy | 567 | $0 |
| 2025-03-12 | OLYMPIC STEEL INC (ZEUS) | Director | Buy | 3,556 | $0 |
Source: SEC Form 4 filings · as of 2026-04-17