Hollek Darrell E (CIK 1640299) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-13). Recent activity: Buy OIS (16,760 shares), Sell OIS (42,511 shares), Buy OIS (31,185 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-13 | OIL STATES INTERNATIONAL, INC (OIS) | Director | Buy | 16,760 | $0 |
| 2026-04-01 | OIL STATES INTERNATIONAL, INC (OIS) | Director | Sell | 42,511 | $493,553 |
| 2025-05-14 | OIL STATES INTERNATIONAL, INC (OIS) | Director | Buy | 31,185 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-05-13