Herz Daniel C (CIK 1516921) reported 7 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-12). Recent activity: Buy WHK (2,000 shares), Buy WHK (185,729 shares), Buy WHK (358,893 shares), Buy WHK (3.8M shares), Sell WHK (2,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-12 | WhiteHawk Minerals Corp. (WHK) | CEO, President & Chairman | Buy | 2,000 | $0 |
| 2026-06-12 | WhiteHawk Minerals Corp. (WHK) | CEO, President & Chairman | Buy | 185,729 | $0 |
| 2026-06-12 | WhiteHawk Minerals Corp. (WHK) | CEO, President & Chairman | Buy | 358,893 | $0 |
| 2026-06-12 | WhiteHawk Minerals Corp. (WHK) | CEO, President & Chairman | Buy | 3.8M | $0 |
| 2026-06-12 | WhiteHawk Minerals Corp. (WHK) | CEO, President & Chairman | Sell | 2,000 | $0 |
| 2025-06-23 | PHX MINERALS INC. (NYSE:PHX) | 10% Owner | Buy | 36.5M | $158.9M |
| 2025-06-23 | PHX MINERALS INC. (NYSE:PHX) | 10% Owner | Sell | 946,606 | $4.1M |
来源：SEC Form 4 申报文件 · 截至 2026-06-12