| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
2 companies
Plaumann Mark Lawrence serves as a Director at FANG and has filed Form 4s across 2 companies. Across recent SEC filings that breaks down to 1 buy and 7 sells. Those positions are worth an estimated $2.6M at current prices.
The biggest single holding is FANG (~$2.6M) as Director. The recent filings there lean toward selling, a net 8,790 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | TUSK Mammoth Energy Services, Inc. | Director | Buy | 5,000 | $3.00 | $15,000.00 | New | - | - | |
| Aug 21, 2026 | FANG Diamondback Energy, Inc. | Director | Sell | 1,000 | $210.58 | $210,576.60 | -7.4% | - | - | |
| Jun 9, 2026 | FANG Diamondback Energy, Inc. | Director | Sell | 500 | $196.50 | $98,250.00 | -3.6% | +2.8% | - | |
| Nov 13, 2024 | FANG Diamondback Energy, Inc. | Director | Sell | 1,390 | $181.00 | $251,590.00 | -13.1% | -11.1% | -20.8% | |
| May 23, 2017 | FANG Diamondback Energy, Inc. | Director | Sell | 1,000 | $101.52 | $101,524.20 | -13.3% | - | - | |
| Feb 17, 2017 | FANG Diamondback Energy, Inc. | Director | Sell | 1,900 | $107.35 | $203,967.28 | -20.2% | - | - | |
| Sep 14, 2015 | FANG Diamondback Energy, Inc. | Director | Sell | 3,000 | $65.66 | $196,973.10 | -27.2% | - | - |