Senior insider sale
DIAMONDBACK ENERGY, INC. — senior position signals high conviction
$308.8K
1.50K shares
What this filing means
PLAUMANN MARK LAWRENCE plans to sell 1.50K shares of DIAMONDBACK ENERGY, INC. valued at approximately $308.8K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 8/21/2026ACC: 0001921094-26-000937
Director
Since Jun 2019
1.50K
Shares to sell
$308.8K
Approx. market value
1K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months3
Restricted Stock Lapse
Equity Compensation
6/3/2020
113.00Restricted Stock Lapse
Equity Compensation
6/6/2019
787.00Restricted Stock Lapse
Equity Compensation
7/1/2018
100.00Total acquired1K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
6/3/2020 | Restricted Stock Lapse Equity Compensation | 113.00 | — |
6/6/2019 | Restricted Stock Lapse Equity Compensation | 787.00 | — |
7/1/2018 | Restricted Stock Lapse Equity Compensation | 100.00 | — |
| Total | 1K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
500.00
Market value
$98.3K
6/9/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
1K
Market value
$210.6K
8/21/2026
Total
Units
1.50K
Value
$308.8K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
6/9/2026 | 500.00 | $98.3K | — | Completed |
| Planned — Approximate Date | ||||
8/21/2026 | 1K | $210.6K | NASDAQ | Planned |
| Total | 1.50K | $308.8K | ||