ZMIGROSKY MATT

PrivateCIK: 1767328
Location

MIDLAND, TX

ZMIGROSKY MATT (Exec. VP and General Counsel) sold 8.9% of their position (5K shares) of DIAMONDBACK ENERGY, INC. on the open market

Open‑market sale worth $1.00M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderZMIGROSKY MATTCIK 1767328
IssuerDIAMONDBACK ENERGY, INC.CIK 1539838
Officer· Exec. VP and General Counsel
Since Feb 2019
-5K
Net shares
Net seller
$1.00M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
5K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

5K

Price / share

$200.10

Trade value

$1M

% of position

8.9%
5/13/2026
56.39K51.39K
Total

Net shares

5K

Net value

-$1M

Derivative Transactions0
No derivative transactions reported
ZMIGROSKY MATT — Insider Transaction (Form 4) Filed May 14, 2026 | Finecho