DICK TERESA L.

PrivateCIK: 1559931
Location

MIDLAND, TX

DICK TERESA L. (CAO, Exec. VP, Assist. Sec.) sold 4.9% of their position (5K shares) of DIAMONDBACK ENERGY, INC. on the open market

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

S · 1 sale
InsiderDICK TERESA L.CIK 1559931
IssuerDIAMONDBACK ENERGY, INC.CIK 1539838
Officer· CAO, Exec. VP, Assist. Sec.
Since Mar 2026
-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

$200.00

Trade value

$1M

% of position

4.9%
5/14/2026
102.75K97.75K
Total

Net shares

5K

Net value

-$1M

Derivative Transactions0
No derivative transactions reported
DICK TERESA L. — Insider Transaction (Form 4) Filed May 14, 2026 | Finecho