LAMBERT WILLIAM D

PrivateCIK: 2074217
Location

DALLAS, TX

LAMBERT WILLIAM D (EVP and CFO) purchased 30.0% of their position (150.00 shares) of MATADOR RESOURCES CO on the open market

Open‑market purchase worth $7.2K — a major conviction buy. The strongest form of insider conviction signal.

P · 1 purchase
InsiderLAMBERT WILLIAM DCIK 2074217
IssuerMATADOR RESOURCES COCIK 1520006
Officer· EVP and CFO
Since Jun 2025
+150.00
Net shares
Net buyer
$7.2K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
150.00 acquired
Non-Derivative Transactions1

Common Stock

Indirect
P · Purchase

Shares

+150.00

Price / share

$48.04

Trade value

$7.21K

% of position

30.0%
9/12/2025
500.00650.00
Total

Net shares

+150.00

Net value

$7.21K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct
Shares owned10K
Total
10K direct10K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
LAMBERT WILLIAM D — Insider Transaction (Form 4) Filed Sep 15, 2025 | Finecho