MAXWELL MICHAEL CASEY

PrivateCIK: 2107660
Location

HOUSTON, TX

Senior insider sale

President - Western Hemisphere at HALLIBURTON CO — senior position signals high conviction

$852.4K

20.35K shares

What this filing means

MAXWELL MICHAEL CASEY plans to sell 20.35K shares of HALLIBURTON CO valued at approximately $852.4K. 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.

InsiderMAXWELL MICHAEL CASEYCIK 2107660
IssuerHALLIBURTON COCIK 45012
Officer· President - Western Hemisphere
Since Feb 2026
20.35K
Shares to sell
$852.4K
Approx. market value
20.35K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months8
Sort

Restricted Stock Vesting

Compensation

1/4/2026
1.97K

Restricted Stock Vesting

Compensation

1/3/2026
1.90K

Restricted Stock Vesting

Compensation

1/2/2026
4.75K

ESPP Purchase

Cash

6/30/2025
473.00

ESPP Purchase

Cash

3/31/2025
465.00

Restricted Stock Vesting

Compensation

1/4/2025
4.00

Restricted Stock Vesting

Compensation

10/29/2024
10.70K

ESPP Purchase

Cash

9/30/2024
88.00
Total acquired20.35K
Planned & Completed Dispositions1
Sort
NYSEPlanned

Units to sell

20.35K

Market value

$852.4K

5/5/2026
Total

Units

20.35K

Value

$852.4K

MAXWELL MICHAEL CASEY — Planned Insider Sale (Form 144) | Finecho