Carnes Martha Z.
SEC insider (Form 3/4/5 filer). CIK 0001678397. Director at SunCoke Energy, Inc. (SXC) and 2 other issuers. 8 reported Form 4/5 transactions since Sep 2024; latest on May 14, 2026. Located in HOUSTON, TX.
Companies Carnes Martha Z. has filed insider reports for
- SunCoke Energy, Inc. (SXC): Director
- Core Laboratories Inc. /DE/ (CLB): Director
- MATRIX SERVICE CO (MTRX): Director
Carnes Martha Z.
CIK: 0001678397
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- May 14, 2026SXC
SunCoke Energy, Inc.
AwardDirectRSUs (Director)
21.7K shares- - Apr 1, 2026CLB
Core Laboratories Inc. /DE/
AwardDirectRestricted Shares
7.9K shares- - Apr 1, 2026CLB
Core Laboratories Inc. /DE/
ExerciseDirect8.1K shares- - Nov 4, 2025MTRX
MATRIX SERVICE CO
AwardDirect8K shares- - May 15, 2025SXC
SunCoke Energy, Inc.
AwardDirectRSUs (Director)
14.4K shares- - Apr 1, 2025CLB
Core Laboratories Inc. /DE/
AwardDirectRestricted Shares
8.1K shares- - Apr 1, 2025CLB
Core Laboratories Inc. /DE/
ExerciseDirect9.3K shares- - Nov 5, 2024MTRX
MATRIX SERVICE CO
AwardDirect8.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 14, 2026 |  SXC SunCoke Energy, Inc. | Award RSUs (Director) | 21,652 | - | - | Direct |
| Apr 1, 2026 |  CLB Core Laboratories Inc. /DE/ | Award Restricted Shares | 7,895 | - | - | Direct |
| Apr 1, 2026 | CLB Core Laboratories Inc. /DE/ | Exercise | 8,069 | - | $0 | Direct |
| Nov 4, 2025 |  MTRX MATRIX SERVICE CO | Award | 7,986 | - | - | Direct |
| May 15, 2025 | SXC SunCoke Energy, Inc. | Award RSUs (Director) | 14,412 | - | - | Direct |
| Apr 1, 2025 | CLB Core Laboratories Inc. /DE/ | Award Restricted Shares | 8,069 | - | - | Direct |
| Apr 1, 2025 | CLB Core Laboratories Inc. /DE/ | Exercise | 9,317 | - | - | Direct |
| Nov 5, 2024 | MTRX MATRIX SERVICE CO | Award | 8,290 | - | $0 | Direct |
1-8 of 8 transactions