Martha Z. Carnes
CIK 1678397 · last filed 2026-05-18
Martha Z. Carnes is a corporate insider who has filed 47 SEC Form 4 insider transactions across 4 companies since 2016. The most recent filing, for SXC, was dated May 18, 2026. Across all open-market trades the lifetime net is +$23.0K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $1.7M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.69M
4
47
$23.0K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| SXC | Director | — | $9.59 | — | $0 | 17 | 2026-05-18 |
| CLB | Director | 54,397 | $13.16 | $715.9K | $23.0K | 12 | 2026-04-07 |
| MTRX | Director | 71,183 | $13.71 | $975.9K | $0 | 9 | 2025-11-05 |
| SunCoke Energy Partners, L.P. (SXCP) Delisted | Director | 1,668 | — | — | $0 | 8 | 2019-06-20 |
Recent Filings
47 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-18 | SXC | Grant (A) | — | $0 | EDGAR |
| 2026-04-07 | CLB | Mixed | +8,069 | $0 | EDGAR |
| 2025-11-05 | MTRX | Grant (A) | +7,986 | $0 | EDGAR |
| 2025-05-15 | SXC | Grant (A) | — | $0 | EDGAR |
| 2025-04-02 | CLB | Mixed | +9,317 | $0 | EDGAR |
| 2024-11-06 | MTRX | Grant (A) | +8,290 | $0 | EDGAR |
| 2024-05-16 | SXC | Grant (A) | — | $0 | EDGAR |
| 2024-04-02 | CLB | Mixed | +6,419 | $0 | EDGAR |
| 2023-11-14 | MTRX | Grant (A) | +7,991 | $0 | EDGAR |
| 2023-05-17 | SXC | Grant (A) | — | $0 | EDGAR |