Insider · CIK 0001678397
Martha Z. Carnes
Files at MTRX (MATRIX SERVICE CO), SXC (SunCoke Energy, Inc.), CLB (Core Laboratories Inc. /DE/). First filing -, latest -.
Martha Z. Carnes files SEC Form 4 as director at MTRX (MATRIX SERVICE CO), and also at SXC (SunCoke Energy, Inc.), CLB (Core Laboratories Inc. /DE/). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Martha Z. Carnes has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 10 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 14, 2026 | SXC SunCoke Energy, Inc. | AGrant or award RSUs (Director)derivative | +21,652 | $0.00 | $0 | 75,214 | May 18, 2026 |
| Apr 1, 2026 | CLB Core Laboratories Inc. /DE/ | MOption exercise Common Stock | +8,069 | $0.00 | $0 | 54,397 | Apr 7, 2026 |
| Apr 1, 2026 | CLB Core Laboratories Inc. /DE/ | AGrant or award Restricted Sharesderivative | +7,895 | $0.00 | $0 | 7,895 | Apr 7, 2026 |
| Apr 1, 2026 | CLB Core Laboratories Inc. /DE/ | MOption exercise Restricted Sharesderivative | -8,069 | $0.00 | $0 | 0 | Apr 7, 2026 |
| Nov 4, 2025 | MTRX MATRIX SERVICE CO | AGrant or award COMMON STOCK | +7,986 | $0.00 | $0 | 71,183 | Nov 5, 2025 |
| May 15, 2025 | SXC SunCoke Energy, Inc. | AGrant or award RSUs (Director)derivative | +14,412 | $0.00 | $0 | 53,562 | May 15, 2025 |
| Apr 1, 2025 | CLB Core Laboratories Inc. /DE/ | MOption exercise Common Stock | +9,317 | $0.00 | $0 | 46,328 | Apr 2, 2025 |
| Apr 1, 2025 | CLB Core Laboratories Inc. /DE/ | AGrant or award Restricted Sharesderivative | +8,069 | $0.00 | $0 | 8,069 | Apr 2, 2025 |
| Apr 1, 2025 | CLB Core Laboratories Inc. /DE/ | MOption exercise Restricted Sharesderivative | -9,317 | $0.00 | $0 | 0 | Apr 2, 2025 |
| Nov 5, 2024 | MTRX MATRIX SERVICE CO | AGrant or award COMMON STOCK | +8,290 | $0.00 | $0 | 63,197 | Nov 6, 2024 |
Questions about Martha Z. Carnes
Answered from the filings on this page, as of the latest one.
Is Martha Z. Carnes buying or selling?
Martha Z. Carnes has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Martha Z. Carnes's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Martha Z. Carnes has 0.
Where does Martha Z. Carnes file Form 4?
Martha Z. Carnes has filed Form 4 at MTRX (MATRIX SERVICE CO); SXC (SunCoke Energy, Inc.); CLB (Core Laboratories Inc. /DE/). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.