Insider · CIK 0001842114
Gwendolyn Gresham
Files at CLB (Core Laboratories Inc. /DE/). First filing -, latest -.
In brief
Gwendolyn Gresham files SEC Form 4 as officer at 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; Gwendolyn Gresham has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 8 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Feb 12, 2026 | CLB Core Laboratories Inc. /DE/ | AGrant or award Performance Sharesderivative | +33,490 | $0.00 | $0 | 33,490 | Feb 17, 2026 |
| Dec 31, 2025 | CLB Core Laboratories Inc. /DE/ | FTax withholding Common Stock | -19,301 | $16.03 | $309k | 33,226 | Jan 5, 2026 |
| Dec 31, 2025 | CLB Core Laboratories Inc. /DE/ | MOption exercise Common Stock | +24,952 | $0.00 | $0 | 52,527 | Jan 5, 2026 |
| Dec 31, 2025 | CLB Core Laboratories Inc. /DE/ | MOption exercise Performance Sharesderivative | -24,952 | $0.00 | $0 | 0 | Jan 5, 2026 |
| Feb 13, 2025 | CLB Core Laboratories Inc. /DE/ | AGrant or award Performance Sharesderivative | +32,912 | $0.00 | $0 | 32,912 | Feb 13, 2025 |
| Dec 31, 2024 | CLB Core Laboratories Inc. /DE/ | FTax withholding Common Stock | -5,989 | $17.31 | $104k | 27,575 | Jan 3, 2025 |
| Dec 31, 2024 | CLB Core Laboratories Inc. /DE/ | MOption exercise Common Stock | +9,604 | $0.00 | $0 | 33,564 | Jan 3, 2025 |
| Dec 31, 2024 | CLB Core Laboratories Inc. /DE/ | MOption exercise Performance Sharesderivative | -9,604 | $0.00 | $0 | 0 | Jan 3, 2025 |
Questions about Gwendolyn Gresham
Answered from the filings on this page, as of the latest one.
Is Gwendolyn Gresham buying or selling?
Gwendolyn Gresham has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Gwendolyn Gresham's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Gwendolyn Gresham has 0.
Where does Gwendolyn Gresham file Form 4?
Gwendolyn Gresham has filed Form 4 at CLB (Core Laboratories Inc. /DE/) as SVP. 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.