SEC Insider Transactions from Gresham Gwendolyn.

Last updated: 2026-03-15 09:24 UTC | Total transactions: 15

Gresham Gwendolyn has filed 15 insider transactions across 1 company since December 2022.

Most recent transaction: a grant/award of 33490 shares of Core Laboratories Inc. /DE/ ($CLB) on February 12, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 12, 2026 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP A Performance Shares 33490 $0.00 33,490.0000 47,381,000 9999.99% 0.07%
Dec. 31, 2025 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP M Common Stock 24952 $0.00 52,527.0000 47,381,000 90.49% 0.05%
Dec. 31, 2025 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP M Performance Shares 24952 $0.00 0.0000 47,381,000 100.00% 0.05%
Dec. 31, 2025 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP F Common Stock 19301 $16.03 33,226.0000 47,381,000 36.74% 0.04%
Feb. 13, 2025 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP A Performance Shares 32912 $0.00 32,912.0000 47,685,000 9999.99% 0.07%
Dec. 31, 2024 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP F Common Stock 5989 $17.31 27,575.0000 47,820,000 17.84% 0.01%
Dec. 31, 2024 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP M Common Stock 9604 $0.00 33,564.0000 47,820,000 40.08% 0.02%
Dec. 31, 2024 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP M Performance Shares 9604 $0.00 0.0000 47,820,000 100.00% 0.02%
Feb. 15, 2024 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP A Performance Shares 38002 $0.00 38,002.0000 47,523,000 9999.99% 0.08%
Dec. 31, 2022 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP M Common Stock 12000 $0.00 19,783.0000 0 154.18% 0.00%
Dec. 31, 2023 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP F Common Stock 5775 $17.66 23,960.0000 46,813,000 19.42% 0.01%
Dec. 31, 2022 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP F Common Stock 4722 $20.27 15,061.0000 0 23.87% 0.00%
Dec. 31, 2023 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP F Common Stock 5643 $17.66 24,092.0000 46,813,000 18.98% 0.01%
Dec. 31, 2023 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP M Performance Shares 14674 $0.00 0.0000 46,813,000 100.00% 0.03%
Dec. 31, 2023 Core Laboratories Inc. /DE/ $CLB Gresham Gwendolyn SVP M Common Stock 14674 $0.00 29,735.0000 46,813,000 97.43% 0.03%