InsiderTrades

Gresham Gwendolyn

SEC CIK 1842114 · EDGAR

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CLBCore Laboratories Inc. /DE/SVP 52.5K — — 82022-12-312025-12-31

Most active insiders at CLB, 12 months

#InsiderTitleBoughtSold
1 Bruno LawrenceCOB, CEO, Dir $53.9K—
2 Teo Sow HangCAO, Treas ——
3 Murray KatherineDir ——
4 Tattoli Mark DamianSVP, Gen Counsel, Sec ——
5 Temeng KwakuDir ——
6 Gresham GwendolynSVP ——
7 Klingensmith Harvey RobertDir ——
8 Carnes Martha Z.Dir ——
9 Hill Christopher ScottSVP, CFO ——
10 MARTINOVICH ROBERT FDir ——

Transactions 8

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-01-05 2025-12-31 CLB Core Laboratories Inc. /DE/ Gresham Gwendolyn SVP M - OptEx $0.00 +25.0K 52.5K +90% $0
D 2026-01-05 2025-12-31 CLB Core Laboratories Inc. /DE/ Gresham Gwendolyn SVP F - Tax $16.03 -19.3K 33.2K -37% -$309.4K
D 2025-01-03 2024-12-31 CLB Core Laboratories Inc. /DE/ Gresham Gwendolyn SVP M - OptEx $0.00 +9,604 33.6K +40% $0
D 2025-01-03 2024-12-31 CLB Core Laboratories Inc. /DE/ Gresham Gwendolyn SVP F - Tax $17.31 -5,989 27.6K -18% -$103.7K
MA 2024-01-08 2022-12-31+ CLB Core Laboratories Inc. /DE/ Gresham Gwendolyn SVP F - Tax $18.83 -10.5K 24.0K -30% -$197.7K
A 2024-01-08 2022-12-31 CLB Core Laboratories Inc. /DE/ Gresham Gwendolyn SVP M - OptEx $0.00 +12.0K 19.8K +154% $0
D 2024-01-03 2023-12-31 CLB Core Laboratories Inc. /DE/ Gresham Gwendolyn SVP F - Tax $17.66 -5,643 24.1K -19% -$99.7K
D 2024-01-03 2023-12-31 CLB Core Laboratories Inc. /DE/ Gresham Gwendolyn SVP M - OptEx $0.00 +14.7K 29.7K +97% $0

Purchase Sale Sale after option exercise All abbreviations