InsiderFlow

CLB

Core Laboratories N.V.$11.25-0.18 (-1.58%)
Prev Close$11.40·MCap$518.6M·P/E17.26·Vol335.5K·Yield0.00%

Buys (12M)

1

$53.9K

Sells (12M)

7

$2.87M

Net Activity

Net Seller

$2.82M

Active Insiders

6

last 12 mo

Over the past 12 months, insider activity at Core Laboratories N.V. (CLB) has been dominated by selling, with 1 insider purchase totaling $53.9K and 7 insider sales totaling $2.87M. The most recent insider transaction was by Bruno Lawrence (director, officer: Chairman and CEO), who purchased $53.9K worth of shares on Aug 4, 2026. Core Laboratories N.V. operates in the Energy sector, within the Oil & Gas Equipment & Services industry, with a market cap of $518.6M.

CLB Insider Trading Activity

DateInsiderTypeValue
Aug 4, 2026 Bruno LawrenceBuy$53.9K
Dec 31, 2025 Bruno LawrenceSell$1.81M
Dec 31, 2025 Gresham GwendolynSell$309.4K
Dec 31, 2025 Hill Christopher ScottSell$515.4K
Dec 31, 2025 Tattoli Mark DamianSell$229.4K
Dec 1, 2025 Teo Sow HangSell$5.2K
Oct 1, 2025 Tattoli Mark DamianSell$3.5K
Oct 1, 2025 Teo Sow HangSell$1.2K
Aug 1, 2025 Tattoli Mark DamianSell$1.0K
Aug 1, 2025 Teo Sow HangSell$2.1K
May 1, 2025 Tattoli Mark DamianSell$1.2K
May 1, 2025 Teo Sow HangSell$922.72
Apr 1, 2025 Straughen MichaelSell$69.4K

CLB Insider Buying Activity

The following table shows recent insider purchases of Core Laboratories N.V. (CLB) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Aug 4, 2026 Bruno LawrenceBuy$53.9K

CLB Insider Selling Activity

The following table shows recent insider sales of Core Laboratories N.V. (CLB) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Dec 31, 2025 Bruno LawrenceSell$1.81M
Dec 31, 2025 Gresham GwendolynSell$309.4K
Dec 31, 2025 Hill Christopher ScottSell$515.4K
Dec 31, 2025 Tattoli Mark DamianSell$229.4K
Dec 1, 2025 Teo Sow HangSell$5.2K
Oct 1, 2025 Tattoli Mark DamianSell$3.5K
Oct 1, 2025 Teo Sow HangSell$1.2K
Aug 1, 2025 Tattoli Mark DamianSell$1.0K
Aug 1, 2025 Teo Sow HangSell$2.1K
May 1, 2025 Tattoli Mark DamianSell$1.2K
May 1, 2025 Teo Sow HangSell$922.72
Apr 1, 2025 Straughen MichaelSell$69.4K

CLB Insiders

Bruno Lawrence

director, officer: Chairman and CEO

Bought $53.9KSold $1.81M
2 tradesLast: Aug 4, 2026
Gresham Gwendolyn

SVP

Sold $309.4K
1 tradesLast: Dec 31, 2025
Tattoli Mark Damian

SVP, Gen Counsel & Secretary

Sold $235.1K
4 tradesLast: Dec 31, 2025
Hill Christopher Scott

SVP & CFO

Sold $515.4K
1 tradesLast: Dec 31, 2025
Teo Sow Hang

CAO & Treasurer

Sold $9.5K
4 tradesLast: Dec 1, 2025
Straughen Michael

Director

Sold $69.4K
1 tradesLast: Apr 1, 2025