Mark Damian Tattoli

CLB

Mark Damian Tattoli serves as SVP, Gen Counsel & Secretary at Core Laboratories N.V. (CLB). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$235.1K

Net Position

Net Seller

$235.1K

Companies Traded

CLB

Active Period

May 2025 – Dec 2025

4 total trades

Most Recent

Sell CLB

Dec 31, 2025 · $229.4K

Mark Damian Tattoli's Insider Trading at Core Laboratories N.V. (CLB)

Buys

0 · $0.00

Sells

4 · $235.1K

Total Shares Bought

Total Shares Sold

14,784

CLB Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value
Dec 31, 2025	Sell	14,310	$16.03	$229.4K
Oct 1, 2025	Sell	276	$12.58	$3.5K
Aug 1, 2025	Sell	99	$10.53	$1.0K
May 1, 2025	Sell	99	$11.68	$1.2K

Related Insiders

Lawrence Bruno

director, officer: Chairman and CEO

CLBBuy · Aug 4, 2026

Gwendolyn Gresham

SVP

CLBSell · Dec 31, 2025

Christopher Scott Hill

SVP & CFO

CLBSell · Dec 31, 2025

Sow Hang Teo

CAO & Treasurer

CLBSell · Dec 1, 2025

Explore More Insider Trading Data

CLB Insider Trading Activity

View all insider trades at Core Laboratories N.V.

Energy Sector Insider Trades

See insider activity across energy stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity