Core Laboratories Inc /DE/

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Core Laboratories Inc /DE/
TickerCLB
CIK #0001958086
CUSIPN22717107
SectorEnergy & Transportation - Oil & Gas Field Services, Nec
Address6316 Windfern Road, Houston, TX 77040
Source [EDGAR]
CIK Filing 2011 - 2026
[0001958086] 10-K
[0001958086] 10-Q
[0001958086] 3
[0001958086] 4
[0001958086] 8-K
[0001958086] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Disciplined Growth Investors Inc /MN Core Laboratories Inc /DE/ [2024-11-14] 0.0
BlackRock Inc Core Laboratories Inc /DE/ [2024-01-22] 17.1
Vanguard Group Inc Core Laboratories Inc /DE/ [2023-06-09] 11.28
BlackRock Inc Core Laboratories Inc /DE/ [2023-06-08] 12.2
Form 3/4/5 Filer 2011 - 2026
Core Laboratories Inc /DE/
Tattoli Mark Damian
Murray Katherine
Klingensmith Harvey Robert
Temeng Kwaku
Martinovich Robert F
Anastasio Curt
Carnes Martha Z
Bruno Lawrence
Gresham Gwendolyn
Hill Christopher Scott
Teo Sow Hang
Straughen Michael
Daniels Kevin
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Tattoli Mark Damian
Performance Shares · derivative
2026-02-12 Grant 33,490 $0.00
Gresham Gwendolyn
Performance Shares · derivative
2026-02-12 Grant 33,490 $0.00
Hill Christopher Scott
Performance Shares · derivative
2026-02-12 Grant 70,008 $0.00
Bruno Lawrence
Performance Shares · derivative
2026-02-12 Grant 204,340 $0.00
Teo Sow Hang
Performance Shares · derivative
2026-02-12 Grant 7,526 $0.00
Gresham Gwendolyn
Common Stock
2025-12-31 Option exercise 24,952 $0.00
Tattoli Mark Damian
Common Stock
2025-12-31 Tax withheld 14,310 $16.03 229,389
Hill Christopher Scott
Common Stock
2025-12-31 Tax withheld 32,152 $16.03 515,397
Bruno Lawrence
Common Stock
2025-12-31 Tax withheld 112,681 $16.03 1,806,276
Hill Christopher Scott
Common Stock
2025-12-31 Option exercise 61,417 $0.00
Gresham Gwendolyn
Common Stock
2025-12-31 Tax withheld 19,301 $16.03 309,395
Tattoli Mark Damian
Common Stock
2025-12-31 Option exercise 24,952 $0.00
Hill Christopher Scott
Performance Shares · derivative
2025-12-31 Option exercise 61,417 $0.00
Bruno Lawrence
Performance Shares · derivative
2025-12-31 Option exercise 180,722 $0.00
Bruno Lawrence
Common Stock
2025-12-31 Option exercise 180,722 $0.00
Tattoli Mark Damian
Performance Shares · derivative
2025-12-31 Option exercise 24,952 $0.00
Gresham Gwendolyn
Performance Shares · derivative
2025-12-31 Option exercise 24,952 $0.00
Teo Sow Hang
Restricted Shares · derivative
2025-12-01 Option exercise 864 $0.00
Teo Sow Hang
Common Stock
2025-12-01 Tax withheld 340 $15.39 5,233
Teo Sow Hang
Common Stock
2025-12-01 Option exercise 864 $0.00
showing 20 of 180 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 191 49,028,602
2025-12-31 190 48,671,125
2025-09-30 192 49,734,357
2025-06-30 193 51,047,330
2025-03-31 195 49,360,551
2024-12-31 209 49,283,164
2024-09-30 192 49,660,365
2024-06-30 197 49,949,852
2024-03-31 201 49,983,558
2023-12-31 188 48,618,543
2023-09-30 176 47,079,232
2023-06-30 166 47,779,155
Form 13F Holdings
Firm Period DFND Voting Shares
CWA Asset Management Group LLC [2026-06-30] SOLE 1,586 1,755,085
Isthmus Partners LLC [2026-06-30] SOLE 20,823 20,823
Louisiana State Employees Retirement System [2026-06-30] SOLE 20,600 20,600
Farther Finance Advisors LLC [2026-06-30] SOLE 0 16,596
Alaska Retirement Management Board [2026-06-30] SOLE 15,181 15,181
Yousif Capital Management LLC [2026-06-30] SOLE 2,648 11,574
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 10,931 10,931
Curated Wealth Partners LLC [2026-06-30] OTR 0 10,000
Gamma Investing LLC [2026-06-30] DFND 4,820 4,820
Spire Wealth Management [2026-06-30] SOLE 0 1,251
Versant Capital Management Inc [2026-06-30] SOLE 967 967
Fortitude Family Office LLC [2026-06-30] SOLE 348 348
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 333
Cedar Mountain Advisors LLC [2026-06-30] SOLE 0 62
Farmers & Merchants Investments Inc [2026-06-30] SOLE 34 34
Sachetta LLC [2026-06-30] DFND 0 32
JFS Wealth Advisors LLC [2026-06-30] SOLE 0 11
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