Skip to main content
CLB logo

CLB · Core Laboratories Inc. /DE/ · Insider Trading

Track CLB — free
$10.51 +0.59 (+5.95%) At close · Oct 5
Market Cap
$448.75M
Shares
45.88M
Volume · Oct 5 1.06M Avg daily vol (3M) 646.83K

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

77
Net buyers
+1
Net shares bought
0.01%
Net buy value
+$53,900
Date Insider Type Shares
2026-10-01
Teo Sow Hang
Tax↓
99
2026-10-01
Teo Sow Hang
Convert↓
250
2026-10-01
Tattoli Mark Damian
Convert↓
700
2026-10-01
Tattoli Mark Damian
Tax↓
276
2026-10-01
Teo Sow Hang
Convert↑
250
2026-10-01
Tattoli Mark Damian
Convert↑
700
2026-08-01
Teo Sow Hang
Convert↓
200
2026-08-01
Teo Sow Hang
Convert↑
200
2026-08-01
Teo Sow Hang
Convert↓
240
2026-08-01
Teo Sow Hang
Tax↓
108
2026-08-01
Tattoli Mark Damian
Convert↑
250
2026-08-01
Tattoli Mark Damian
Tax↓
99
2026-08-01
Teo Sow Hang
Convert↑
240
2026-08-01
Teo Sow Hang
Tax↓
90
2026-08-01
Tattoli Mark Damian
Convert↓
250
2026-07-31
Bruno Lawrence
Buy↑
5,000
2026-05-01
Tattoli Mark Damian
Convert↑
250
2026-05-01
Tattoli Mark Damian
Convert↓
250
2026-05-01
Tattoli Mark Damian
Tax↓
97
2026-04-01
Carnes Martha Z.
Convert↑
8,069
2026-04-01
MARTINOVICH ROBERT F
Convert↑
8,069
2026-04-01
Klingensmith Harvey Robert
Convert↓
8,069
2026-04-01
Murray Katherine
Award↑
7,895
2026-04-01
ANASTASIO CURT
Convert↓
8,069
2026-04-01
Carnes Martha Z.
Convert↓
8,069
2026-04-01
Murray Katherine
Convert↑
8,069
2026-04-01
ANASTASIO CURT
Convert↑
8,069
2026-04-01
Klingensmith Harvey Robert
Award↑
7,895
2026-04-01
Carnes Martha Z.
Award↑
7,895
2026-04-01
MARTINOVICH ROBERT F
Convert↓
8,069
2026-04-01
Temeng Kwaku
Convert↓
8,069
2026-04-01
MARTINOVICH ROBERT F
Award↑
7,895
2026-04-01
Klingensmith Harvey Robert
Convert↑
8,069
2026-04-01
Temeng Kwaku
Award↑
7,895
2026-04-01
Temeng Kwaku
Convert↑
8,069
2026-04-01
ANASTASIO CURT
Award↑
7,895
2026-04-01
Murray Katherine
Convert↓
8,069
2026-02-12
Gresham Gwendolyn
Award↑
33,490
2026-02-12
Tattoli Mark Damian
Award↑
33,490
2026-02-12
Hill Christopher Scott
Award↑
70,008
2026-02-12
Teo Sow Hang
Award↑
7,526
2026-02-12
Bruno Lawrence
Award↑
204,340
2025-12-31
Gresham Gwendolyn
Convert↓
24,952
2025-12-31
Hill Christopher Scott
Convert↑
61,417
2025-12-31
Tattoli Mark Damian
Tax↓
14,310
2025-12-31
Hill Christopher Scott
Tax↓
32,152
2025-12-31
Gresham Gwendolyn
Convert↑
24,952
2025-12-31
Tattoli Mark Damian
Convert↑
24,952
2025-12-31
Tattoli Mark Damian
Convert↓
24,952
2025-12-31
Hill Christopher Scott
Convert↓
61,417
Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)
Showing 1–50 of 205 transactions
Key facts CIK 1958086 CUSIP 21867A105 13F (30d) 6 filings 6 filers Visit website Investor relations