7 transactions on file, per SEC Form 4 filings.
See CLB superinvestor activity →Teo Sow Hang
CAO & Treasurer · 2026-08-01
Option exercise
240 sh
Teo Sow Hang
CAO & Treasurer · 2026-08-01
Tax withholding
$1K
Teo Sow Hang
CAO & Treasurer · 2026-08-01
Option exercise
200 sh
Teo Sow Hang
CAO & Treasurer · 2026-08-01
Tax withholding
$1K
Tattoli Mark Damian
SVP, Gen Counsel & Secretary · 2026-08-01
Option exercise
250 sh
Tattoli Mark Damian
SVP, Gen Counsel & Secretary · 2026-08-01
Tax withholding
$1K
Bruno Lawrence
Chairman and CEO · 2026-07-31
Bought
$54K
Each row links to the underlying SEC filing. Sells are shown for transparency, not as a signal — see the insider trading article for why.
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