3 Form 4 filings for CLB between 2026-08-04 and 2026-08-04, from 3 filers. 3 discretionary (0 sales, 3 purchases). None state a filing-level total — that aggregate began on 2026-08-17 — so each row below shows only its largest transaction.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-04 | Bruno Lawrence | purchased | 5,000 | $10.78 | — | — | |
| 2026-08-04 | Teo Sow Hang | acquired | 240 | — | — | 4 | |
| 2026-08-04 | Tattoli Mark Damian | acquired | 250 | — | — | 2 | |
| 3 filings · 3 filers · disclosed totals only | $0 (0/3) | — | |||||