| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Tattoli Mark Damian | SVP, Gen Counsel & Secretary | 6316 WINDFERN ROAD, HOUSTON | /s/ Mark D. Tattoli | 05 Aug 2025 | 0001872069 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CLB | Common Stock | Tax liability | $1,042 | -99 | -0.6% | $10.53 | 16,295 | 01 Aug 2025 | Direct | |
| transaction | CLB | Common Stock | Options Exercise | $0 | +250 | +1.5% | $0.000000 | 16,394 | 01 Aug 2025 | Direct | |
| holding | CLB | Common Stock | 20 | 01 Aug 2025 | Custodial account | ||||||
| holding | CLB | Common Stock | 1,695 | 01 Aug 2025 | 401 (k) Plan |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CLB | Restricted Shares | Options Exercise | $0 | -250 | -10% | $0.000000 | 2,150 | 01 Aug 2025 | Common Stock | 250 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | The Restricted Shares vest annually over six years on the anniversary of the grant date in the amount specified in the award agreement, provided the reporting person remains in continuous service on each such vesting date. |
| F2 | Multiple restricted share grants are included in this total. |