SEC Form 4 · accession 0001193125-26-331829
Core Laboratories Inc. /DE/ · CLB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark Damian Tattoli
Officer — SVP, Gen Counsel & Secretary
Period of report
Aug 1, 2026
Accepted (ET)
Aug 4, 2026 · 10:27 am EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001958086
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 1, 2026 | F | 99 | $10.64 | D | 27,665 | D | |
| Common Stock | Aug 1, 2026 | M | 250 | $0.00 | A | 27,764 | D | |
| Common Stock | holding | — | — | — | 20 | I | Custodial account | |
| Common Stock | holding | — | — | — | 1,695 | I | 401 (k) Plan |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted SharesF2,F1 | $0.00 | Aug 1, 2026 | M | 250 | D | — | — | Common Stock | 250 | 950 | D |
Explanation of responses
- F1The 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.
- F2Multiple restricted share grants are included in this total.