CLB insider transaction filings
Core Laboratories Inc. /DE/ — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-04. Screen CLB transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 3 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing by 1 insider — 5,000 shares, $53,900 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 9.
- Largest priced transaction: purchase of 5,000 shares @ $10.78 ($53,900) by Bruno Lawrence, filed 2026-08-04.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Bruno Lawrence — Chairman and CEO, Director | 1 | 1 leg · 5,000 sh · $53,900 | — | — |
| Teo Sow Hang — CAO & Treasurer | 1 | — | — | 6 |
| Tattoli Mark Damian — SVP, Gen Counsel & Secretary | 1 | — | — | 3 |
Recent Form 4 filings — Core Laboratories Inc. /DE/
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-04 | 4 | Bruno Lawrence — Chairman and CEO, Director | Purchase (P): 5,000 @ $10.78 | EDGAR |
| 2026-08-04 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 108 @ $10.64 · Option exercise (M): 240 @ $0 · Tax withholding (F): 90 @ $10.64 · Option exercise (M): 200 @ $0 · Option exercise (M): 240 (derivative) @ $0 · Option exercise (M): 200 (derivative) @ $0 | EDGAR |
| 2026-08-04 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 99 @ $10.64 · Option exercise (M): 250 @ $0 · Option exercise (M): 250 (derivative) @ $0 | EDGAR |
| 2026-05-04 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 97 @ $14.07 · Option exercise (M): 250 @ $0 · Option exercise (M): 250 (derivative) @ $0 | EDGAR |
| 2026-04-08 | 4 | Murray Katherine — Director | Option exercise (M): 8,069 @ $0 · Grant/award (A): 7,895 (derivative) @ $0 · Option exercise (M): 8,069 (derivative) @ $0 | EDGAR |
| 2026-04-07 | 4 | Temeng Kwaku — Director | Option exercise (M): 8,069 @ $0 · Grant/award (A): 7,895 (derivative) @ $0 · Option exercise (M): 8,069 (derivative) @ $0 | EDGAR |
| 2026-04-07 | 4 | Klingensmith Harvey Robert — Director | Option exercise (M): 8,069 @ $0 · Grant/award (A): 7,895 (derivative) @ $0 · Option exercise (M): 8,069 (derivative) @ $0 | EDGAR |
| 2026-04-07 | 4 | Carnes Martha Z. — Director | Option exercise (M): 8,069 @ $0 · Grant/award (A): 7,895 (derivative) @ $0 · Option exercise (M): 8,069 (derivative) @ $0 | EDGAR |
| 2026-04-07 | 4 | MARTINOVICH ROBERT F — Director | Option exercise (M): 8,069 @ $0 · Grant/award (A): 7,895 (derivative) @ $0 · Option exercise (M): 8,069 (derivative) @ $0 | EDGAR |
| 2026-04-07 | 4 | ANASTASIO CURT — Director | Option exercise (M): 8,069 @ $0 · Grant/award (A): 7,895 (derivative) @ $0 · Option exercise (M): 8,069 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | Teo Sow Hang — CAO & Treasurer | Grant/award (A): 7,526 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Grant/award (A): 33,490 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | Gresham Gwendolyn — SVP | Grant/award (A): 33,490 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | Bruno Lawrence — Chairman and CEO, Director | Grant/award (A): 204,340 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | Hill Christopher Scott — SVP & CFO | Grant/award (A): 70,008 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 14,310 @ $16.03 · Option exercise (M): 24,952 @ $0 · Option exercise (M): 24,952 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Gresham Gwendolyn — SVP | Tax withholding (F): 19,301 @ $16.03 · Option exercise (M): 24,952 @ $0 · Option exercise (M): 24,952 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Bruno Lawrence — Chairman and CEO, Director | Tax withholding (F): 112,681 @ $16.03 · Option exercise (M): 180,722 @ $0 · Option exercise (M): 180,722 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Hill Christopher Scott — SVP & CFO | Tax withholding (F): 32,152 @ $16.03 · Option exercise (M): 61,417 @ $0 · Option exercise (M): 61,417 (derivative) @ $0 | EDGAR |
| 2025-12-02 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 340 @ $15.39 · Option exercise (M): 864 @ $0 · Option exercise (M): 864 (derivative) @ $0 | EDGAR |
| 2025-10-02 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 99 @ $12.58 · Option exercise (M): 250 @ $0 · Option exercise (M): 250 (derivative) @ $0 | EDGAR |
| 2025-10-02 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 276 @ $12.58 · Option exercise (M): 700 @ $0 · Option exercise (M): 700 (derivative) @ $0 | EDGAR |
| 2025-08-05 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 90 @ $10.53 · Option exercise (M): 200 @ $0 · Tax withholding (F): 108 @ $10.53 · Option exercise (M): 240 @ $0 · Option exercise (M): 200 (derivative) @ $0 · Option exercise (M): 240 (derivative) @ $0 | EDGAR |
| 2025-08-05 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 99 @ $10.53 · Option exercise (M): 250 @ $0 · Option exercise (M): 250 (derivative) @ $0 | EDGAR |
| 2025-05-05 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 79 @ $11.68 · Option exercise (M): 175 @ $0 · Option exercise (M): 175 (derivative) @ $0 | EDGAR |
| 2025-05-05 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 99 @ $11.68 · Option exercise (M): 250 @ $0 · Tax withholding (F): 79 @ $11.68 · Option exercise (M): 200 @ $0 · Option exercise (M): 250 (derivative) @ $0 · Option exercise (M): 200 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Murray Katherine — Director | Option exercise (M): 9,317 @ $0 · Grant/award (A): 8,069 (derivative) @ $0 · Option exercise (M): 9,317 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Temeng Kwaku — Director | Option exercise (M): 9,317 @ $0 · Grant/award (A): 8,069 (derivative) @ $0 · Option exercise (M): 9,317 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Klingensmith Harvey Robert — Director | Option exercise (M): 9,317 @ $0 · Grant/award (A): 8,069 (derivative) @ $0 · Option exercise (M): 9,317 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Carnes Martha Z. — Director | Option exercise (M): 9,317 @ $0 · Grant/award (A): 8,069 (derivative) @ $0 · Option exercise (M): 9,317 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | Straughen Michael — Director | Tax withholding (F): 4,634 @ $14.98 · Option exercise (M): 9,317 @ $0 · Option exercise (M): 9,317 (derivative) @ $0 | EDGAR |
| 2025-04-02 | 4 | ANASTASIO CURT — Director | Option exercise (M): 9,317 @ $0 · Grant/award (A): 8,069 (derivative) @ $0 · Option exercise (M): 9,317 (derivative) @ $0 | EDGAR |
| 2025-02-13 | 4 | Teo Sow Hang — CAO & Treasurer | Grant/award (A): 7,692 (derivative) @ $0 | EDGAR |
| 2025-02-13 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Grant/award (A): 32,912 (derivative) @ $0 | EDGAR |
| 2025-02-13 | 4 | Gresham Gwendolyn — SVP | Grant/award (A): 32,912 (derivative) @ $0 | EDGAR |
| 2025-02-13 | 4 | Bruno Lawrence — Chairman and CEO, Director | Grant/award (A): 202,764 (derivative) @ $0 | EDGAR |
| 2025-02-13 | 4 | Hill Christopher Scott — SVP & CFO | Grant/award (A): 68,800 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 5,028 @ $17.31 · Option exercise (M): 9,604 @ $0 · Option exercise (M): 9,604 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Gresham Gwendolyn — SVP | Tax withholding (F): 5,989 @ $17.31 · Option exercise (M): 9,604 @ $0 · Option exercise (M): 9,604 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Bruno Lawrence — Chairman and CEO, Director | Tax withholding (F): 43,380 @ $17.31 · Option exercise (M): 69,574 @ $0 · Option exercise (M): 69,574 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Hill Christopher Scott — SVP & CFO | Tax withholding (F): 14,719 @ $17.31 · Option exercise (M): 23,607 @ $0 · Option exercise (M): 23,607 (derivative) @ $0 | EDGAR |
| 2024-12-02 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 227 @ $20.42 · Option exercise (M): 576 @ $0 · Option exercise (M): 576 (derivative) @ $0 | EDGAR |
| 2024-10-03 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 99 @ $19.21 · Option exercise (M): 250 @ $0 · Option exercise (M): 250 (derivative) @ $0 | EDGAR |
| 2024-10-03 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 276 @ $19.21 · Option exercise (M): 700 @ $0 · Option exercise (M): 700 (derivative) @ $0 | EDGAR |
| 2024-08-05 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 93 @ $23.24 · Option exercise (M): 240 @ $0 · Tax withholding (F): 90 @ $23.24 · Option exercise (M): 200 @ $0 · Tax withholding (F): 35 @ $23.24 · Option exercise (M): 80 @ $0 · +3 more | EDGAR |
| 2024-08-05 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 99 @ $23.24 · Option exercise (M): 250 @ $0 · Tax withholding (F): 48 @ $23.24 · Option exercise (M): 120 @ $0 · Option exercise (M): 250 (derivative) @ $0 · Option exercise (M): 120 (derivative) @ $0 | EDGAR |
| 2024-05-02 | 4 | Teo Sow Hang — CAO & Treasurer | Tax withholding (F): 79 @ $15.71 · Option exercise (M): 175 @ $0 · Option exercise (M): 175 (derivative) @ $0 | EDGAR |
| 2024-05-02 | 4 | Tattoli Mark Damian — SVP, Gen Counsel & Secretary | Tax withholding (F): 99 @ $15.71 · Option exercise (M): 250 @ $0 · Tax withholding (F): 79 @ $15.71 · Option exercise (M): 200 @ $0 · Option exercise (M): 250 (derivative) @ $0 · Option exercise (M): 200 (derivative) @ $0 | EDGAR |
| 2024-04-11 | 4 | Teo Sow Hang — CAO & Treasurer | Grant/award (A): 6,662 (derivative) @ $0 | EDGAR |
| 2024-04-02 | 4 | ANASTASIO CURT — Director | Option exercise (M): 6,419 @ $0 · Grant/award (A): 9,317 (derivative) @ $0 · Option exercise (M): 6,419 (derivative) @ $0 | EDGAR |
Recent 8-K events — Core Laboratories Inc. /DE/
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-25 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-29 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-13 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-04-29 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-23 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-17 | 8-K/A | 2.02 — Results of Operations and Financial Condition | EDGAR |
| 2026-03-05 | 8-K | 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-04 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-22 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-07-23 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.02 — Results of Operations and Financial Condition 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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