Recent 8-K filings for CLB

• May 13, 2026, 4:54 PM ET other materiality 0.10 neutral item 5.07

  Core Labs shareholders re-elect directors, ratify auditor, approve say-on-pay at May 12 meeting

  Re-elected Harvey Klingensmith (35.9M for, 3.8M withheld) and Curtis Anastasio (39.3M for, 0.4M withheld) as Class I directors.

• April 29, 2026, 7:59 PM ET earnings materiality 0.65 negative item 2.02item 7.01item 9.01 ◈ Earnings Releases

  Core Lab Q1 revenue $121.8M; GAAP EPS -$0.02, ex-items $0.06

  Revenue $121.8M, down 12% sequentially and flat year-over-year.

• March 23, 2026, 7:59 PM ET earnings materiality 0.75 negative item 7.01item 9.01

  Core Labs cuts Q1 2026 guidance citing Middle East conflict; revenue now $119-123M

  First quarter 2026 revenue guidance revised to $119M-$123M, down from previously issued guidance.

• March 17, 2026, 7:59 PM ET other material materiality 0.65 negative item 2.02

  Core Laboratories corrects Q4/FY2025 tax error; net income down $4.2M, EPS down $0.09

  Income tax expense understated by $4.2M in Q4 and FY2025 due to tax reconciliation and fire-related insurance gain timing.

• March 5, 2026, 6:59 PM ET other materiality 0.30 neutral item 5.03item 9.01 ◈ Governance Changes

  Core Laboratories lowers shareholder voting threshold to simple majority for mergers and change-in-control

  Board approved amendment reducing supermajority voting requirement from 66-2/3% to simple majority for certain shareholder actions including mergers and change-in-control.

• February 4, 2026, 6:59 PM ET earnings materiality 0.60 negative item 2.02item 7.01item 9.01

  Core Lab Q4 rev $138.3M (+7% YoY); ex-items EPS $0.21 (-4%); declares $0.01 dividend

  Q4 revenue $138.3M (+7% YoY); GAAP EPS $0.15, ex-items $0.21 (-4% YoY).

• October 22, 2025, 7:59 PM ET earnings materiality 0.55 negative item 2.02item 7.01item 9.01

  Core Labs Q3 rev $134.5M flat YoY; ex-items EPS $0.22, down 12% YoY

  Revenue $134.5M, up 3% sequentially but flat YoY.

• July 23, 2025, 7:59 PM ET earnings materiality 0.65 neutral item 1.01item 2.02item 2.03item 7.01item 9.01

  Core Lab Q2 rev $130.2M (+5% seq, flat YoY); ex-items EPS $0.19; free cash flow $10.4M

  Q2 revenue $130.2M (+5% sequentially, flat YoY); GAAP EPS $0.22; ex-items EPS $0.19 (-14% YoY, +33% sequentially).

• May 27, 2025, 7:59 PM ET other materiality 0.05 neutral item 5.07

  Core Labs elects three Class II directors, ratifies KPMG, approves say-on-pay

  Elected Martha Z. Carnes, Katherine Murray, and Rob Martinovich as Class II directors to serve until 2028.

• April 23, 2025, 7:59 PM ET earnings materiality 0.70 negative item 2.02item 7.01item 9.01

  Core Labs Q1 rev $123.6M, ex-items EPS $0.14 down 25% YoY, declares $0.01 dividend

  Revenue $123.6M, down 4% sequentially and 5% YoY; GAAP EPS $0.00, ex-items EPS $0.14 (down 25% YoY).

• January 29, 2025, 6:59 PM ET earnings materiality 0.70 neutral item 2.02item 7.01item 9.01

  Core Lab Q4 revenue $129.2M, EPS $0.15; FY revenue $523.8M up 3%, free cash flow $43.4M up 200%

  Q4 2024 revenue $129.2M (down 4% sequentially, up slightly YoY); GAAP EPS $0.15; ex-items EPS $0.22 (down 12% sequentially, up 16% YoY).

• October 23, 2024, 7:59 PM ET earnings materiality 0.70 positive item 2.02item 7.01item 9.01

  Core Lab Q3 revenue $134.4M +7% YoY; EPS ex-items $0.25 +14% YoY; net debt reduced

  Revenue $134.4M, up 3% sequentially and over 7% year-over-year.

• July 24, 2024, 7:59 PM ET earnings materiality 0.55 positive item 2.02item 7.01item 9.01

  Core Labs Q2 revenue $130.6M; GAAP EPS $0.19, ex-items $0.22; cuts net debt $15.8M; declares $0.01 dividend

  Revenue $130.6M, up slightly sequentially and YoY; operating income GAAP $16.0M, ex-items $16.4M (+10% sequentially, +5% YoY).

• May 10, 2024, 7:59 PM ET other materiality 0.15 neutral item 5.07 ◈ Shareholder Votes ×4

  Annual meeting results: all four proposals approved by shareholders

  Class III directors Lawrence Bruno and Kwaku Temeng re-elected with 37.4M and 33.0M votes for respectively.

• April 24, 2024, 7:59 PM ET earnings materiality 0.50 neutral item 2.02item 7.01item 9.01 ◈ Earnings Releases

  Core Laboratories Q1 2024: Revenue $129.6M, EPS ex-items $0.19; declares $0.01 dividend

  Q1 2024 revenue $129.6M, up modestly sequentially and YoY.

Earnings & guidance

Materiality & sentiment trend

Max materiality 0.75 · Median 0.60 · Most common event earnings

2 positive 6 negative 7 neutral

source · CLB on sec.gov