CLB — Core Laboratories Inc. /DE/
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on CLB
| date | signal | measured base rate |
|---|---|---|
| 2026-08-11 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-01 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-06-05 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-05-07 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-03-09 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-01 | Teo Sow Hang CAO & Treasurer | Shares withheld for tax | 108 | 10.64 | 1.1K |
| 2026-08-01 | Tattoli Mark Damian SVP, Gen Counsel & Secretary | Shares withheld for tax | 99 | 10.64 | 1.1K |
| 2026-08-01 | Teo Sow Hang CAO & Treasurer | Shares withheld for tax | 90 | 10.64 | 958 |
| 2026-08-01 | Tattoli Mark Damian SVP, Gen Counsel & Secretary | Option exercise | 250 | 0.00 | 0 |
| 2026-08-01 | Teo Sow Hang CAO & Treasurer | Option exercise | 240 | 0.00 | 0 |
| 2026-08-01 | Teo Sow Hang CAO & Treasurer | Option exercise | 200 | 0.00 | 0 |
| 2026-07-31 | Bruno Lawrence Chairman and CEO | Open-market purchase | 5.0K | 10.78 | 53.9K |
| 2026-05-01 | Tattoli Mark Damian SVP, Gen Counsel & Secretary | Shares withheld for tax | 97 | 14.07 | 1.4K |
| 2026-05-01 | Tattoli Mark Damian SVP, Gen Counsel & Secretary | Option exercise | 250 | 0.00 | 0 |
| 2026-04-01 | Murray Katherine Director | Option exercise | 8.1K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| ARIEL INVESTMENTS, LLC | 221.1M | 13.2M |
| BlackRock, Inc. | 121.0M | 7.2M |
| DISCIPLINED GROWTH INVESTORS INC /MN | 82.9M | 4.9M |
| EARNEST PARTNERS LLC | 51.3M | 3.1M |
| STATE STREET CORP | 34.6M | 2.1M |
| CWA Asset Management Group, LLC | 29.2M | 1.7M |
| VANGUARD CAPITAL MANAGEMENT LLC | 27.2M | 1.6M |
| DIMENSIONAL FUND ADVISORS LP | 22.7M | 1.4M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 21.1M | 1.3M |
| GEODE CAPITAL MANAGEMENT, LLC | 19.1M | 1.1M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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