Core Laboratories (CLB) stock

Oil well services , market cap $409M

Oil and gas well data and services

Worth $409M

$8.95

-0.89%

As of Tuesday's close · Live for Pro members at the open

Why is CLB down?

Down 16% from Oct 30 to Nov 10.

Oil & gas stocks fell together, a median 15% from Oct 30 to Nov 10 (87 stocks); Core Laboratories fell 16% with them.

Sources: Price history, Nov 10, 2026

−3Long-term trend below a falling 200-day average, down over one year, down over two years

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1 more reason, free with an account →1 more reason why CLB fell 16% since Oct 30, from its filings, with the other side, the timeline, and its peers, for Pro members.

Quality Score

-2

Poor

In its industry

#72of 88

Oil & Gas

Checks firing

2of 14

Trending down

From 52-week high

-56.0%

under its best in a year

CLB's Quality Score fell 2 points on Tue, Nov 10, to -2. Sales were flat on the year.

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Key facts on CLB

Key facts on CLB
Since its 2022 high	Down 74% profit $19.7M → $15.6M a year
Latest filing	10-Q, Oct 30 Filed its quarterly report (10-Q) for the quarter to Sep 30, 2026

1 more reason behind CLB's -2, free with an account →2 more reasons behind CLB's -2, for Pro members.

CLB in the news

Oil, refiner, and tanker stocks fell together

Group

“Crude oil prices fall below $90 a barrel as Vance blames GOP election defeat on Iran war”

CLB closed −1.2% that day.

Reported by CNBC · covered by 37 outlets

Get an alert on CLB's next big story →

The move is what CLB did that session, not a claim about why.

What moves oil and gas

Oil, WTI$99.64-0.4%a barrel, Tue Nov 3from Nov 2

The US benchmark price of a barrel of crude oil, at Cushing, Oklahoma.

EIA spot price, Tue Nov 3. Change from Mon Nov 2. EIA posts spot prices a few days late.

Oil, Brent; US crude in storage; natural gas; and 2 more, for Pro members.

Tested. Our top-scored stocks returned 2.2x the average stock over the next month. Reconstructed after the fact; recorded live since Sep 9, 2026. How we tested it

CLB catalysts

Coming up

After its last 4 reports it closed -2.0% on average, higher 2 of 4 times.

How CLB ranks in Oil & Gas

CLB is #72 of 88 by Quality Score.

How CLB ranks in Oil & Gas
Rank	Stock	Checks	Quality Score
1	EOGEOG Resources	4/14	15
2	APAAPA	2/14	13
3	ARAntero Resources	3/14	13
	BSMBlack Stone Minerals		Open for its score
	CHRDChord Energy		Open for its score
	CNQCanadian Natural Resources		Open for its score
	CNXCNX Resources		Open for its score
72	CLBCore Laboratories	2/14	-2

When does CLB report earnings, and what happens after?

Expected to report Wed Feb 3, after the close (in 85 days).

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What CLB reported on Oct 28, 2026

The quarter

Sales of $132.1M; a profit of $0.12 a share.

The quarter that ended Sep 30, from the company's press release

The press release The filing on EDGAR

Where the sales came from

Where the quarter's sales came from
Line	Q3 2026	Q2 2026	Q3 2025
By product
Servicedown 5.1%	$96M73%	$94.3M76%	$101M75%

Each quarter's sales and their share of its total. Figures as filed (SEC filing, Oct 30)

3 more lines, for Pro members.

The outlook

The outlook the company gave, by period
Measure	Figure
Q4 2026
Reservoir Description revenue	$81,000,000 to $85,000,000

Figures as filed (SEC filing, Oct 28)

6 more outlook lines, for Pro members.

In the company's words

“For the fourth quarter of 2026, Core Lab expects revenue to remain relatively flat sequentially, reflecting continued disruptions in the Middle East.”

From its results filing (SEC filing · Oct 28)

The numbers

Market value: $409M; today
Sales: $517M; down 0.15% on the year
Free cash flow: $10.4M; last 12 months

Sales grew 2.4% a year over 3 years, fiscal 2022 to 2025.

Pays $0.04 a share a year.

5 more figures, for Pro members.

No analyst estimates on Breakaway: every figure here is filed.

The whole report on CLB: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.

Close after the report, last 4

+3.3%-15.3%+4.9%-0.9%

Mar 17Apr 29Jul 29Oct 28

Reported	When	Gap	Reaction	5 days
Oct 28, 2026After close	After close	-4.2%	-0.9%	-8.0%
Jul 29, 2026After close	After close	+5.8%	+4.9%	+10.9%
Apr 29, 2026After close	After close	-6.8%	-15.3%	-21.0%
Mar 17, 2026Before open	Before open	+1.6%	+3.3%	+7.0%

CLB closed higher after 2 of its last 4 reports.

CLB sales and profit by year

Sales and profit by year

Sales grew every year from 2021 to 2025, to $527M. It made a profit in each of the five years.

CLB has 2 of 14 chart checks firing

Trend1 of 5 shown

MA FAN 21 EMA W.EMA HH/HL 52W HI

Volume1 of 3 shown

VOL VDU U/D VOL

Tight range1 of 3 shown

ATR SQZ SQUEEZE NR7

Buying1 of 3 shown

OBV+CLOSE HI SPRING

The other 10 checks on CLB, and all 14 on every stock.Get in free →

CLB RSI today: 34.3, below its 50-day and 200-day averages

Not scored

RSI 34.3, MACD below signal, below both averages. Not scored.13 readings

The deep dive on CLB

What it does and how it makes money4 findingsServices made up 76% of its revenue in fiscal 2025 ($399M of $527M), against 74% in fiscal 2024; product sales 24%.SEC filing · Mar 23, 2026
Where it stands4 findingsFor Pro members4 findings on where CLB stands: its cash, debt, and share count, for Pro members
What changed in its filings3 findingsA new heading in its "Risk Factors" this year: "Conditions in the Middle East, including current uncertainty and instability resulting from the conflict between the United States, Israel and Iran, as well as other regional hostilities could adversely affect our business." (10-K for fiscal 2025; not in fiscal 2024's)SEC filing · Mar 23, 2026, against the one of Feb 13, 2025
Who holds and trades it3 findingsFor Pro members3 findings on who holds and trades CLB, for Pro members

12 more findings on CLB, each with its source, for Pro members.

CLB insider trades

One insider bought $54K across 1 filing in the last 6 months. No open-⁠market sales on record. The newest:

BuyLawrence Bruno$54KChairman and CEOat $10.78 on Jul 31, filed Aug 4

BuyLawrence BrunoChairman and CEO$54Kat $10.78 on Jul 31, filed Aug 4

CLB trades by Congress and the executive branch

2 trades disclosed in the last six months. The newest:

SellDonald Trump$1K to $15KPresident (R)traded Jul 8, disclosed Sep 22(76 days later)

SellDonald TrumpPresident (R)$1K to $15Ktraded Jul 8, disclosed Sep 22(76 days later)

All 2 trades on CLB disclosed by Congress and the executive branch, for Pro members.Get in free →

See what Congress is buying across the market

CLB's officers and directors

Officers and directors with a Form 4 in the last 12 months.

Lawrence BrunoChairman and CEO · 1 trade
Christopher Scott HillSVP & CFO · no trades on file
Gwendolyn GreshamSVP · no trades on file
Mark Damian TattoliSVP, Gen Counsel & Secretary · no trades on file
Sow Hang TeoCAO & Treasurer · no trades on file
Curt AnastasioDirector · no trades on file
Harvey Robert KlingensmithDirector · no trades on file
Katherine MurrayDirector · no trades on file

3 more officers and directors file at CLB.

See insider trades by person

Which ETFs hold CLB?

In ETFs: CLB is under 0.1% of VTI, the most of the 24 funds Breakaway covers, by their holdings as filed for Jun 30, 2026.

About Core Laboratories

Core Laboratories Inc is a providers of proprietary and patented reservoir description and production enhancement services and products to the oil and gas industry, through client relationships. The company operates its business in two segments; Reservoir Description, and Production Enhancement. It provides data and analytics to aid well operators in determining optimal methods for recovering, processing, and refining hydrocarbons from a well. It also manufactures the associated lab equipment for its services. The company generates majority of its revenue from Reservoir Description segment.

3,300 employeesHouston, TXcorelab.com

What Core Laboratories says it competes with

“The business in which we engage is competitive.”

From its annual report, SEC filing · Mar 23, 2026

Here is what Pro members see.

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Its Quality Score and rank, the line that drives it, and the live price.
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A year of candles to start, out to the whole history, with insider trades marked and the Quality Score under the price.
Every line of the score
Price action, the company, and signals, each with its points, on CLB and every other stock.
CEOs buying their own stock
Every CEO buy, biggest names first. Sort, filter, save the list, and set optional alerts.
Congress trades
A member's trades, newest first, each with its amount. Sort and filter the whole list.
14 chart checks, read for you
The ones firing on the stock, each in plain words, its rule a tap away.
Earnings, week by week
Who reports each day, and how each stock took its last four reports.
FDA dates, counted down
Each date in the company's words, its cash against the date, and an optional alert before it.
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What would turn CLB's score around: 7 things
2 more filings explained, a plain line each
2 more things pulling CLB's score down

BreakawayAug 4Lawrence Bruno bought CLB$54K at $10.78, filed Aug 4

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See CLB's 14 chart checks

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Straight AnswersStraight Answers

As of Nov 10, 2026: CLB's Quality Score is -2 (Poor), #72 of 88 in Oil & Gas. Insiders bought $54K in the last 6 months (Form 4).

What does CLB's Quality Score say?

CLB scores -2 today, which Breakaway calls Poor. It is #72 of 88 in Oil & Gas by Quality Score, with 2 of 14 chart checks firing. Down 16% from Oct 30 to Nov 10. Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is CLB's Quality Score?

CLB scores -2 today, which Breakaway calls Poor (below zero). That is #72 of 88 in Oil & Gas by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind CLB's -2.

Are insiders buying CLB?

One insider bought $54K across 1 filing in the last 6 months. No open-⁠market sales on record. The newest is Lawrence Bruno, Chairman and CEO, who bought $54K on Jul 31.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.