Investor Files Schedule 13G: 5.44M Shares of CLB Held by Disciplined Growth

Rhea-AI Filing Summary

Disciplined Growth Investors, Inc. reports beneficial ownership of 5,440,884 common shares of Core Laboratories Inc., representing 11.6% of the class. The filing shows sole voting power over 4,942,266 shares and sole dispositive power over 5,440,884 shares. The filer certifies the position is held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. No group affiliations, subsidiaries, or additional arrangements are reported.

Positive

• Material ownership disclosed: 5,440,884 shares representing 11.6% of the class
• Clear control metrics: Sole voting power reported for 4,942,266 shares and sole dispositive power for 5,440,884 shares
• Passive intent stated: Filing certifies holdings are in the ordinary course and not to influence control

Negative

• None.

Insights

Financial Analyst

TL;DR: A significant passive stake (11.6%) by a named investment adviser signals meaningful ownership without stated intent to seek control.

Disciplined Growth Investors holds a material position in Core Laboratories, with sole voting and dispositive power over the majority of shares reported. The Schedule 13G classification and the certification that shares are held in the ordinary course indicate a passive investment posture rather than an active control campaign. For investors, this documents concentrated ownership that could influence liquidity and shareholder dynamics, but the filer’s stated non-control intent limits immediate governance implications.

Corporate Governance Expert

TL;DR: Ownership above 5% is material for governance monitoring, yet the filer disclaims intent to influence control under Schedule 13G.

The filing discloses clear voting and dispositive authority metrics, which are useful for tracking ownership concentration and proxy voting exposure. Because the filer checked Schedule 13G treatment and certified ordinary-course holdings, there is no formal signal of an activist campaign or planned board influence. Companies and other large shareholders should note the position for proxy planning and potential future engagements, but no immediate governance action is indicated by this filing alone.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

Core Laboratories Inc. /DE/

(Name of Issuer)

Common Shares

(Title of Class of Securities)

21867A105

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 21867A105

1

Names of Reporting Persons

DISCIPLINED GROWTH INVESTORS INC /MN

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

MINNESOTA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 4,942,266.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 5,440,884.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,440,884.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

11.6 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Core Laboratories Inc. /DE/
(b)	Address of issuer's principal executive offices: 6316 WINDFERN ROAD, 6316 WINDFERN ROAD, HOUSTON, TEXAS, 77040.
Item 2.
(a)	Name of person filing: Disciplined Growth Investors, Inc
(b)	Address or principal business office or, if none, residence: 150 South Fifth Street Suite 2550 Minneapolis, MN 55402
(c)	Citizenship: Minnesota, US
(d)	Title of class of securities: Common Shares
(e)	CUSIP No.: 21867A105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 5,440,884
(b)	Percent of class: 11.6 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4,942,266
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 5,440,884
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

DISCIPLINED GROWTH INVESTORS INC /MN

Signature:	Peter G. Rieke
Name/Title:	Chief Operating & Compliance Officer
Date:	08/14/2025

FAQ

How many Core Laboratories (CLB) shares does Disciplined Growth Investors report owning?

The filing reports beneficial ownership of 5,440,884 shares of Core Laboratories common stock.

What percentage of CLB does the reported stake represent?

The reported position represents 11.6% of the outstanding class.

Does Disciplined Growth Investors claim voting or dispositive power over the shares?

Yes. The filer reports sole voting power for 4,942,266 shares and sole dispositive power for 5,440,884 shares.

Is the holding reported as intended to influence control of Core Laboratories?

No. The filer certifies the shares are held in the ordinary course of business and not for the purpose of changing or influencing control.

Is this filing a Schedule 13G or 13D and what does that indicate?

This is a Schedule 13G filing, which indicates a passive investor disclosure rather than an active intent to influence control (as would be signaled by a Schedule 13D).