Vanguard disaggregates holdings; Compass Minerals (NYSE: CMP) shows 0% ownership

Rhea-AI Filing Summary

Compass Minerals International Inc — Schedule 13G/A amendment: The Vanguard Group filed an amendment reporting 0 shares beneficially owned of Compass Minerals common stock and 0% ownership following an internal realignment disclosed in the filing.

The filing states certain Vanguard subsidiaries now report holdings separately in reliance on SEC Release No. 34-39538. The disclosure is administrative, documenting that Vanguard no longer is deemed to beneficially own shares held by those subsidiaries as of the amendment.

Insights

Institutional Ownership Analyst

Vanguard reports zero beneficial ownership after internal disaggregation.

The filing records that The Vanguard Group reports 0 shares and 0% ownership of Compass Minerals common stock following an internal realignment described in the amendment dated 03/13/2026. It cites SEC Release No. 34-39538 as the basis for separate reporting by subsidiaries.

This change is a reporting-level reallocation of holdings across Vanguard entities; cash-flow treatment and actual subsidiary holdings are not specified in the excerpt. Subsequent filings from the reporting entities may show the redistributed positions.

Corporate Governance Specialist

The amendment is administrative and affects how beneficial ownership is reported, not an investment decision disclosed here.

The text explains that certain subsidiaries or divisions will report beneficial ownership separately from The Vanguard Group, Inc., and that Vanguard "no longer has, or is deemed to have, beneficial ownership" over securities held by those units. The signature block shows the filing was signed on 03/26/2026.

From a governance perspective, the filing clarifies reported ownership lines; it does not alter Compass Minerals' shareholder registry directly according to the provided excerpt.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 18)

Compass Minerals International Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

(CUSIP Number)

03/13/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

The Vanguard Group

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

PENNSYLVANIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

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)

0 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: On January 12, 2026, The Vanguard Group, Inc. went through an internal realignment. In accordance with SEC Release No. 34-39538 (January 12, 1998), certain subsidiaries or business divisions of subsidiaries of The Vanguard Group, Inc., that formerly had, or were deemed to have, beneficial ownership with The Vanguard Group, Inc., will report beneficial ownership separately (on a disaggregated basis) from The Vanguard Group, Inc. in reliance on such release. These subsidiaries and/or business divisions pursue the same investment strategies as previously pursued by The Vanguard Group, Inc. prior to the realignment. Further in accordance with SEC Release No. 34-39538 (January 12, 1998), The Vanguard Group, Inc. no longer has, or is deemed to have, beneficial ownership over securities beneficially owned by such subsidiaries and/or business divisions.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Compass Minerals International Inc
(b)	Address of issuer's principal executive offices: 9900 West 109th Street, Overland Park, KS, 66210
Item 2.
(a)	Name of person filing: The Vanguard Group
(b)	Address or principal business office or, if none, residence: 100 Vanguard Blvd.,, Malvern, PA, 19355
(c)	Citizenship: PA
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.:
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: 0
(b)	Percent of class: 0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. The Vanguard Group, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein.No one other person's interest in the securities reported herein is more than 5%.
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.

The Vanguard Group

Signature:	Ashley Grim
Name/Title:	Head of Global Fund Administration
Date:	03/26/2026

FAQ

What did The Vanguard Group report for Compass Minerals (CMP)?

The Vanguard Group reported 0 shares beneficially owned and 0% ownership of Compass Minerals common stock. The filing attributes this to an internal realignment and disaggregated reporting by subsidiaries under SEC Release No. 34-39538.

Why does the Schedule 13G/A show zero ownership for Vanguard?

The amendment explains Vanguard underwent an internal realignment; certain subsidiaries now report holdings separately. Under SEC Release No. 34-39538, Vanguard is no longer deemed to beneficially own those subsidiary-held securities.

Does the filing state who now reports the holdings formerly shown under Vanguard?

The filing states subsidiaries or business divisions will report beneficial ownership separately but does not list specific subsidiary names or their reported share counts in the provided excerpt.

When was the amendment signed and filed?

The signature block shows the amendment was signed by Ashley Grim, Head of Global Fund Administration, on 03/26/2026. The cover date in the excerpt is 03/13/2026.

Does this amendment change Compass Minerals' outstanding share count or control?

No change to outstanding shares or corporate control is disclosed in the excerpt; the amendment addresses reporting allocation among Vanguard entities and not a transfer of issued shares on the company registry.