Knowles (KN) 13G/A: Ariel beneficially owns 4,108,160 shares (4.8%)

Ariel Investments, LLC filed Amendment No. 4 to Schedule 13G reporting beneficial ownership in Knowles Corp (KN).

Rhea-AI Filing Summary

Ariel Investments, LLC filed Amendment No. 4 to Schedule 13G reporting beneficial ownership in Knowles Corp (KN). Ariel reports 4,108,160 shares beneficially owned, representing 4.8% of the common stock, as of the event date 09/30/2025.

The firm has sole voting power over 3,752,222 shares and sole dispositive power over 4,108,160 shares, with no shared voting or dispositive power. Ariel states the holdings were acquired and are held in the ordinary course of business and not to change or influence control. Ariel’s adviser clients have the right to receive dividends or sale proceeds; none hold more than 5%.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Ariel Investments disclose in KN’s Schedule 13G/A?

Ariel reported 4,108,160 Knowles common shares beneficially owned, equal to 4.8% of the class.

What voting and dispositive powers did Ariel report for KN?

Ariel has sole voting power over 3,752,222 shares and sole dispositive power over 4,108,160 shares, with no shared powers.

What is the event date for this ownership report on KN?

The date of event is 09/30/2025.

Does Ariel intend to influence control at Knowles (KN)?

Ariel certified the securities were acquired and are held in the ordinary course, not to change or influence control.

Who benefits economically from the KN shares reported by Ariel?

Ariel’s adviser clients have rights to dividends and sale proceeds; none have an economic interest over 5%.

What type of filer is Ariel in this report?

Ariel is an investment adviser (IA) filing a Schedule 13G/A.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/14/2025 - 11:20 AM EST Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

Knowles Corp

(Name of Issuer)

Common Stock SH SH

(Title of Class of Securities)

49926D109

(CUSIP Number)

09/30/2025

(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. 49926D109

1

Names of Reporting Persons

Ariel Investments, LLC

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 3,752,222.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,108,160.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,108,160.00

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)

4.8 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Knowles Corp
(b)	Address of issuer's principal executive offices: 1151 Maplewood Drive, Itasca, US-IL, 60143, US
Item 2.
(a)	Name of person filing: Ariel Investments, LLC
(b)	Address or principal business office or, if none, residence: 200 E. Randolph Street, Suite 2900, Chicago, 60601, United States
(c)	Citizenship: DELAWARE LIMITED LIABILITY COMPANY
(d)	Title of class of securities: Common Stock SH SH
(e)	CUSIP No.: 49926D109
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: 4,108,160
(b)	Percent of class: 4.8 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 3,752,222
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 4,108,160
	(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. Ariel Investments, LLC's adviser clients have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, all securities reported upon this Schedule. None of Ariel Investments, LLC's clients have an economic interest in more than 5% of the subject securities reported upon this Schedule.
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.

Ariel Investments, LLC

Signature:	James Prescott
Name/Title:	Vice President, Compliance
Date:	11/14/2025