Issuer files Rule 144 sale notice

Issuer filed a Form 144 reporting restricted stock and recent open-market dispositions.

Rhea-AI Filing Summary

Issuer filed a Form 144 reporting restricted stock and recent open-market dispositions. The notice lists 10,740 shares of restricted common stock dated 04/30/2025. It also reports sales by Didier Hirsch of 10,373 shares on 05/01/2026 and 9,316 shares on 04/28/2026.

Key Figures

Restricted shares listed: 10,740 shares Sale by Didier Hirsch: 10,373 shares Sale by Didier Hirsch: 9,316 shares +1 more

4 metrics

Restricted shares listed 10,740 shares Restricted Stock dated 04/30/2025

Sale by Didier Hirsch 10,373 shares Sold on 05/01/2026 for $326,230.85

Sale by Didier Hirsch 9,316 shares Sold on 04/28/2026 for $286,010.52

Filing date / exchange 05/05/2026 Form header lists 05/05/2026 and NYSE

Key Terms

Restricted Stock, Form 144, Securities To Be Sold

3 terms

Restricted Stock regulatory

"Restricted Stock | Issuer | 10740 | 04/30/2025"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Securities To Be Sold regulatory

"144: Securities To Be Sold | Common | 04/30/2025"

FAQ

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

What does the Form 144 for KN show?

The Form 144 lists a restricted stock grant of 10,740 shares dated 04/30/2025 and reports two dispositions by Didier Hirsch: 10,373 shares sold on 05/01/2026 and 9,316 shares sold on 04/28/2026.

Who reported the sales in the KN Form 144?

The reported seller is Didier Hirsch with an address shown in Itasca, Illinois. The filing lists two sales: 10,373 shares on 05/01/2026 and 9,316 shares on 04/28/2026.

Are the dollar values included in the Form 144 for KN?

Yes. The filing shows proceeds associated with the sales: $326,230.85 for the 10,373-share sale and $286,010.52 for the 9,316-share sale, as listed on the form.

What type of securities are listed in the KN Form 144?

The form lists Common shares and identifies a line item as Restricted Stock dated 04/30/2025. The sales reported are dispositions of common stock by the named reporting person.

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

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Accepted by SEC EDGAR 05/05/2026 - 04:14 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001226464
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	KNOWLES CORPORATION
SEC File Number	001-36102
Address of Issuer	1151 Maplewood Drive, Itasca ILLINOIS 60143
Phone	(630) 250-5100
Name of Person for Whose Account the Securities are To Be Sold	DIDIER HIRSCH
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	10740	353883.00	85560660	05/05/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	04/30/2025	Restricted Stock	Issuer			10740	04/30/2025	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
DIDIER HIRSCH 1151 Maplewood Drive, Itasca IL 60143	Common	05/01/2026	10373	326230.85
DIDIER HIRSCH 1151 Maplewood Drive, Itasca IL 60143	Common	04/28/2026	9316	286010.52

144: Remarks and Signature

Remarks
Date of Notice	05/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Didier Hirsch
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)