[Form 4] KNOWLES CORPORATION Insider Trading Activity

Rhea-AI Filing Summary

Daniel J. Giesecke, Senior Vice President & COO of Knowles Corp (KN), reported option exercises on 08/22/2025. He exercised 30,145 non-qualified stock options with an exercise price of $16.07, resulting in acquisition of 30,145 common shares. To satisfy the option exercise price and tax withholding, 25,864 shares were withheld at a price of $21.57. Following these transactions the report shows beneficial ownership totaling 178,872 shares (direct). The Form 4 was filed on behalf of Mr. Giesecke by power of attorney and signed by Robyn B. Martin on 08/25/2025.

Positive

• Clear disclosure of option exercise with transaction date, exercise price and number of shares specified
• Post-transaction beneficial ownership is explicitly reported as 178,872 shares (direct)
• Form executed by authorized agent (POA), indicating procedural compliance

Negative

• 25,864 shares withheld to satisfy exercise price and taxes, reducing net shares delivered to the reporting person

Insights

Financial Analyst

TL;DR: Insider exercised options and withheld shares for taxes; net direct ownership reported at 178,872 shares.

The filing documents a routine exercise of non-qualified stock options by the companys Senior Vice President & COO. The exercise price was $16.07 for 30,145 options, and 25,864 shares were withheld to cover the exercise price and tax liabilities, reported at a withholding price of $21.57. The report shows direct beneficial ownership of 178,872 shares following the transactions. This Form 4 provides clear, transaction-level disclosure without additional commentary or forward-looking statements.

Corporate Governance Expert

TL;DR: Standard Section 16 disclosure: option exercise and tax-withholding recorded; properly executed via POA.

The Form 4 indicates compliance with Section 16 reporting requirements: the reporting person is identified with title, the transaction and withholding amounts are specified, and the form is signed by an authorized agent under power of attorney. All material details necessary to understand the change in beneficial ownership are present and explicit in the filing.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Giesecke Daniel J.

(Last) (First) (Middle)

1151 MAPLEWOOD DRIVE

(Street)

ITASCA IL 60143

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Knowles Corp [ KN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Senior Vice President & COO

3. Date of Earliest Transaction (Month/Day/Year)
08/22/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/22/2025		M		30,145	A	$16.07	204,736	D
Common Stock	08/22/2025		F		25,864(1)	D	$21.57	178,872	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right to buy)	$16.07	08/22/2025		M			30,145	02/19/2020	02/19/2026	Common Stock	30,145	$16.07	0	D

Explanation of Responses:

1. These shares represent the payment of the option exercise price and tax liability by withholding securities.

	By: Robyn B. Martin For: POA for Daniel Giesecke	08/25/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transactions did Daniel J. Giesecke report on the Form 4 for KN?

He reported exercising 30,145 non-qualified stock options on 08/22/2025 and the withholding of 25,864 shares to cover exercise price and taxes.

What was the exercise price and withholding price reported?

The option exercise price was $16.07 per share; the withholding of shares is reported at $21.57 per share.

How many shares does Giesecke beneficially own after the reported transactions?

The Form 4 reports 178,872 shares beneficially owned (direct) following the transactions.

When were the transactions and when was the Form 4 signed?

Transactions occurred on 08/22/2025; the Form 4 was signed by a POA, Robyn B. Martin, on 08/25/2025.

What type of options were exercised?

The filing identifies the instruments as Non-Qualified Stock Options with an original grant date of 02/19/2020 and an expiration of 02/19/2026.

Is the reporting person an officer or a director of Knowles Corporation?

Yes; the filing lists Daniel J. Giesecke as a Senior Vice President & COO and indicates the reporting checkbox for an officer is marked.