Knowles Corp (KN) COO exercises options, ends with 184,180 common shares

Rhea-AI Filing Summary

Knowles Corp Senior Vice President and COO Daniel Giesecke reported an insider equity transaction involving company common stock. On 12/11/2025, he exercised a non-qualified stock option to buy 31,513 shares of Knowles common stock at an exercise price of $16.77 per share, as shown by transaction code "M" in the filing. The related derivative position was fully exercised, leaving 0 non-qualified stock options of this grant outstanding.

On the same date, transaction code "F" shows a disposition of 26,205 shares of common stock at $24.04 per share, described as shares withheld to cover the option exercise price and tax liability. After these transactions, Giesecke directly owned 184,180 shares of Knowles common stock.

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
Estimated average burden
hours per response:			0.5

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)
12/11/2025

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	12/11/2025		M		31,513	A	$16.77	210,385	D
Common Stock	12/11/2025		F		26,205(1)	D	$24.04	184,180	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)	$16.77	12/11/2025		M			31,513	02/10/2021	02/09/2027	Common Stock	31,513	$16.77	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	12/12/2025
	** 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 insider transaction did Knowles Corp (KN) report in this Form 4?

The filing reports that Senior Vice President & COO Daniel Giesecke exercised a non-qualified stock option for 31,513 shares of Knowles common stock and had shares withheld to cover the exercise price and taxes.

How many Knowles (KN) shares did the executive acquire and at what price?

Daniel Giesecke acquired 31,513 shares of Knowles Corp common stock through a non-qualified stock option exercise at an exercise price of $16.77 per share.

What does the disposition of 26,205 Knowles (KN) shares represent?

The disposition of 26,205 shares at $24.04 per share, reported with transaction code "F", represents shares withheld to pay the option exercise price and related tax liability, as noted in the explanation of responses.

How many Knowles (KN) shares does the reporting person own after the transactions?

Following the reported transactions, Daniel Giesecke directly owned 184,180 shares of Knowles Corp common stock.

What happened to the non-qualified stock option reported in the Knowles (KN) Form 4?

The non-qualified stock option with an exercise price of $16.77, originally covering 31,513 shares, was fully exercised on 12/11/2025, leaving 0 derivative securities of that grant beneficially owned afterward.

What do transaction codes "M" and "F" indicate in the Knowles (KN) Form 4?

In this filing, code "M" indicates the exercise of a derivative security (the non-qualified stock option), and code "F" indicates a disposition of shares to satisfy the exercise price and tax withholding obligations.