Jeffrey Niew - 31 Oct 2025 Form 4 Insider Report for Knowles Corp (KN)

Role: President & CEO, Director
Signature: By: Robyn B. Martin For: POA for Jeffrey Niew
Issuer symbol: KN
Transactions as of: 31 Oct 2025
Transactions value $: -$3,234,433
Form type: 4
Filing time: 04 Nov 2025, 12:27:05 UTC
Previous filing: 12 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Niew Jeffrey	President & CEO, Director	1151 MAPLEWOOD DRIVE, ITASCA	By: Robyn B. Martin For: POA for Jeffrey Niew	04 Nov 2025	0001535760

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	KN	Common Stock	Options Exercise	$1.58M	+98.3K	+10.46%	$16.07	1.04M	31 Oct 2025	Direct
transaction	KN	Common Stock	Sale	-$2.33M	-98.3K	-9.47%	$23.71	939K	31 Oct 2025	Direct	F1
transaction	KN	Common Stock	Options Exercise	$617K	+38.4K	+4.09%	$16.07	978K	03 Nov 2025	Direct
transaction	KN	Common Stock	Sale	-$904K	-38.4K	-3.93%	$23.55	939K	03 Nov 2025	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	KN	Non-Qualified Stock Option (right to buy)	Options Exercise	-$1.58M	-98.3K	-71.9%	$16.07	38.4K	31 Oct 2025	Common Stock	98.3K	$16.07	Direct
transaction	KN	Non-Qualified Stock Option (right to buy)	Options Exercise	-$617K	-38.4K	-100%	$16.07	0	03 Nov 2025	Common Stock	38.4K	$16.07	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.70 to $23.81, inclusive. The reporting person undertakes to provide to Knowles Corporation, any security holder of Knowles Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased/sold at each separate price within the ranges set forth in this footnote to this Form 4.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.40 to $23.68, inclusive. The reporting person undertakes to provide to Knowles Corporation, any security holder of Knowles Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased/sold at each separate price within the ranges set forth in this footnote to this Form 4.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.70 to $23.81, inclusive. The reporting person undertakes to provide to Knowles Corporation, any security holder of Knowles Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased/sold at each separate price within the ranges set forth in this footnote to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.40 to $23.68, inclusive. The reporting person undertakes to provide to Knowles Corporation, any security holder of Knowles Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased/sold at each separate price within the ranges set forth in this footnote to this Form 4.