PERNA ROBERT J - 24 Feb 2026 Form 4 Insider Report for Knowles Corp (KN)

Role: SVP, General Counsel & Sec
Signature: By: Robyn B. Martin For: POA for Robert J. Perna
Issuer symbol: KN
Transactions as of: 24 Feb 2026
Net transactions value: -$465,640
Form type: 4
Filing time: 26 Feb 2026, 13:27:54 UTC
Previous filing: 23 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
PERNA ROBERT J	SVP, General Counsel & Sec	1151 MAPLEWOOD DRIVE, ITASCA	By: Robyn B. Martin For: POA for Robert J. Perna	26 Feb 2026	0001181355

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	KN	Common Stock	Sale	$208,558	-7,422	-8.5%	$28.10	80,272	24 Feb 2026	Direct	F1
transaction	KN	Common Stock	Sale	$257,081	-9,221	-100%	$27.88	0	26 Feb 2026	by Trust	F2

* 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 $27.98 to $28.11, 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 $27.88 to $27.89, 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 $27.98 to $28.11, 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 $27.88 to $27.89, 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.