Insider Robert Perna trims Knowles (KN) holdings after RSU vesting

Rhea-AI Filing Summary

Knowles Corporation’s SVP, General Counsel and Secretary Robert J. Perna reported routine equity activity. On February 6, 2026, 2,946 shares of common stock were withheld to cover taxes upon vesting of a restricted stock grant issued on February 6, 2023.

On February 10, 2026, Perna sold 3,166 shares of Knowles common stock at a weighted average price of $27.09 per share. After these transactions, he directly owned 60,440 shares and indirectly held 9,221 shares through a trust.

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

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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^*

PERNA ROBERT 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)
	SVP, General Counsel & Sec

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

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	02/06/2026		F		2,946(1)	D	$26.98	63,606	D
Common Stock	02/10/2026		S		3,166	D	$27.09(2)	60,440	D
Common Stock								9,221	I	by Trust

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

Explanation of Responses:

1. These shares represent the payment of the tax liability by withholding securities incident to the vesting of a restricted stock grant issued on February 6, 2023 in accordance with Rule 16b-3.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.08 to $27.10, 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.

	By: Robyn B. Martin For: POA for Robert J. Perna	02/10/2026
	** 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).
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FAQ

What insider transactions did KN executive Robert J. Perna report?

Robert J. Perna reported two transactions: tax-related share withholding and an open-market sale. On February 6, 2026, 2,946 shares were withheld to cover taxes from a restricted stock vesting. On February 10, 2026, he sold 3,166 Knowles common shares at a weighted average price of $27.09.

How many Knowles (KN) shares did Robert J. Perna sell and at what price?

Perna sold 3,166 Knowles shares in an open-market transaction. The weighted average sale price was $27.09 per share, with individual trades executed between $27.08 and $27.10. This transaction was reported as a standard sale under code “S” in the Form 4 filing.

Why were 2,946 Knowles (KN) shares withheld from Robert J. Perna?

The 2,946 shares were withheld to pay taxes tied to a restricted stock vesting. These shares satisfied Perna’s tax liability from a restricted stock grant issued on February 6, 2023, in accordance with Rule 16b-3, rather than being sold in the open market.

How many Knowles (KN) shares does Robert J. Perna own after these transactions?

After the reported transactions, Perna held 69,661 shares total. He directly owned 60,440 shares of Knowles common stock. In addition, he indirectly held 9,221 shares through a trust, as disclosed in the Form 4’s ownership table.

What role does Robert J. Perna hold at Knowles (KN)?

Robert J. Perna serves as SVP, General Counsel and Secretary of Knowles Corporation. His position makes him a Section 16 officer, requiring prompt public reporting of his equity transactions in Knowles common stock via Form 4 under U.S. securities regulations.

What does transaction code “F” mean in the KN Form 4 for Perna?

Code “F” indicates tax withholding via share surrender. In this filing, 2,946 shares of Knowles common stock were withheld to satisfy Perna’s tax liability from a restricted stock vesting, rather than representing a discretionary market sale of shares.