Poa Air A. Bastarrica Jr. - 09 Feb 2026 Form 4 Insider Report for Knowles Corp (KN)

Role
Vice President, Controller
Signature
By: Robyn B. Martin For: POA for Air A. Bastarrica, Jr.
Issuer symbol
KN
Transactions as of
09 Feb 2026
Net transactions value
-$791,387
Form type
4
Filing time
10 Feb 2026, 12:43:19 UTC
Previous filing
10 Feb 2026
Next filing
19 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bastarrica Air A. Jr. Vice President, Controller 1151 MAPLEWOOD DRIVE, ITASCA By: Robyn B. Martin For: POA for Air A. Bastarrica, Jr. 10 Feb 2026 0001745084

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KN Common Stock Sale $65,253 -2,433 -4% $26.82 57,767 09 Feb 2026 Direct
transaction KN Common Stock Sale $255,917 -9,567 -17% $26.75 48,200 09 Feb 2026 Direct
transaction KN Common Stock Options Exercise $252,073 +11,924 +25% $21.14 60,124 09 Feb 2026 Direct
transaction KN Common Stock Tax liability $280,681 -10,304 -17% $27.24 49,820 09 Feb 2026 Direct F1
transaction KN Common Stock Options Exercise $167,746 +8,143 +16% $20.60 57,963 09 Feb 2026 Direct
transaction KN Common Stock Tax liability $189,536 -6,958 -12% $27.24 51,005 09 Feb 2026 Direct F1

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 $167,746 -8,143 -100% $20.60 0 09 Feb 2026 Common Stock 8,143 $20.60 Direct F2
transaction KN Non-Qualified Stock Option (right to buy) Options Exercise $252,073 -11,924 -100% $21.14 0 09 Feb 2026 Common Stock 11,924 $21.14 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares represent the payment of the option exercise price and tax liability by withholding securities.
F2 Options granted under the Knowles Corporation 2018 Equity and Cash Incentive Plan that vest ratably over three years commencing on the first anniversary of the award.