Key facts
- This page summarizes Poa Air A. Bastarrica Jr.'s Form 4 filing for Knowles Corp (KN).
- 8 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 10 Feb 2026, 12:43.
Poa Air A. Bastarrica Jr. - 09 Feb 2026 Form 4 Insider Report for Knowles Corp (KN)
- Reporting relationship
- Vice President, Controller
- Issuer ticker
- KN
- Reported as of
- 09 Feb 2026
- Net transaction value
- -$791,387
- SEC form
- 4
- Accepted by SEC
- 10 Feb 2026, 12:43:19 UTC
- Prior SEC filing
- 10 Feb 2026
- Next SEC filing
- 19 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- By: Robyn B. Martin For: POA for Air A. Bastarrica, Jr.
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Poa Air A. Bastarrica Jr. filed Form 4 for Knowles Corp (KN) on 10 Feb 2026.
Change
- Previous filing in this sequence was filed on 10 Feb 2026.
- Current net transaction value: -$791,387.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001745084
Primary reporting owner
Bastarrica Air A. Jr.
- Relationship
- Vice President, Controller
- Address
- 1151 MAPLEWOOD DRIVE, ITASCA
- Signature
- By: Robyn B. Martin For: POA for Air A. Bastarrica, Jr.
- Signature date
- 10 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KN
transaction
Common Stock
Sale
- Transaction value
- $65,253
- Shares
- -2,433
- Change %
- -4%
- Price
- $26.82
- Shares after
- 57,767
- Date
- 09 Feb 2026
- Ownership
- Direct
KN
transaction
Common Stock
Sale
- Transaction value
- $255,917
- Shares
- -9,567
- Change %
- -17%
- Price
- $26.75
- Shares after
- 48,200
- Date
- 09 Feb 2026
- Ownership
- Direct
KN
transaction
Common Stock
Options Exercise
- Transaction value
- $252,073
- Shares
- +11,924
- Change %
- +25%
- Price
- $21.14
- Shares after
- 60,124
- Date
- 09 Feb 2026
- Ownership
- Direct
KN
transaction
Common Stock
Tax liability
- Transaction value
- $280,681
- Shares
- -10,304
- Change %
- -17%
- Price
- $27.24
- Shares after
- 49,820
- Date
- 09 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
KN
transaction
Common Stock
Options Exercise
- Transaction value
- $167,746
- Shares
- +8,143
- Change %
- +16%
- Price
- $20.60
- Shares after
- 57,963
- Date
- 09 Feb 2026
- Ownership
- Direct
KN
transaction
Common Stock
Tax liability
- Transaction value
- $189,536
- Shares
- -6,958
- Change %
- -12%
- Price
- $27.24
- Shares after
- 51,005
- Date
- 09 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
KN
transaction
Derivative
Non-Qualified Stock Option (right to buy)
Options Exercise
- Transaction value
- $167,746
- Shares
- -8,143
- Change %
- -100%
- Price
- $20.60
- Shares after
- 0
- Date
- 09 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 8,143
- Exercise price
- $20.60
- Footnotes
- F2
KN
transaction
Derivative
Non-Qualified Stock Option (right to buy)
Options Exercise
- Transaction value
- $252,073
- Shares
- -11,924
- Change %
- -100%
- Price
- $21.14
- Shares after
- 0
- Date
- 09 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 11,924
- Exercise price
- $21.14
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
These shares represent the payment of the option exercise price and tax liability by withholding securities.
Footnote 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.