Key facts
- This page summarizes PERNA ROBERT J's Form 4 filing for Knowles Corp (KN).
- 8 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 29 Jul 2025, 18:14.
PERNA ROBERT J - 20 Mar 2025 Form 4 Insider Report for Knowles Corp (KN)
- Reporting relationship
- SVP, General Counsel & Sec
- Issuer ticker
- KN
- Reported as of
- 20 Mar 2025
- Net transaction value
- -$1,149,116
- SEC form
- 4
- Accepted by SEC
- 29 Jul 2025, 18:14:41 UTC
- Prior SEC filing
- 26 Feb 2025
- Next SEC filing
- 10 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- By: Robyn B. Martin For: Robert J. Perna
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
PERNA ROBERT J filed Form 4 for Knowles Corp (KN) on 29 Jul 2025.
Change
- Previous filing in this sequence was filed on 26 Feb 2025.
- Current net transaction value: -$1,149,116.
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 0001181355
Primary reporting owner
PERNA ROBERT J
- Relationship
- SVP, General Counsel & Sec
- Address
- 1151 MAPLEWOOD DRIVE, ITASCA
- Signature
- By: Robyn B. Martin For: Robert J. Perna
- Signature date
- 29 Jul 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KN
transaction
Common Stock
Gift
- Transaction value
- Shares
- -9,221
- Change %
- -12%
- Price
- Shares after
- 66,552
- Date
- 20 Mar 2025
- Ownership
- Direct
- Footnotes
- F1
KN
transaction
Common Stock
Options Exercise
- Transaction value
- $464,626
- Shares
- +26,718
- Change %
- +40%
- Price
- $17.39
- Shares after
- 93,270
- Date
- 28 Jul 2025
- Ownership
- Direct
KN
transaction
Common Stock
Sale
- Transaction value
- $546,982
- Shares
- -26,718
- Change %
- -29%
- Price
- $20.47
- Shares after
- 66,552
- Date
- 28 Jul 2025
- Ownership
- Direct
KN
transaction
Common Stock
Options Exercise
- Transaction value
- $493,239
- Shares
- +29,412
- Change %
- +44%
- Price
- $16.77
- Shares after
- 95,964
- Date
- 28 Jul 2025
- Ownership
- Direct
KN
transaction
Common Stock
Sale
- Transaction value
- $602,134
- Shares
- -29,412
- Change %
- -31%
- Price
- $20.47
- Shares after
- 66,552
- Date
- 28 Jul 2025
- Ownership
- Direct
KN
transaction
Common Stock
Gift
- Transaction value
- Shares
- +9,221
- Change %
- Price
- Shares after
- 9,221
- Date
- 20 Mar 2025
- Ownership
- by Trust
- 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
- $493,239
- Shares
- -29,412
- Change %
- -100%
- Price
- $16.77
- Shares after
- 0
- Date
- 28 Jul 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 29,412
- Exercise price
- $16.77
KN
transaction
Derivative
Non-Qualified Stock Option (right to buy)
Options Exercise
- Transaction value
- $464,626
- Shares
- -26,718
- Change %
- -100%
- Price
- $17.39
- Shares after
- 0
- Date
- 28 Jul 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 26,718
- Exercise price
- $17.39
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Not applicable to this transaction