Key facts
- This page summarizes Fredrik H. Westerhout's Form 4 filing for KADANT INC (KAI).
- 18 reported transactions and 6 derivative rows are listed below.
- Accepted by SEC: 12 Mar 2026, 07:23.
Fredrik H. Westerhout - 10 Mar 2026 Form 4 Insider Report for KADANT INC (KAI)
- Reporting relationship
- Vice President
- Issuer ticker
- KAI
- Reported as of
- 10 Mar 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 12 Mar 2026, 07:23:33 UTC
- Prior SEC filing
- 10 Mar 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Stacy D. Krause, by power of attorney
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Fredrik H. Westerhout filed Form 4 for KADANT INC (KAI) on 12 Mar 2026.
Change
- Previous filing in this sequence was filed on 10 Mar 2025.
- Current net transaction value: $0.
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 0001892353
Primary reporting owner
Westerhout Fredrik H
- Relationship
- Vice President
- Address
- KADANT INC., ONE TECHNOLOGY PARK DRIVE, WESTFORD
- Signature
- /s/ Stacy D. Krause, by power of attorney
- Signature date
- 12 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +583
- Change %
- +25%
- Price
- Shares after
- 2,879
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -289
- Change %
- -10%
- Price
- $334.17*
- Shares after
- 2,590
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +111
- Change %
- +4.3%
- Price
- Shares after
- 2,701
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F2
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -55
- Change %
- -2%
- Price
- $334.17*
- Shares after
- 2,646
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +438
- Change %
- +17%
- Price
- Shares after
- 3,084
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F3
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -217
- Change %
- -7%
- Price
- $334.17*
- Shares after
- 2,867
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +105
- Change %
- +3.7%
- Price
- Shares after
- 2,972
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F4
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -52
- Change %
- -1.7%
- Price
- $334.17*
- Shares after
- 2,920
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +311
- Change %
- +11%
- Price
- Shares after
- 3,231
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F5
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -154
- Change %
- -4.8%
- Price
- $334.17*
- Shares after
- 3,077
- Date
- 10 Mar 2026
- Ownership
- Direct
KAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +81
- Change %
- +2.6%
- Price
- Shares after
- 3,158
- Date
- 10 Mar 2026
- Ownership
- Direct
- Footnotes
- F6
KAI
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -41
- Change %
- -1.3%
- Price
- $334.17*
- Shares after
- 3,117
- Date
- 10 Mar 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -583
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 583
- Exercise price
- $0.000000
- Footnotes
- F1
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -111
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 111
- Exercise price
- $0.000000
- Footnotes
- F2
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -438
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 438
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 438
- Exercise price
- $0.000000
- Footnotes
- F3
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -105
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 104
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 105
- Exercise price
- $0.000000
- Footnotes
- F4
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -311
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 620
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 311
- Exercise price
- $0.000000
- Footnotes
- F5
KAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -81
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 162
- Date
- 10 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 81
- Exercise price
- $0.000000
- Footnotes
- F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 6 footnotes
Footnote F1
The shares represent the partial settlement under a performance-based RSU award granted March 7, 2023. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F2
The shares represent the partial settlement under a time-based RSU award granted March 7, 2023. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F3
The shares represent the partial settlement under a performance-based RSU award granted March 6, 2024. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F4
The shares represent the partial settlement under a time-based RSU award granted March 6, 2024. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F5
The shares represent the partial settlement under a performance-based RSU award granted March 4, 2025. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.
Footnote F6
The shares represent the partial settlement under a time-based RSU award granted March 4, 2025. One-third of the RSU vested and became distributable on March 10, 2026 and was converted to common stock on a one-for-one basis on the vesting date.