Fredrik H. Westerhout - 10 Mar 2026 Form 4 Insider Report for KADANT INC (KAI)

Role
Vice President
Signature
/s/ Stacy D. Krause, by power of attorney
Issuer symbol
KAI
Transactions as of
10 Mar 2026
Net transactions value
$0
Form type
4
Filing time
12 Mar 2026, 07:23:33 UTC
Previous filing
10 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Westerhout Fredrik H Vice President KADANT INC., ONE TECHNOLOGY PARK DRIVE, WESTFORD /s/ Stacy D. Krause, by power of attorney 12 Mar 2026 0001892353

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KAI Common Stock Options Exercise +583 +25% 2,879 10 Mar 2026 Direct F1
transaction KAI Common Stock Tax liability -289 -10% $334.17* 2,590 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +111 +4.3% 2,701 10 Mar 2026 Direct F2
transaction KAI Common Stock Tax liability -55 -2% $334.17* 2,646 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +438 +17% 3,084 10 Mar 2026 Direct F3
transaction KAI Common Stock Tax liability -217 -7% $334.17* 2,867 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +105 +3.7% 2,972 10 Mar 2026 Direct F4
transaction KAI Common Stock Tax liability -52 -1.7% $334.17* 2,920 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +311 +11% 3,231 10 Mar 2026 Direct F5
transaction KAI Common Stock Tax liability -154 -4.8% $334.17* 3,077 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +81 +2.6% 3,158 10 Mar 2026 Direct F6
transaction KAI Common Stock Tax liability -41 -1.3% $334.17* 3,117 10 Mar 2026 Direct

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 KAI Restricted Stock Unit Options Exercise -583 -100% $0.000000* 0 10 Mar 2026 Common Stock 583 $0.000000 Direct F1
transaction KAI Restricted Stock Unit Options Exercise -111 -100% $0.000000* 0 10 Mar 2026 Common Stock 111 $0.000000 Direct F2
transaction KAI Restricted Stock Unit Options Exercise -438 -50% $0.000000* 438 10 Mar 2026 Common Stock 438 $0.000000 Direct F3
transaction KAI Restricted Stock Unit Options Exercise -105 -50% $0.000000* 104 10 Mar 2026 Common Stock 105 $0.000000 Direct F4
transaction KAI Restricted Stock Unit Options Exercise -311 -33% $0.000000* 620 10 Mar 2026 Common Stock 311 $0.000000 Direct F5
transaction KAI Restricted Stock Unit Options Exercise -81 -33% $0.000000* 162 10 Mar 2026 Common Stock 81 $0.000000 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.
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.
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.
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.
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.
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.