Michael C. Colwell - 10 Mar 2026 Form 4 Insider Report for KADANT INC (KAI)

Role
Senior 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, 07:35:01 UTC
Previous filing
10 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Colwell Michael C. Senior Vice President KADANT INC., ONE TECHNOLOGY PARK DRIVE, WESTFORD /s/ Stacy D. Krause, by power of attorney 12 Mar 2026 0001781018

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KAI Common Stock Options Exercise +583 +19% 3,639 10 Mar 2026 Direct F1
transaction KAI Common Stock Tax liability -265 -7.3% $334.17* 3,374 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +111 +3.3% 3,485 10 Mar 2026 Direct F2
transaction KAI Common Stock Tax liability -51 -1.5% $334.17* 3,434 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +438 +13% 3,872 10 Mar 2026 Direct F3
transaction KAI Common Stock Tax liability -199 -5.1% $334.17* 3,673 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +105 +2.9% 3,778 10 Mar 2026 Direct F4
transaction KAI Common Stock Tax liability -48 -1.3% $334.17* 3,730 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +313 +8.4% 4,043 10 Mar 2026 Direct F5
transaction KAI Common Stock Tax liability -142 -3.5% $334.17* 3,901 10 Mar 2026 Direct
transaction KAI Common Stock Options Exercise +82 +2.1% 3,983 10 Mar 2026 Direct F6
transaction KAI Common Stock Tax liability -38 -0.95% $334.17* 3,945 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 -313 -33% $0.000000* 626 10 Mar 2026 Common Stock 313 $0.000000 Direct F5
transaction KAI Restricted Stock Unit Options Exercise -82 -34% $0.000000* 162 10 Mar 2026 Common Stock 82 $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 perfomance-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.