Kadant VP exercises RSUs, updates holdings

KADANT INC Vice President Fredrik H. Westerhout reported routine equity compensation activity involving restricted stock units that vested into common shares.

Accepted by SEC EDGAR 03/12/2026 - 07:23 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

KADANT INC Vice President Fredrik H. Westerhout reported routine equity compensation activity involving restricted stock units that vested into common shares. On March 10, 2026, he exercised or converted derivative awards covering 1,629 shares of common stock at an exercise price of $0.00 per share.

To cover tax obligations, the company withheld 808 common shares at a price of $334.17 per share, recorded as tax-withholding dispositions rather than market sales. Following these transactions, Westerhout directly held 3,117 shares of Kadant common stock.

Insider Trade Summary

1,629 shares exercised/converted

Exercise 18 txns

Insider Westerhout Fredrik H

Role Vice President

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	583	$0.00	$0.00
Exercise	Restricted Stock Unit	111	$0.00	$0.00
Exercise	Restricted Stock Unit	438	$0.00	$0.00
Exercise	Restricted Stock Unit	105	$0.00	$0.00
Exercise	Restricted Stock Unit	311	$0.00	$0.00
Exercise	Restricted Stock Unit	81	$0.00	$0.00
Exercise	Common Stock	583	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	289	$334.17	$97K
Exercise	Common Stock	111	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	55	$334.17	$18K
Exercise	Common Stock	438	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	217	$334.17	$73K
Exercise	Common Stock	105	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	52	$334.17	$17K
Exercise	Common Stock	311	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	154	$334.17	$51K
Exercise	Common Stock	81	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	41	$334.17	$14K

Holdings After Transaction: Restricted Stock Unit — 1,324 contracts (Direct); Common Stock — 3,117 shares (Direct)

Holdings Before and After: Restricted Stock Unit, 2,953 to 1,324 contracts (Direct); Common Stock, 2,296 to 3,117 shares (Direct)

Footnotes (6)

1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did KADANT INC (KAI) report for Fredrik H. Westerhout?

KADANT INC reported that Vice President Fredrik H. Westerhout exercised or converted restricted stock units into 1,629 common shares. These transactions reflect vesting of performance-based and time-based RSU awards granted between 2023 and 2025, settling on a one-for-one basis into common stock.

How many Kadant (KAI) shares were withheld for taxes in this Form 4?

The filing shows 808 common shares were disposed of through tax withholding at $334.17 per share. These F-code transactions are payments of tax obligations in stock, not open-market sales, and accompany the vesting and settlement of restricted stock unit awards.

How many Kadant (KAI) shares does Fredrik Westerhout hold after these transactions?

After the reported RSU settlements and tax withholding, Fredrik H. Westerhout directly holds 3,117 shares of Kadant common stock. This reflects his updated equity position following the March 10, 2026 vesting of multiple performance-based and time-based restricted stock unit grants.

What types of equity awards vested for KADANT INC (KAI) in this Form 4?

The transactions involve partial settlements of both performance-based and time-based restricted stock unit awards. One-third of each RSU grant from March 2023, March 2024, and March 2025 vested on March 10, 2026 and converted into common stock one-for-one.

Were there any open-market stock sales by Fredrik Westerhout in this KAI Form 4?

The Form 4 does not report any open-market purchases or sales. Dispositions are all F-code entries, meaning 808 shares were withheld to satisfy tax liabilities related to RSU vesting, rather than being sold into the public market for cash.

What does the M transaction code mean in KADANT INC (KAI) Vice President’s Form 4?

The M code in this Form 4 represents the exercise or conversion of derivative securities, here restricted stock units. It indicates that 1,629 underlying Kadant common shares were delivered upon vesting of RSU awards, rather than an open-market stock purchase.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Westerhout Fredrik H

(Last) (First) (Middle)

KADANT INC.

ONE TECHNOLOGY PARK DRIVE

(Street)

WESTFORD MA 01886

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
KADANT INC [ KAI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Vice President

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/10/2026		M		583	A	(1)	2,879	D
Common Stock	03/10/2026		F		289	D	$334.17	2,590	D
Common Stock	03/10/2026		M		111	A	(2)	2,701	D
Common Stock	03/10/2026		F		55	D	$334.17	2,646	D
Common Stock	03/10/2026		M		438	A	(3)	3,084	D
Common Stock	03/10/2026		F		217	D	$334.17	2,867	D
Common Stock	03/10/2026		M		105	A	(4)	2,972	D
Common Stock	03/10/2026		F		52	D	$334.17	2,920	D
Common Stock	03/10/2026		M		311	A	(5)	3,231	D
Common Stock	03/10/2026		F		154	D	$334.17	3,077	D
Common Stock	03/10/2026		M		81	A	(6)	3,158	D
Common Stock	03/10/2026		F		41	D	$334.17	3,117	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	$0	03/10/2026		M			583	(1)	04/30/2026	Common Stock	583	$0	0	D
Restricted Stock Unit	$0	03/10/2026		M			111	(2)	04/30/2026	Common Stock	111	$0	0	D
Restricted Stock Unit	$0	03/10/2026		M			438	(3)	04/30/2027	Common Stock	438	$0	438	D
Restricted Stock Unit	$0	03/10/2026		M			105	(4)	04/30/2027	Common Stock	105	$0	104	D
Restricted Stock Unit	$0	03/10/2026		M			311	(5)	04/30/2028	Common Stock	311	$0	620	D
Restricted Stock Unit	$0	03/10/2026		M			81	(6)	04/30/2028	Common Stock	81	$0	162	D

Explanation of Responses:

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

Remarks:

	/s/ Stacy D. Krause, by power of attorney	03/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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