Kadant director Jonathan Painter receives 128 shares

The remaining award shares vest on the last day of Kadant Inc.’s fourth quarter in fiscal 2026, provided Painter continues to serve as a director.

Rhea-AI Filing Summary

Kadant Inc. director Jonathan W. Painter had 128 restricted stock units partially vest on October 3, 2026, with 128 common shares delivered under the award. His direct common-stock holdings following the transaction were 9,133 shares; 3 common shares were held indirectly by his son. The restricted stock unit award agreement is dated March 11, 2026.

Insider Trade Summary

128 shares exercised/converted

Exercise 3 txns

Insider Painter Jonathan W

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit F1	128	$0.00	$0.00
Exercise	Common Stock F1	128	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit — 128 contracts (Direct); Common Stock — 9,133 shares (Direct); Common Stock — 3 shares (Indirect, By Son)

Footnotes (1)

1. F1. Represents partial vesting of a restricted stock unit award on October 3, 2026 and delivery of shares of the reporting person pursuant to the terms of a restricted stock unit award agreement dated March 11, 2026. The remainder of the shares vest on the last day of the Issuer's fourth quarter in fiscal 2026 provided the recipient continues to serve as a director of the Issuer.

Key Figures

Restricted stock units partially vested: 128 units Common shares delivered: 128 shares Direct common shares following transaction: 9,133 shares +1 more

4 metrics

Restricted stock units partially vested 128 units October 3, 2026

Common shares delivered 128 shares October 3, 2026

Direct common shares following transaction 9,133 shares Following the October 3, 2026 transaction

Common shares held indirectly by son 3 shares Listed as of October 3, 2026

Key Terms

restricted stock unit, partial vesting, award agreement

3 terms

restricted stock unit financial

"partial vesting of a restricted stock unit award"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

partial vesting financial

"Represents partial vesting of a restricted stock unit award"

award agreement financial

"pursuant to the terms of a restricted stock unit award agreement"

An award agreement is a legal contract that spells out the terms of a pay or equity grant—such as stock options, restricted shares, or cash bonuses—given to an employee, director or consultant. It describes what is being granted, any conditions for keeping it (for example, earning it over time or meeting performance targets), and what happens if the person leaves or breaks rules. Investors care because these agreements affect company costs, potential share dilution and how executives are motivated and rewarded.

FAQ

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

When do Jonathan W. Painter’s remaining KAI RSUs vest?

The remaining shares vest on the last day of Kadant Inc.’s fourth quarter in fiscal 2026, provided the recipient continues to serve as a director.

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

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Available on EDGAR 10/05/2026 - 09:01 AM Accepted by SEC EDGAR 10/05/2026 - 09:01 AM Learn about SEC filing dates

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^*

Painter Jonathan W

(Last) (First) (Middle)

KADANT INC.

ONE TECHNOLOGY PARK DRIVE

(Street)

WESTFORD MASSACHUSETTS 01886

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

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

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

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

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

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	10/03/2026		M		128	A	(1)	9,133	D
Common Stock								3	I	By Son

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	10/03/2026		M			128	(1)	01/31/2027	Common Stock	128	$0	128	D

Explanation of Responses:

1. Represents partial vesting of a restricted stock unit award on October 3, 2026 and delivery of shares of the reporting person pursuant to the terms of a restricted stock unit award agreement dated March 11, 2026. The remainder of the shares vest on the last day of the Issuer's fourth quarter in fiscal 2026 provided the recipient continues to serve as a director of the Issuer.

Remarks:

	/s/ Stacy D. Krause, by power of attorney	10/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)