Kadant (KAI) director Erin Russell gains 129 shares through 2026 RSU vesting

Q: What happened to Erin L. Russell’s restricted stock units in the Kadant (KAI) filing?

The filing shows 129 restricted stock units converted into 129 shares of common stock as a partial vesting. A remaining balance of 384 restricted stock units continues outstanding under the same award agreement.

Q: Was Erin L. Russell’s Kadant (KAI) Form 4 transaction an open-market purchase or sale?

No. The Form 4 describes an exercise or conversion of a derivative security , where restricted stock units vested into common shares at $0.00 per share . It was a compensation-related equity vesting, not an open-market trade.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Kadant Inc. director Erin L. Russell exercised a restricted stock unit award, receiving 129 shares of common stock on April 4, 2026 through the conversion of 129 restricted stock units at $0.00 per share under the award terms.

After this transaction, Russell directly holds 3,326 shares of Kadant common stock and 384 restricted stock units. According to the award agreement, the remaining units vest in equal installments on the last day of each of Kadant’s fiscal quarters in 2026, as long as Russell continues to serve as a director.

Insider Trade Summary

129 shares exercised/converted

Mixed 2 txns

Insider Russell Erin L

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	129	$0.00	--
Exercise	Common Stock	129	$0.00	--

Holdings After Transaction: Restricted Stock Unit — 384 shares (Direct); Common Stock — 3,326 shares (Direct)

Footnotes (1)

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Key Figures

RSUs exercised: 129 units/shares Exercise price: $0.00 per share Common shares held after: 3,326 shares +3 more

6 metrics

RSUs exercised 129 units/shares Restricted stock units converted to common stock on April 4, 2026

Exercise price $0.00 per share Price per share for RSU conversion to common stock

Common shares held after 3,326 shares Direct Kadant common stock holdings after the transaction

RSUs remaining 384 units Restricted stock units outstanding following partial vesting

RSU expiration January 31, 2027 Expiration date for the RSU award reported as derivative security

Vesting schedule year 2026 Remaining RSUs vest quarterly in 2026 if directorship continues

Key Terms

Restricted Stock Unit, derivative security, vesting, fiscal quarters

4 terms

Restricted Stock Unit financial

"Represents partial vesting of a restricted stock unit award on April 4, 2026"

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.

derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

vesting financial

"Represents partial vesting of a restricted stock unit award on April 4, 2026"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

fiscal quarters financial

"remainder of the shares vest in equal installments on the last day of each of the Issuer's fiscal quarters in 2026"

Form 4 Insider Transactions: What Each Field Means →

04/06/2026 - 08:30 AM

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^*

Russell Erin L

(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)
04/04/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	04/04/2026		M		129	A	⁽¹⁾	3,326	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit	$0	04/04/2026		M			129	⁽¹⁾	01/31/2027	Common Stock	129	⁽¹⁾	384	D

Explanation of Responses:

1. Represents partial vesting of a restricted stock unit award on April 4, 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 in equal installments on the last day of each of the Issuer's fiscal quarters in 2026 provided the recipient continues to serve as a director of the Issuer.

Remarks:

	/s/ Stacy D. Krause, by power of attorney	04/06/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did Kadant (KAI) director Erin L. Russell report in this Form 4?

Erin L. Russell reported exercising a restricted stock unit award for 129 shares of Kadant common stock on April 4, 2026. The shares were delivered at $0.00 per share as part of her director equity compensation arrangement.

How many Kadant (KAI) shares does Erin L. Russell hold after this transaction?

After the April 4, 2026 transaction, Erin L. Russell directly holds 3,326 shares of Kadant common stock. This reflects the addition of 129 shares from the vested restricted stock units reported in the Form 4 filing.

What happened to Erin L. Russell’s restricted stock units in the Kadant (KAI) filing?

The filing shows 129 restricted stock units converted into 129 shares of common stock as a partial vesting. A remaining balance of 384 restricted stock units continues outstanding under the same award agreement.

How and when will the remaining Kadant (KAI) restricted stock units vest for Erin L. Russell?

According to the footnote, the remaining restricted stock units vest in equal installments on the last day of each of Kadant’s fiscal quarters in 2026, provided Russell continues to serve as a director of the company.

Was Erin L. Russell’s Kadant (KAI) Form 4 transaction an open-market purchase or sale?

No. The Form 4 describes an exercise or conversion of a derivative security, where restricted stock units vested into common shares at $0.00 per share. It was a compensation-related equity vesting, not an open-market trade.