Atkore (ATKR) director Scott Muse logs RSU dividend equivalents

Rhea-AI Filing Summary

Atkore Inc. director Scott H. Muse reported a routine equity adjustment related to his existing stock-based awards. On 12/17/2025, he acquired 130.7386 shares of common stock at a price of $0, representing dividend equivalent units that accrued on his unvested or deferred restricted stock units (RSUs). After this transaction, he beneficially owned 30,111.1375 shares, including unvested or deferred RSUs and additional amounts accrued as dividend equivalent units. The holdings are reported as directly owned.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider MUSE SCOTT H

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	130.739	$0.00	--

Holdings After Transaction: Common Stock — 30,111.138 shares (Direct)

Footnotes (1)

1. Represents dividend equivalent units accrued on unvested or deferred restricted stock units ("RSUs"). Includes unvested or deferred restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Form 4 Insider Transactions: What Each Field Means →

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^*

MUSE SCOTT H

(Last) (First) (Middle)

16100 SOUTH LATHROP AVENUE

(Street)

HARVEY IL 60426

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Atkore Inc. [ ATKR ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/17/2025

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	12/17/2025		A		130.7386(1)	A	$0	30,111.1375(2)	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

Explanation of Responses:

1. Represents dividend equivalent units accrued on unvested or deferred restricted stock units ("RSUs").

2. Includes unvested or deferred restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Remarks:

	/s/ Daniel S. Kelly, Attorney-in-Fact for Scott H. Muse	12/19/2025
	** 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.

FAQ

What insider transaction did Atkore (ATKR) report in this Form 4?

A director, Scott H. Muse, reported acquiring 130.7386 shares of Atkore common stock on 12/17/2025, tied to his existing restricted stock units.

What is the nature of the shares reported by the Atkore (ATKR) director?

The reported shares represent dividend equivalent units accrued on unvested or deferred restricted stock units (RSUs), not an open-market stock purchase.

Did the Atkore (ATKR) director pay cash for the newly acquired shares?

No. The 130.7386 shares were acquired at a reported price of $0 as dividend equivalent units associated with existing RSUs.

How many Atkore (ATKR) shares does the director beneficially own after this transaction?

Following the reported transaction, the director beneficially owns 30,111.1375 shares of Atkore common stock, including unvested or deferred RSUs and related dividend equivalents.

What role does the reporting person hold at Atkore (ATKR)?

The reporting person, Scott H. Muse, is identified as a Director of Atkore Inc.

Is this Atkore (ATKR) Form 4 filed for one insider or multiple insiders?

This Form 4 is indicated as being filed by one reporting person, not a group filing.