ATKR CFO reports 10,299.1761 shares beneficially owned

Rhea-AI Filing Summary

Atkore (ATKR) reported an insider transaction by VP, CFO John M. Deitzer. On 11/11/2025, the executive had 136 shares of common stock withheld (Transaction Code F) at $65.11 per share to cover taxes upon the vesting of restricted stock units under Rule 16b-3. Following the transaction, the officer directly beneficially owned 10,299.1761 shares.

The filing notes that reported holdings include unvested RSUs and dividend equivalent units accrued on such RSUs.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Deitzer John Michael

Role VP, CFO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	136	$65.11	$9K

Holdings After Transaction: Common Stock — 10,299.176 shares (Direct)

Footnotes (1)

1. Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3. Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

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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^*

Deitzer John Michael

(Last) (First) (Middle)

16100 S. 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/11/2025

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	11/11/2025		F		136(1)	D	$65.11	10,299.1761(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. Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

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

Remarks:

	/s/ Daniel S. Kelly, Attorney-in-Fact for John M. Deitzer	11/13/2025
	** 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 did ATKR’s CFO report on Form 4?

A tax withholding event: 136 shares were withheld (Code F) upon RSU vesting on 11/11/2025.

What price was used for the withheld ATKR shares?

The shares were reported at $65.11 per share.

How many ATKR shares does the CFO own after the transaction?

Direct beneficial ownership was reported as 10,299.1761 shares.

Was this an open-market sale of ATKR stock?

No. Code F indicates shares were withheld to satisfy tax obligations on vested RSUs.

Does the reported ownership include RSUs?

Yes. It includes unvested RSUs and dividend equivalent units accrued on those RSUs.

Who is the ATKR insider named in this filing?

VP, CFO John M. Deitzer of Atkore Inc.