[Form 4] Atkore Inc. Insider Trading Activity

Rhea-AI Filing Summary

Mark F. Lamps, an officer at Atkore Inc. (ATKR), reported an acquisition of 51.2907 common stock units on 08/29/2025 that were recorded at $0 and represent dividend equivalent units accrued on unvested restricted stock units (RSUs). After the reported transaction his beneficial ownership is shown as 31,924.126 shares/units, which includes unvested RSUs and accrued dividend equivalents. The filing was submitted by an attorney-in-fact on behalf of the reporting person. No derivative transactions or prices other than the $0 dividend-equivalent accrual are reported.

Positive

• Beneficial ownership disclosed: Reporting shows 31,924.126 shares/units beneficially owned including unvested RSUs, increasing transparency.
• Acquisition documented: 51.2907 dividend-equivalent units were recorded, reflecting compensation accruals for the executive.

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine executive compensation accruals increased reported beneficial ownership modestly; no sale or cash purchase occurred.

The Form 4 documents an accrual of dividend-equivalent units tied to unvested RSUs for an executive, recorded as an acquisition at $0. This is a common administrative entry reflecting compensation accounting rather than an open-market purchase or sale. The filing shows total beneficial ownership including unvested awards, which is useful for monitoring executive alignment with shareholders but is not a liquidity or control change.

Securities Analyst

TL;DR: Transaction is compensation-related and non-cash; it does not change outstanding public float or signal disposition.

The reported 51.2907 units are dividend-equivalent credits on RSUs and were recorded with a $0 price, indicating accrual rather than market activity. The aggregate beneficial ownership of 31,924.126 units includes unvested awards. No derivative exercises, option grants, or cash purchases/sales are disclosed here, so immediate market impact is likely minimal.

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^*

Lamps Mark F.

(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)
	Pres. Safety & Infrastructure

3. Date of Earliest Transaction (Month/Day/Year)
08/29/2025

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	08/29/2025		A		51.2907(1)	A	$0	31,924.126(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 restricted stock units ("RSUs").

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 Mark F. Lamps	09/03/2025
	** 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 transaction did Atkore insider Mark F. Lamps report on Form 4 (ATKR)?

The Form 4 reports an acquisition of 51.2907 common stock units at a recorded price of $0, representing dividend equivalents on unvested RSUs.

How many shares/units does Mark F. Lamps beneficially own after the reported transaction?

The filing shows beneficial ownership of 31,924.126 shares/units, which includes unvested RSUs and accrued dividend equivalents.

Was the transaction a market purchase or sale?

No. The entry represents dividend-equivalent accruals on unvested RSUs recorded at $0, not an open-market purchase or sale.

Does the Form 4 disclose any derivative transactions or option exercises by Mark F. Lamps?

No derivative securities, exercises, or option transactions are reported in Table II of this Form 4.

Who signed the Form 4 filing for Mark F. Lamps?

The Form 4 was submitted and signed by an attorney-in-fact on behalf of the reporting person.