Mark F. Lamps - 11 Nov 2025 Form 4 Insider Report for Atkore Inc. (ATKR)

Signature
/s/ Daniel S. Kelly, Attorney-in-Fact for Mark F. Lamps
Issuer symbol
ATKR
Transactions as of
11 Nov 2025
Net transactions value
-$25,849
Form type
4
Filing time
13 Nov 2025, 17:49:45 UTC
Previous filing
03 Sep 2025
Next filing
17 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lamps Mark F. Pres. Safety & Infrastructure 16100 S. LATHROP AVENUE, HARVEY /s/ Daniel S. Kelly, Attorney-in-Fact for Mark F. Lamps 13 Nov 2025 0001769052

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATKR Common Stock Tax liability $25,849 -397 -1.2% $65.11 31,527 11 Nov 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.
F2 Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.