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Signature
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/s/ Daniel S. Kelly, Attorney-in-Fact for Mark F. Lamps
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Issuer symbol
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ATKR
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Transactions as of
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17 Feb 2026
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Net transactions value
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-$65,780
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Form type
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4
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Filing time
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17 Feb 2026, 17:27:53 UTC
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 |
17 Feb 2026 |
0001769052 |
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| transaction |
ATKR |
Common Stock |
Sale |
$65,780 |
-1,000 |
-2.7% |
$65.78 |
35,982 |
17 Feb 2026 |
Direct |
F1, F2 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
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).
Explanation of Responses: