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$ Value

$0

Shares

8,043

Price

$0

Filed

Nov 19

Insider

Name

Lamps Mark F.

Title

Pres. Safety & Infrastructure

CIK

0001769052

Roles

Officer

Transaction Details

Transaction Date

2025-11-17

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

37,966

Footnotes

Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 17, 2025, subject to continued employment. The RSUs settle into common stock of the Issuer no later than March 15th of the calendar year immediately following the calendar year in which vesting occurs. | Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs. | Securities withheld to pay withholding taxes on vested restricted stock units ("RSUs") exempt under Rule 16b-3.

Filing Info

Accession No.

0001769052-25-000012

Form Type

4

Issuer CIK

0001666138

Lamps Mark F.'s History

Date Ticker Type Value
2026-02-27 ATKR A $0
2026-02-17 ATKR $66K
2025-12-17 ATKR A $0
2025-11-18 ATKR F $69K
2025-11-17 ATKR $65K
2025-11-17 ATKR A $0
2025-11-13 ATKR F $39K
2025-11-11 ATKR F $26K
2025-08-29 ATKR A $0
2025-08-15 ATKR $59K

Other Insiders at ATKR (90d)

Insider Bought Sold Last
SCHROCK MICHAEL V 2026-02-27
Isbell Jeri L 2026-02-27
MUSE SCOTT H 2026-02-27
WYNN BETTY R. 2026-02-27
Zeffiro A Mark 2026-02-27
Kelly Daniel S
VP, General Counsel and Sec.
2026-02-27
Waltz William E Jr.
President and CEO
2026-02-27
James Wilbert W Jr 2026-02-27
Kershaw Justin A 2026-02-27
Edwards Barbara Joanne 2026-02-27
Lamps Mark F.
Pres. Safety & Infrastructure
$66K 2026-02-27
Lowe LeAngela W.
VP, Chief HR Officer
2026-02-27
Pregenzer John W
COO & President, Electrical
2026-02-27
Edmonds Franklin S. Jr. 2026-02-27
Alvey James William
Chief Accounting Officer
2026-02-27
Deitzer John Michael
VP, CFO
2026-02-27