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Lamps Mark F.

Disclosed activity across 1 company

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18405
SEC CIK
0001769052

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Atkore Inc.ATKR · Entity 4197Pres. Safety & InfrastructureAugust 28, 2026August 31, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Atkore Inc.

Report date August 28, 2026 · Filed August 31, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect35,849.8057 Reported balance After 2026-08-28 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-08-28 · Grant · Acquired 47.2682 · Balance 35,849.8057

F1: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Filing footnotes · ownership attribution and instrument terms

F1: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 28, 2026 Filed Aug 31, 2026 22:09 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 47.2682 $0.00 $0.00
Disclosure

SEC source: 0001769052-26-000009 · wk-form4_1788214189.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,849.8057

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
August 10, 2026 Filed Aug 10, 2026 21:06 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 300 $93.75 $28,125.00
Disclosure

SEC source: 0001769052-26-000008 · wk-form4_1786395992.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,802.5375

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 11, 2026.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 21:03 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 53.2152 $0.00 $0.00
Disclosure

SEC source: 0001769052-26-000006 · wk-form4_1780434192.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,102.5375

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 22:33 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 67.7544 $0.00 $0.00
Disclosure

SEC source: 0001769052-26-000004 · wk-form4_1772577218.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,049.3223

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
February 17, 2026 Filed Feb 17, 2026 22:27 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 1,000 $65.78 $65,780.00
Disclosure

SEC source: 0001769052-26-000002 · wk-form4_1771367270.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,981.5679

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2025.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
December 17, 2025 Filed Dec 19, 2025 23:14 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 68.4419 $0.00 $0.00
Disclosure

SEC source: 0001769052-25-000014 · wk-form4_1766186048.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,981.5679

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 18, 2025 Filed Nov 19, 2025 22:35 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 1,053 $65.10 $68,550.30
Disclosure

SEC source: 0001769052-25-000012 · wk-form4_1763591749.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,913.126

F3 · shares: Securities withheld to pay withholding taxes on vested restricted stock units ("RSUs") exempt under Rule 16b-3.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 17, 2025 Filed Nov 17, 2025 22:27 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 1,000 $64.75 $64,750.00
Disclosure

SEC source: 0001769052-25-000009 · wk-form4_1763418441.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,923.126

F3 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2025.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 22:35 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 8,043 $0.00 $0.00
Disclosure

SEC source: 0001769052-25-000012 · wk-form4_1763591749.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,966.126

F1 · shares: 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.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 13, 2025 Filed Nov 17, 2025 22:27 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 604 $64.83 $39,157.32
Disclosure

SEC source: 0001769052-25-000009 · wk-form4_1763418441.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,923.126

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 11, 2025 Filed Nov 13, 2025 22:49 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 397 $65.11 $25,848.67
Disclosure

SEC source: 0001769052-25-000006 · wk-form4_1763074181.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,527.126

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
August 29, 2025 Filed Sep 3, 2025 20:32 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 51.2907 $0.00 $0.00
Disclosure

SEC source: 0001666138-25-000178 · wk-form4_1756931531.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,924.126

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
August 15, 2025 Filed Aug 18, 2025 12:42 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 1,000 $59.37 $59,370.00
Disclosure

SEC source: 0001769052-25-000003 · wk-form4_1755520927.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,872.8353

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2025.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
May 28, 2025 Filed May 30, 2025 21:24 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 44.5597 $0.00 $0.00
Disclosure

SEC source: 0001666138-25-000129 · wk-form4_1748640123.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,872.8353

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
May 09, 2025 Filed May 9, 2025 20:54 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 1,000 $69.16 $69,160.00
Disclosure

SEC source: 0001666138-25-000112 · wk-form4_1746824053.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,828.2756

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2025.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
February 28, 2025 Filed Mar 3, 2025 22:56 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 46.5853 $0.00 $0.00
Disclosure

SEC source: 0001666138-25-000083 · wk-form4_1741042558.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,828.2756

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
February 10, 2025 Filed Feb 10, 2025 22:42 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 500 $65.00 $32,500.00
Disclosure

SEC source: 0001666138-25-000034 · wk-form4_1739227359.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,760.4265

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 13, 2024.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
December 16, 2024 Filed Dec 17, 2024 23:32 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 10.8118 $0.00 $0.00
Disclosure

SEC source: 0001666138-24-000212 · wk-form4_1734478320.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,260.4265

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
December 16, 2024 Filed Mar 3, 2025 22:50 UTC Amendment Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 32.0757 $0.00 $0.00
Disclosure

SEC source: 0001666138-25-000074 · wk-form4a_1741042196.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,281.6903

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · shares: This amendment to the Form 4 originally filed on December 17, 2024 is being filed to correct the number of dividend equivalent units accrued on unvested restricted stock units granted to the reporting person, which was inadvertently under-reported by 21.263820 shares due to a clerical error.

F3 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 18, 2024 Filed Nov 20, 2024 21:02 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 5,914 $0.00 $0.00
Disclosure

SEC source: 0001666138-24-000157 · wk-form4_1732136524.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,249.6147

F1 · shares: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 18, 2024, 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.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 16, 2024 Filed Nov 19, 2024 22:55 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 2,181 $88.97 $194,043.57
Disclosure

SEC source: 0001666138-24-000138 · wk-form4_1732056906.xml · nonDerivative · entry 3

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,335.6147

F4 · shares: Represents PSUs withheld to satisfy tax withholding obligations in connection with the vesting of PSUs described in footnote 3 above, exempt under Rule 16b-3.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 16, 2024 Filed Nov 19, 2024 22:55 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 4,164.7643 $0.00 $0.00
Disclosure

SEC source: 0001666138-24-000138 · wk-form4_1732056906.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,516.6147

F3 · price: Each performance restricted stock unit ("PSU") was granted on November 16, 2021 under the Atkore Inc. 2020 Omnibus Incentive Plan. The PSUs vested on November 16, 2024 upon the achievement of performance criteria established at the time of grant. The vested PSUs also include dividend equivalent units accrued throughout the performance period.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 16, 2024 Filed Nov 19, 2024 22:55 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 291 $88.97 $25,890.27
Disclosure

SEC source: 0001666138-24-000138 · wk-form4_1732056906.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,351.8504

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 13, 2024 Filed Nov 15, 2024 21:43 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 593 $92.48 $54,840.64
Disclosure

SEC source: 0001666138-24-000103 · wk-form4_1731707031.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,642.8504

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units ("RSUs") exempt under Rule 16b-3.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 11, 2024 Filed Nov 13, 2024 22:28 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 390 $95.73 $37,334.70
Disclosure

SEC source: 0001666138-24-000093 · wk-form4_1731536921.xml · nonDerivative · entry 5

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,235.8504

F4 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 11, 2024 Filed Nov 13, 2024 22:28 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 500 $96.55 $48,275.00
Disclosure

SEC source: 0001666138-24-000093 · wk-form4_1731536921.xml · nonDerivative · entry 4

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,625.8504

F3 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 13, 2024.

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
August 30, 2024 Filed Nov 13, 2024 22:28 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 18.1228 $0.00 $0.00
Disclosure

SEC source: 0001666138-24-000093 · wk-form4_1731536921.xml · nonDerivative · entry 3

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,125.8504

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
August 12, 2024 Filed Aug 12, 2024 20:59 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 500 $95.47 $47,735.00
Disclosure

SEC source: 0001666138-24-000071 · wk-form4_1723496374.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,086

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 13, 2024.

Read SEC document
May 31, 2024 Filed Nov 13, 2024 22:28 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 11.164 $0.00 $0.00
Disclosure

SEC source: 0001666138-24-000093 · wk-form4_1731536921.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,107.7276

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
May 14, 2024 Filed May 14, 2024 21:31 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 500 $157.67 $78,835.00
Disclosure

SEC source: 0001666138-24-000048 · wk-form4_1715722280.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,586

F1 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 13, 2024.

Read SEC document
March 15, 2024 Filed Nov 13, 2024 22:28 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 10.5636 $0.00 $0.00
Disclosure

SEC source: 0001666138-24-000093 · wk-form4_1731536921.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,096.5636

F1 · shares: Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs").

F2 · balance_after: Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.

Read SEC document
November 22, 2023 Filed Nov 22, 2023 21:34 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 5,008 $130.66 $654,350.79
Disclosure

SEC source: 0001666138-23-000139 · wk-form4_1700688840.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,086

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 25, 2022.

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore Inc. (the "Issuer") of sales that were executed at prices ranging from $129.98 to $131.75 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

Read SEC document
November 20, 2023 Filed Nov 20, 2023 22:34 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 138 $131.51 $18,148.38
Disclosure

SEC source: 0001666138-23-000125 · wk-form4_1700519649.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,895

F2 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 25, 2022.

Read SEC document
November 17, 2023 Filed Nov 22, 2023 00:18 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 9,014 $131.41 $1,184,529.74
Disclosure

SEC source: 0001666138-23-000134 · wk-form4_1700612315.xml · nonDerivative · entry 3

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,094

F3 · shares: Represents PSUs withheld to satisfy tax withholding obligations in connection with the vesting of PSUs described in footnote 2 above, exempt under Rule 16b-3.

Read SEC document
November 17, 2023 Filed Nov 22, 2023 00:18 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 18,118 $0.00 $0.00
Disclosure

SEC source: 0001666138-23-000134 · wk-form4_1700612315.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,108

F2 · price: Each performance restricted stock unit ("PSU") was granted on November 17, 2020 under the Atkore Inc. 2020 Omnibus Incentive Plan. The PSUs vested on November 17, 2023 upon the achievement of performance criteria established at the time of grant.

Read SEC document
November 17, 2023 Filed Nov 22, 2023 00:18 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 905 $131.41 $118,926.05
Disclosure

SEC source: 0001666138-23-000134 · wk-form4_1700612315.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,990

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

Read SEC document
November 16, 2023 Filed Nov 20, 2023 22:34 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 275 $135.23 $37,188.25
Disclosure

SEC source: 0001666138-23-000125 · wk-form4_1700519649.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,033

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

Read SEC document
November 13, 2023 Filed Nov 14, 2023 22:38 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 3,370 $0.00 $0.00
Disclosure

SEC source: 0001666138-23-000106 · wk-form4_1700001502.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,308

F2 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 13, 2023, subject to continued employment or meeting certain retirement qualifications. 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.

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November 11, 2023 Filed Nov 14, 2023 22:38 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 367 $132.29 $48,550.43
Disclosure

SEC source: 0001666138-23-000106 · wk-form4_1700001502.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,938

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

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February 03, 2023 Filed Feb 7, 2023 23:13 UTC Atkore Inc. ATKR · Entity 4197 Exercise / conversionStock Options (right to buy) · Derivative 2,480 $0.00 Strike: $17.90 $0.00
Disclosure

SEC source: 0001666138-23-000047 · wf-form4_167581160670087.xml · derivative · entry 3

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,480 shares

Expires 2028-11-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: These options are fully vested and exercisable.

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February 03, 2023 Filed Feb 7, 2023 23:13 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 2,480 $144.75 $358,980.00
Disclosure

SEC source: 0001666138-23-000047 · wf-form4_167581160670087.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,305

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February 03, 2023 Filed Feb 7, 2023 23:13 UTC Atkore Inc. ATKR · Entity 4197 Exercise / conversionCommon Stock 2,480 $17.90 $44,392.00
Disclosure

SEC source: 0001666138-23-000047 · wf-form4_167581160670087.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,785

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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November 23, 2022 Filed Nov 23, 2022 21:49 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 2,874 $118.99 $341,963.18
Disclosure

SEC source: 0001666138-22-000164 · wf-form4_166924012956262.xml · nonDerivative · entry 5

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,305

F4 · kind: This sale was undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F5 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore Inc. (the "Issuer") of sales that were executed at prices ranging from $117.26 to $120.17 per Share. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the issuer, full information regarding the number of Shares sold at each price.

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November 22, 2022 Filed Nov 23, 2022 21:49 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 433 $118.40 $51,267.20
Disclosure

SEC source: 0001666138-22-000164 · wf-form4_166924012956262.xml · nonDerivative · entry 4

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,179

F4 · kind: This sale was undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

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November 21, 2022 Filed Nov 23, 2022 21:49 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 5,735 $117.15 $671,855.25
Disclosure

SEC source: 0001666138-22-000164 · wf-form4_166924012956262.xml · nonDerivative · entry 3

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,612

F3 · shares: Represents PSUs withheld to satisfy tax withholding obligations in connection with the vesting of PSUs described in footnote 2 above, exempt under Rule 16b-3.

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November 21, 2022 Filed Nov 23, 2022 21:49 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 10,953 $0.00 $0.00
Disclosure

SEC source: 0001666138-22-000164 · wf-form4_166924012956262.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,347

F2 · price: Each performance restricted stock unit ("PSU") was granted on November 21, 2019 under the Atkore Inc. 2016 Omnibus Incentive Plan (the "2016 Plan"). The PSUs vested on November 21, 2022 upon the achievement of performance criteria established at the time of grant.

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November 21, 2022 Filed Nov 23, 2022 21:49 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 586 $117.15 $68,649.90
Disclosure

SEC source: 0001666138-22-000164 · wf-form4_166924012956262.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,394

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

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November 17, 2022 Filed Nov 21, 2022 21:49 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 952 $100.62 $95,790.24
Disclosure

SEC source: 0001666138-22-000152 · wf-form4_166906735218880.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,980

F1 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

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November 16, 2022 Filed Nov 18, 2022 23:12 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 288 $104.61 $30,127.68
Disclosure

SEC source: 0001666138-22-000140 · wf-form4_166881311080279.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,932

F2 · shares: Securities withheld to pay withholding taxes on vested restricted stock units exempt under Rule 16b-3.

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November 11, 2022 Filed Nov 18, 2022 23:12 UTC Atkore Inc. ATKR · Entity 4197 GrantStock Options (right to buy) · Derivative 4,162 $101.66 Strike: $101.66 $423,108.92
Disclosure

SEC source: 0001666138-22-000140 · wf-form4_166881311080279.xml · derivative · entry 3

Lamps Mark F. · CIK 0001769052 · Pres. Safety & Infrastructure

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,162

Underlying: Common Stock · 4,162 shares

Expires 2032-11-11

F3 · derivative.exercise_date: Represents stock options. The options vest and become exercisable ratably in three installments on each anniversary of November 11, 2022, subject to continued employment.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.