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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
November 11, 2022 Filed Nov 18, 2022 23:12 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 2,213 $0.00 $0.00
Disclosure

SEC source: 0001666138-22-000140 · wf-form4_166881311080279.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,220

F1 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on the first, second and third anniversaries of November 11, 2022, 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.

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May 06, 2022 Filed May 6, 2022 22:24 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 845 $113.64 $96,025.80
Disclosure

SEC source: 0001666138-22-000075 · wf-form4_165187583042453.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,007

Read SEC document
March 04, 2022 Filed Mar 7, 2022 21:22 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 638 $102.95 $65,682.10
Disclosure

SEC source: 0001666138-22-000051 · wf-form4_164668815099226.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,852

F1 · kind: This sale was undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

Read SEC document
March 01, 2022 Filed Mar 3, 2022 22:26 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 898 $99.83 $89,647.34
Disclosure

SEC source: 0001666138-22-000049 · wf-form4_164634635340481.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,490

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

Read SEC document
November 30, 2021 Filed Nov 30, 2021 23:30 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 320 $108.12 $34,596.96
Disclosure

SEC source: 0001666138-21-000202 · wf-form4_163831502200697.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,388

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

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November 27, 2021 Filed Nov 30, 2021 23:30 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 6,180 $105.82 $653,967.60
Disclosure

SEC source: 0001666138-21-000202 · wf-form4_163831502200697.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,708

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 27, 2021 Filed Nov 30, 2021 23:30 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 13,752 $0.00 $0.00
Disclosure

SEC source: 0001666138-21-000202 · wf-form4_163831502200697.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,888

F2 · price: Each performance restricted stock unit ("PSU") was granted on November 27, 2018 under the Atkore Inc. 2016 Omnibus Incentive Plan (the "2016 Plan"). The PSUs vested on November 27, 2021 upon the achievement of performance criteria established at the time of grant.

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November 27, 2021 Filed Nov 30, 2021 23:30 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 523 $105.82 $55,343.86
Disclosure

SEC source: 0001666138-21-000202 · wf-form4_163831502200697.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,136

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

Read SEC document
November 23, 2021 Filed Nov 26, 2021 18:40 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 308 $112.95 $34,788.60
Disclosure

SEC source: 0001666138-21-000192 · wf-form4_163795200042699.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,659

F1 · kind: This sale of vested restricted stock units was undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

Read SEC document
November 21, 2021 Filed Nov 23, 2021 21:19 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 503 $111.65 $56,159.95
Disclosure

SEC source: 0001666138-21-000186 · wf-form4_163770236273185.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,967

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

Read SEC document
November 17, 2021 Filed Nov 18, 2021 22:48 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 715 $103.00 $73,645.00
Disclosure

SEC source: 0001666138-21-000174 · wf-form4_163727569569277.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,470

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

Read SEC document
November 16, 2021 Filed Nov 18, 2021 22:48 UTC Atkore Inc. ATKR · Entity 4197 GrantStock Options (right to buy) · Derivative 3,505 $105.94 Strike: $105.94 $371,319.70
Disclosure

SEC source: 0001666138-21-000174 · wf-form4_163727569569277.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,505

Underlying: Common Stock · 3,505 shares

Expires 2031-11-16

F3 · derivative.exercise_date: Represents stock options. The options vest and become exercisable ratably in three installments on each anniversary of November 16, 2021, subject to continued employment.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 22:48 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 1,652 $0.00 $0.00
Disclosure

SEC source: 0001666138-21-000174 · wf-form4_163727569569277.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,185

F1 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 16, 2021, 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.

Read SEC document
March 02, 2021 Filed Mar 3, 2021 21:30 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 630 $69.32 $43,672.99
Disclosure

SEC source: 0001666138-21-000053 · wf-form4_161480697345387.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,533

F2 · kind: This sale was undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F3 · 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 $69.22 to $69.44 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
March 01, 2021 Filed Mar 3, 2021 21:30 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 914 $69.95 $63,934.30
Disclosure

SEC source: 0001666138-21-000053 · wf-form4_161480697345387.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,163

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

Read SEC document
January 04, 2021 Filed Jan 6, 2021 21:56 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 324 $42.70 $13,834.80
Disclosure

SEC source: 0001666138-21-000002 · wf-form4_160997017815815.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,077

F1 · kind: This sale was undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

Read SEC document
November 27, 2020 Filed Nov 30, 2020 22:20 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: 0001666138-20-000155 · wf-form4_160677481873105.xml · derivative · entry 3

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,480

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.

F2 · derivative.exercise_date: These options are fully vested and exercisable.

Read SEC document
November 27, 2020 Filed Nov 30, 2020 22:20 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 2,106 $39.45 $83,092.02
Disclosure

SEC source: 0001666138-20-000155 · wf-form4_160677481873105.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,917

F1 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $39.4200 to $39.4550 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 27, 2020 Filed Nov 30, 2020 22:20 UTC Atkore Inc. ATKR · Entity 4197 Exercise / conversionCommon Stock 2,480 $17.90 $44,392.00
Disclosure

SEC source: 0001666138-20-000155 · wf-form4_160677481873105.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,023

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.

Read SEC document
November 27, 2020 Filed Dec 1, 2020 23:54 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 516 $39.87 $20,572.92
Disclosure

SEC source: 0001666138-20-000165 · wf-form4_160686684584858.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,401

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

Read SEC document
November 21, 2020 Filed Nov 24, 2020 22:11 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 496 $34.00 $16,864.00
Disclosure

SEC source: 0001666138-20-000149 · wf-form4_160625585332991.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,543

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

Read SEC document
November 17, 2020 Filed Nov 19, 2020 23:34 UTC Atkore Inc. ATKR · Entity 4197 GrantStock Options (right to buy) · Derivative 12,073 $29.80 Strike: $29.80 $359,775.40
Disclosure

SEC source: 0001666138-20-000132 · wf-form4_160582887487582.xml · derivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,073

Underlying: Common Stock · 12,073 shares

Expires 2030-11-17

F2 · derivative.exercise_date: Represents stock options. The options vest and become exercisable ratably in three installments on each anniversary of November 17, 2020, subject to continued employment.

Read SEC document
November 17, 2020 Filed Nov 19, 2020 23:34 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 5,453 $0.00 $0.00
Disclosure

SEC source: 0001666138-20-000132 · wf-form4_160582887487582.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,039

F1 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 17, 2020, 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.

Read SEC document
March 05, 2020 Filed Mar 6, 2020 22:23 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 682 $37.23 $25,389.70
Disclosure

SEC source: 0001666138-20-000051 · wf-form4_158353338674132.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,586

F1 · kind: This sale was undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

Read SEC document
February 28, 2020 Filed Mar 2, 2020 23:22 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 810 $36.91 $29,897.10
Disclosure

SEC source: 0001666138-20-000048 · wf-form4_158319136187642.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,268

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

Read SEC document
December 05, 2019 Filed Dec 10, 2019 22:50 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 394 $41.57 $16,379.45
Disclosure

SEC source: 0001666138-19-000139 · wf-form4_157601823539443.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,078

F1 · kind: This sale was undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F2 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $41.47 to $41.65 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 27, 2019 Filed Nov 29, 2019 20:38 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: 0001666138-19-000112 · wf-form4_157505987732825.xml · derivative · entry 3

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,960

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.

F2 · derivative.exercise_date: These options are fully vested and exercisable.

Read SEC document
November 27, 2019 Filed Nov 29, 2019 20:38 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 2,009 $41.75 $83,873.34
Disclosure

SEC source: 0001666138-19-000112 · wf-form4_157505987732825.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,848

F1 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $41.7169 to $41.7657 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 27, 2019 Filed Nov 29, 2019 20:38 UTC Atkore Inc. ATKR · Entity 4197 Exercise / conversionCommon Stock 2,480 $17.90 $44,392.00
Disclosure

SEC source: 0001666138-19-000112 · wf-form4_157505987732825.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,857

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.

Read SEC document
November 27, 2019 Filed Dec 2, 2019 23:48 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 376 $41.88 $15,746.88
Disclosure

SEC source: 0001666138-19-000123 · wf-form4_157533048327972.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,472

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

Read SEC document
November 21, 2019 Filed Nov 25, 2019 22:43 UTC Atkore Inc. ATKR · Entity 4197 GrantStock Options (right to buy) · Derivative 8,840 $0.00 Strike: $37.24 $0.00
Disclosure

SEC source: 0001666138-19-000106 · wf-form4_157472177838662.xml · derivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,840

Underlying: Common Stock · 8,840 shares

Expires 2029-11-21

F2 · derivative.exercise_date: Represents stock options. The options vest and become exercisable ratably in three installments on each anniversary of November 21, 2019, subject to continued employment.

Read SEC document
November 21, 2019 Filed Nov 25, 2019 22:43 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 3,357 $0.00 $0.00
Disclosure

SEC source: 0001666138-19-000106 · wf-form4_157472177838662.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,377

F1 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three installments on each anniversary of November 21, 2019, 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.

Read SEC document
November 21, 2019 Filed Jan 16, 2020 00:38 UTC Amendment Atkore Inc. ATKR · Entity 4197 GrantStock Options (right to buy) · Derivative 8,897 $37.24 Strike: $37.24 $331,324.28
Disclosure

SEC source: 0001666138-20-000008 · wf-form4a_157913509226360.xml · derivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,897

Underlying: Common Stock · 8,897 shares

Expires 2029-11-21

F1 · shares: This amendment to the Form 4 filed on November 25, 2019, is being filed to correct the number of options granted to the reporting person, which was inadvertently under reported by 57 shares due to a clerical error.

F2 · derivative.exercise_date: Represents stock options. The options vest and become exercisable ratably in three installments on each anniversary of November 21, 2019, subject to continued employment.

Read SEC document
November 07, 2019 Filed Nov 7, 2019 22:33 UTC Atkore Inc. ATKR · Entity 4197 SaleCommon Stock 2,005 $37.51 $75,203.74
Disclosure

SEC source: 0001666138-19-000083 · wf-form4_157316598936281.xml · nonDerivative · entry 2

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,020

F2 · kind: This exercise and sale were undertaken pursuant to a predetermined diversification plan previously adopted by the Reporting Person (a "10b5-1 Plan").

F3 · price: This price represents the approximate weighted average price per share of common stock (each a "Share") of Atkore International Group Inc. (the "Issuer") of sales that were executed at prices ranging from $37.30 to $37.93 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 01, 2019 Filed Nov 7, 2019 22:33 UTC Atkore Inc. ATKR · Entity 4197 Tax withholdingCommon Stock 1,915 $36.14 $69,208.10
Disclosure

SEC source: 0001666138-19-000083 · wf-form4_157316598936281.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,025

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

Read SEC document
March 01, 2019 Filed Mar 5, 2019 23:18 UTC Atkore Inc. ATKR · Entity 4197 GrantCommon Stock 6,522 $0.00 $0.00
Disclosure

SEC source: 0001666138-19-000042 · wf-form4_155182791798646.xml · nonDerivative · entry 1

Lamps Mark F. · CIK 0001769052 · Pres. Mech. Prods. & Solutions

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,940

F1 · security: Represents restricted stock units ("RSUs"). The RSUs vest ratably in three annual installments on each of the first three anniversaries of the grant date, 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.

Read SEC document

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