Key facts
- This page summarizes Mark F. Lamps's Form 4 filing for Atkore Inc. (ATKR).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 10 Aug 2026, 17:06.
Mark F. Lamps - 10 Aug 2026 Form 4 Insider Report for Atkore Inc. (ATKR)
- Reporting relationship
- Pres. Safety & Infrastructure
- Issuer ticker
- ATKR
- Reported as of
- 10 Aug 2026
- Net transaction value
- -$28,125
- SEC form
- 4
- Accepted by SEC
- 10 Aug 2026, 17:06:35 UTC
- Prior SEC filing
- 02 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Daniel S. Kelly, Attorney-in-Fact for Mark F. Lamps
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Mark F. Lamps filed Form 4 for Atkore Inc. (ATKR) on 10 Aug 2026.
Change
- Previous filing in this sequence was filed on 02 Jun 2026.
- Current net transaction value: -$28,125.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001769052
Primary reporting owner
Lamps Mark F.
- Relationship
- Pres. Safety & Infrastructure
- Address
- 16100 S. LATHROP AVENUE, HARVEY
- Signature
- /s/ Daniel S. Kelly, Attorney-in-Fact for Mark F. Lamps
- Signature date
- 10 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ATKR
transaction
Common Stock
Sale
- Transaction value
- $28,125
- Shares
- -300
- Change %
- -0.83%
- Price
- $93.75
- Shares after
- 35,803
- Date
- 10 Aug 2026
- Ownership
- Direct
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
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.
Footnote F2
Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs.