Updated Jul 16, 2026
Lamps Mark F. has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $173K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-02 | ATKR | Atkore Inc. | A — Grant or award | 53 | $0.00 | |
| 2026-03-03 | ATKR | Atkore Inc. | A — Grant or award | 68 | $0.00 | |
| 2026-02-17 | ATKR | Atkore Inc. | S — Open-market sale [10b5-1] | 1.0K | $65.78 | $66K |
| 2025-08-29 | ATKR | Atkore Inc. | A — Grant or award | 51 | $0.00 | |
| 2025-08-15 | ATKR | Atkore Inc. | S — Open-market sale | 1.0K | $59.37 | $59K |
| 2024-12-17 | ATKR | Atkore Inc. | A — Grant or award | 11 | $0.00 | |
| 2024-11-20 | ATKR | Atkore Inc. | A — Grant or award | 5.9K | $0.00 | |
| 2024-11-19 | ATKR | Atkore Inc. | F — Tax withholding / forfeiture | 2.2K | $88.97 | $194K |
| 2024-11-19 | ATKR | Atkore Inc. | A — Grant or award | 4.2K | $0.00 | |
| 2024-11-19 | ATKR | Atkore Inc. | F — Tax withholding / forfeiture | 291 | $88.97 | $26K |
| 2024-11-15 | ATKR | Atkore Inc. | F — Tax withholding / forfeiture | 593 | $92.48 | $55K |
| 2024-11-13 | ATKR | Atkore Inc. | F — Tax withholding / forfeiture [10b5-1] | 390 | $95.73 | $37K |
| 2024-11-13 | ATKR | Atkore Inc. | S — Open-market sale [10b5-1] | 500 | $96.55 | $48K |
| 2024-11-13 | ATKR | Atkore Inc. | A — Grant or award [10b5-1] | 18 | $0.00 | |
| 2024-11-13 | ATKR | Atkore Inc. | A — Grant or award [10b5-1] | 11 | $0.00 | |
| 2024-11-13 | ATKR | Atkore Inc. | A — Grant or award [10b5-1] | 11 | $0.00 |
Lamps Mark F. is a corporate insider — currently tracked as Pres. Safety & Infrastructure of Atkore Inc. (ATKR). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($173K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Lamps Mark F. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.