| X | Filing Date | Trade Date | Ticker | Insider Name | Title | Trade Type | Price | Qty | Owned | ΔOwn | Value | 1d | 1w | 1m | 6m | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-15 | ATKR | Lamps Mark F. | Pres Safety, Infrastructure | S - Sale | $59.37 | -1,000 | 31,873 | -3% | -$59,370 | ||||||
| 2025-05-09 | ATKR | Lamps Mark F. | Pres Safety, Infrastructure | S - Sale | $69.16 | -1,000 | 32,828 | -3% | -$69,160 | ||||||
| 2025-02-10 | ATKR | Lamps Mark F. | Pres Safety, Infrastructure | S - Sale | $65.00 | -500 | 33,760 | -1% | -$32,500 | ||||||
| 2024-11-11 | ATKR | Lamps Mark F. | Pres Safety, Infrastructure | S - Sale | $96.55 | -500 | 27,236 | -2% | -$48,275 | ||||||
| 2024-08-12 | ATKR | Lamps Mark F. | Pres Safety, Infrastructure | S - Sale | $95.47 | -500 | 28,086 | -2% | -$47,735 | ||||||
| 2024-05-14 | ATKR | Lamps Mark F. | Pres Safety, Infrastructure | S - Sale | $157.67 | -500 | 28,586 | -2% | -$78,835 | ||||||
| 2023-11-22 | ATKR | Lamps Mark F. | Pres Safety, Infrastructure | S - Sale | $130.66 | -5,008 | 29,086 | -15% | -$654,351 | ||||||
| 2023-11-20 | ATKR | Lamps Mark F. | Pres Safety, Infrastructure | S - Sale | $131.51 | -138 | 25,895 | -1% | -$18,148 | 
| A | Amended filing | 
| D | Derivative transaction in filing (usually option exercise) | 
| E | Error detected in filing | 
| M | Multiple transactions in filing; earliest reported transaction date and weighted average transaction price | 
| S - Sale | Sale of securities on an exchange or to another person | 
| S - Sale+OE | Sale of securities on an exchange or to another person (after option exercise) | 
| F - Tax | Payment of exercise price or tax liability using portion of securities received from the company | 
| P - Purchase | Purchase of securities on an exchange or from another person |