Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| ATKR | Deitzer John Michael | VP, CFO | 10/19/2026 | Abgabe | 95.00 | 33,486 | 3,181,170 | Form 4 |
| ATKR | Deitzer John Michael | VP, CFO | 10/19/2026 | Zuteilung | — | 14,558 | — | Form 4 |
| ATKR | Alvey James William | Chief Accounting Officer | 10/19/2026 | Abgabe | 95.00 | 6,449 | 612,655 | Form 4 |
| ATKR | Alvey James William | Chief Accounting Officer | 10/19/2026 | Zuteilung | — | 1,000 | — | Form 4 |
| ATKR | Edmonds Franklin S. Jr. | Director | 10/19/2026 | Abgabe | 95.00 | 2,844 | 270,180 | Form 4 |
| ATKR | Pregenzer John W | COO & President, Electrical | 10/19/2026 | Abgabe | 95.00 | 80,228 | 7,621,660 | Form 4 |
| ATKR | Pregenzer John W | COO & President, Electrical | 10/19/2026 | Zuteilung | — | 18,817 | — | Form 4 |
| ATKR | Lowe LeAngela W. | VP, Chief HR Officer | 10/19/2026 | Abgabe | 95.00 | 46,361 | 4,404,295 | Form 4 |
| ATKR | Lowe LeAngela W. | VP, Chief HR Officer | 10/19/2026 | Zuteilung | — | 10,298 | — | Form 4 |
| ATKR | Lamps Mark F. | Pres. Safety & Infrastructure | 10/19/2026 | Abgabe | 95.00 | 49,238 | 4,677,610 | Form 4 |
| ATKR | Lamps Mark F. | Pres. Safety & Infrastructure | 10/19/2026 | Zuteilung | — | 13,388 | — | Form 4 |
| ATKR | Edwards Barbara Joanne | Director | 10/19/2026 | Abgabe | 95.00 | 6,099 | 579,405 | Form 4 |
| ATKR | Kershaw Justin A | Director | 10/19/2026 | Abgabe | 95.00 | 18,750 | 1,781,250 | Form 4 |
| ATKR | James Wilbert W Jr | Director | 10/19/2026 | Abgabe | 95.00 | 17,191 | 1,633,145 | Form 4 |
| ATKR | Waltz William E Jr. | President and CEO | 10/19/2026 | Abgabe | 95.00 | 36,836 | 3,499,420 | Form 4 |
| ATKR | Waltz William E Jr. | President and CEO | 10/19/2026 | Abgabe | 95.00 | 191,623 | 18,204,185 | Form 4 |
| ATKR | Waltz William E Jr. | President and CEO | 10/19/2026 | Zuteilung | — | 67,970 | — | Form 4 |
| ATKR | Kelly Daniel S | VP, General Counsel and Sec. | 10/19/2026 | Abgabe | 95.00 | 42,964 | 4,081,580 | Form 4 |
| ATKR | Kelly Daniel S | VP, General Counsel and Sec. | 10/19/2026 | Zuteilung | — | 10,298 | — | Form 4 |
| ATKR | Zeffiro A Mark | Director | 10/19/2026 | Abgabe | 95.00 | 23,994 | 2,279,430 | Form 4 |
| ATKR | Wynn Betty R. | Director | 10/19/2026 | Abgabe | 95.00 | 20,616 | 1,958,520 | Form 4 |
| ATKR | Muse Scott H | Director | 10/19/2026 | Abgabe | 95.00 | 32,724 | 3,108,780 | Form 4 |
| ATKR | Isbell Jeri L | Director | 10/19/2026 | Abgabe | 95.00 | 30,656 | 2,912,320 | Form 4 |
| ATKR | Schrock Michael V | Director | 10/19/2026 | Abgabe | 95.00 | 22,187 | 2,107,765 | Form 4 |
| ATKR | Deitzer John Michael | VP, CFO | 08/28/2026 | Zuteilung | — | 47 | — | Form 4 |
| ATKR | Alvey James William | Chief Accounting Officer | 08/28/2026 | Zuteilung | — | 9 | — | Form 4 |
| ATKR | Edmonds Franklin S. Jr. | Director | 08/28/2026 | Zuteilung | — | 10 | — | Form 4 |
| ATKR | Pregenzer John W | COO & President, Electrical | 08/28/2026 | Zuteilung | — | 82 | — | Form 4 |
| ATKR | Lowe LeAngela W. | VP, Chief HR Officer | 08/28/2026 | Zuteilung | — | 36 | — | Form 4 |
| ATKR | Lamps Mark F. | Pres. Safety & Infrastructure | 08/28/2026 | Zuteilung | — | 47 | — | Form 4 |
| ATKR | Edwards Barbara Joanne | Director | 08/28/2026 | Zuteilung | — | 18 | — | Form 4 |
| ATKR | Kershaw Justin A | Director | 08/28/2026 | Zuteilung | — | 66 | — | Form 4 |
| ATKR | James Wilbert W Jr | Director | 08/28/2026 | Zuteilung | — | 60 | — | Form 4 |
| ATKR | Waltz William E Jr. | President and CEO | 08/28/2026 | Zuteilung | — | 242 | — | Form 4 |
| ATKR | Kelly Daniel S | VP, General Counsel and Sec. | 08/28/2026 | Zuteilung | — | 36 | — | Form 4 |
| ATKR | Zeffiro A Mark | Director | 08/28/2026 | Zuteilung | — | 48 | — | Form 4 |
| ATKR | Wynn Betty R. | Director | 08/28/2026 | Zuteilung | — | 28 | — | Form 4 |
| ATKR | Muse Scott H | Director | 08/28/2026 | Zuteilung | — | 95 | — | Form 4 |
| ATKR | Isbell Jeri L | Director | 08/28/2026 | Zuteilung | — | 98 | — | Form 4 |
| ATKR | Schrock Michael V | Director | 08/28/2026 | Zuteilung | — | 8 | — | Form 4 |
| ATKR | Lamps Mark F. | Pres. Safety & Infrastructure | 08/10/2026 | Verkauf | 93.75 | 300 | 28,125 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).