2 Form 4 filings for ATMU between 2026-08-13 and 2026-08-18, from 2 filers. 2 discretionary (1 sales, 1 purchases). None state a filing-level total — that aggregate began on 2026-08-17 — so each row below shows only its largest transaction. Prices ran $50 to $51.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-18 | Swan Renee | sold | 3,870 | $50.89 | — | — | |
| 2026-08-13 | Macadam Stephen E. | purchased | 2,000 | $49.78 | — | — | |
| 2 filings · 2 filers · disclosed totals only | $0 (0/2) | — | |||||