ATMU insider trading activity (SEC Form 4). Over the trailing 90 days, ATMU insiders filed 1 purchases totalling $110K and 4 sales totalling $1.6M — net SELLING of $1.5M. Most recent filing: Jun 2, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Jun 2, 2026 | Disher Stephanie | S Sale | — | $45.25 | $1.2M | filing | |
| Jun 2, 2026 | Kienzler Jack | S Sale | — | $45.25 | $232K | filing | |
| Jun 2, 2026 | Masters Charles | S Sale | — | $45.25 | $131K | filing | |
| Jun 2, 2026 | Swan Renee | S Sale | — | $45.25 | $116K | filing | |
| May 13, 2026 | Haggerty Gretchen R | P Purchase | — | $55.74 | $110K | filing |