Martin Heather (CIK 2090798) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-11). Recent activity: Sell ATEX (3,465 shares), Sell ATEX (8,064 shares), Buy ATEX (3,694 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-11 | Anterix Inc. (ATEX) | Chief Marketing Officer | Sell | 3,465 | $296,050 |
| 2026-09-11 | Anterix Inc. (ATEX) | Chief Marketing Officer | Sell | 8,064 | $678,998 |
| 2026-05-22 | Anterix Inc. (ATEX) | Chief Marketing Officer | Buy | 3,694 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-11