8-KThe WireRed Alert
Executive Change
Filed Apr 16, 2021 · 5y ago · Accession 0000821130-21-000018
Plain English
Material event — a significant development the company must disclose promptly.
Read the source below for the full document.
Filing details
- Ticker
- AD
- CIK
- 821130
- Form type
- 8-K
- Filing date
- Apr 16, 2021
- Report date
- Apr 13, 2021
- Document
- usm-20210413.htm
- Size
- 358 KB