# Horizon Therapeutics USA, Inc.: permanent layoff, 22 employees in Rockville, MD

**Score:** 25/100

| Field | Value |
|---|---|
| Employer | Horizon Therapeutics USA, Inc. |
| Notice | Permanent layoff |
| Employees affected | 22 |
| Site | 9605 Medical Center Drive, Suite 325 Rockville, MD 20850 |
| County | Montgomery County |
| Industry | NAICS 325412 |
| Notice date | 2026-03-09 |
| Effective date | 2026-05-08 |

## Why this score


Source: California EDD WARN report, Maryland Department of Labor WARN log and Texas Workforce Commission WARN notices (https://www.dllr.state.md.us/employment/warn.shtml). Last refreshed: 2026-11-04T21:45:05.853Z.
From public WARN notices published by the California EDD, the Maryland Department of Labor and the Texas Workforce Commission (Texas does not publish notice type or industry). A WARN notice reports a planned layoff or closure as filed by the employer; plans can change. Employer and site level only: we never list individual employees.