Is Horizon Therapeutics USA laying off workers?
Yes. Horizon Therapeutics USA filed a WARN notice in the last 12 months covering 22 jobs. The most recent was filed Mar 9, 2026 for Rockville, Maryland, effective May 8, 2026.
22 roles affected across 1 filing.
Every filing
Questions
Yes. Horizon Therapeutics USA filed a WARN notice in the last 12 months covering 22 jobs. The most recent was filed Mar 9, 2026 for Rockville, Maryland, effective May 8, 2026.
22 jobs in WARN notices filed in the last 12 months. 22 jobs across all 1 official WARN filing on record since 2026.
The filing lists an effective date of May 8, 2026. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.
Is Horizon Therapeutics USA on a list you care about?
Paste your suppliers, customers or holdings at /monitor and see which of them have filed a layoff that has not happened yet. A WARN notice is filed about 60 days before the jobs go, so those are still ahead of you. Free to check, no account, and we do not store your list.
We'll email you if there are further filings, expansions, or new locations affected.