Merck & Co., Inc.
Public company- Headquarters
- RAHWAY, New Jersey
- Ticker
- MRK
- CIK
- 0000310158
WARN notices since 2024
5
First: Mar 15, 2024
Workers affected since 2024
409
Across 5 notices
Executive changes, last 12 months
1
1 appointment, 0 departures
Last event
Nov 7, 2026
WARN noticeWARN notice: Rahway, NJ
Workers affected over time
Cumulative workers in WARN notices since 2024
| Notice date | Workers affected | Cumulative |
|---|---|---|
| Mar 15, 2024 | 5 | 5 |
| Nov 14, 2025 | 58 | 63 |
| Feb 20, 2026 | 204 | 267 |
| Sep 4, 2026 | 88 | 355 |
| Nov 7, 2026 | 54 | 409 |
Leadership
| Role and person | Since | Change |
|---|---|---|
| DirectorPaul J. Diaz | Oct 13, 2026 | Appointed |
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Class I director appointed: John W. LaRocca, Esq.
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- Executive appointment
Director appointed: Paul J. Diaz
Paul J. Diaz was named Director of Merck & Co., Inc., effective November 1, 2026. The company reported the change in an 8-K that cites Item 5.02.
Source: SEC 8-K, filed Oct 13, 2026Role: Director
Last verified Nov 8, 2026