SonTek filed a WARN notice reporting 36 affected employees at its San Diego, California location in November 2026. The layoffs take effect on November 6, 2026, following a notice filed on September 4, 2026.
Filing details
- Affected employees
- 36
- Effective date
- Nov 6, 2026
- Notice date
- Sep 4, 2026
- Location
- 9940 Summers Ridge Rd., San Diego, CA, 92121
- Action
- Closure Permanent
Filing documents
The official WARN notice filed for SonTek, shown page by page.

