Sutro Biopharma Layoffs

Location South San Francisco, CA · United States · Subscribe (RSS)

Layoff rounds

Employees laid off

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Funding stage

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Total raised

Sutro Biopharma has 3 publicly reported layoff rounds on record (most recent September 29, 2025). A total of about 54 employees were affected across these rounds.

Layoff history

September 29, 2025WARN notice

Sutro Biopharma cut 45 employees

45 laid off Location South San Francisco, CA Effective September 30, 2025 Facility 111 Oyster Point Blvd South San Francisco CA 94080

Sutro Biopharma disclosed a workforce reduction affecting its South San Francisco, CA operations in September 29, 2025. Approximately 45 roles were eliminated.

Reason: Layoff Permanent

September 29, 2025WARN notice

Sutro Biopharma cut 8 employees

8 laid off Location San Carlos, CA Effective September 30, 2025 Facility 870 Industrial Rd San Carlos CA 94070

Sutro Biopharma disclosed a workforce reduction affecting its San Carlos, CA operations in September 29, 2025. Approximately 8 roles were eliminated.

Reason: Layoff Permanent

September 29, 2025WARN notice

Sutro Biopharma cut 1 employee

1 laid off Location Remote, CA Effective September 30, 2025 Facility Remote Remote CA 94080

Sutro Biopharma disclosed a workforce reduction affecting its Remote, CA operations in September 29, 2025. Approximately 1 roles were eliminated.

Reason: Layoff Permanent

Data for Sutro Biopharma is compiled from public WARN Act filings and reporting linked above. See our methodology.