San Diego, California

Artiva Biotherapeutics to lay off 131 workers in San Diego, California

The layoffs take effect December 31, 2026, according to the company’s filing with the California Employment Development Department.

By Today’s Layoffs staff

Published

jobs As filed with the state in a WARN notice

Artiva Biotherapeutics plans to lay off 131 workers in San Diego, California, according to a filing with the California Employment Development Department.

The company filed with the state on October 27, 2026, and the layoffs take effect December 31, 2026. The affected site is at 5505 Morehouse Drive, Suite 100 San Diego CA 92121.

Sources

  1. WARN notice · primary source California WARN report California Employment Development Department · October 28, 2026 · accessed October 30, 2026

How we verified this

Checked against the California Employment Development Department WARN notice on October 30, 2026: it names Artiva Biotherapeutics and gives the figure we report (“131”). How we work.

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