EVERETT — Sana Biotechnology has canceled plans to build a major biotech manufacturing factory in Bothell that was supposed to employ hundreds of workers within a few years.

The publicly traded company said in an earnings report on Aug. 11 that it had decided to use a contract manufacturer to produce its cell-engineered and gene therapy drugs instead of manufacturing them in-house.

The publicly traded company reported a $44.6 million charge on the earnings report, mostly related to costs for the build-out of the Bothell facility. That contributed to an overall $93.8 million loss for the three months ending June 30.

Sana first announced the proposed manufacturing plant at the old AT&T call center at 3555 Monte Villa Parkway more than three years ago. It broke ground in August 2023.

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