Organization	6 Months Ended
Jun. 30, 2023
Accounting Policies [Abstract]
Organization	1. Organization Sana Biotechnology, Inc. (the Company or Sana) is a biotechnology company focusing on utilizing engineered cells as medicines. The Company’s operations to date have included identifying and developing potential product candidates, executing preclinical studies, establishing manufacturing capabilities, preparing for clinical trials of our product candidates, acquiring technology, organizing and staffing the Company, business planning, establishing and maintaining the Company’s intellectual property portfolio, raising capital, and providing general and administrative support for these operations. Liquidity and capital resources The Company is subject to a number of risks and uncertainties similar to other biotechnology companies in the development stage, including, but not limited to, those related to the need to obtain adequate additional funding, possible failure of preclinical testing or clinical trials, the need to obtain marketing approval for its product candidates, building out internal and external manufacturing capabilities, competitors developing new technological innovations, the need to successfully commercialize and gain market acceptance of the Company’s products, the need to protect the Company’s intellectual property and proprietary technologies, and the need to attract and retain key scientific and management personnel. If the Company does not successfully commercialize or partner any of its product candidates, it will be unable to generate product revenue or achieve profitability. Until such time as the Company can generate significant revenue from product sales, if ever, it expects to finance its operations with the proceeds from additional equity or debt financings or capital obtained in connection with strategic collaborations or licensing or other arrangements. In the event that additional financing is required, the Company may not be able to raise it on terms acceptable to it or at all. In August 2022, the Company entered into a sales agreement with Cowen and Company, LLC (Cowen), acting as sales agent, pursuant to which it may offer and sell through Cowen up to $150.0 million in shares of the Company’s common stock from time to time in a series of one or more at the market equity offerings (collectively, the ATM facility). As of June 30, 2023, the Company sold an aggregate of 4.7 million shares of the Company's common stock, resulting in gross proceeds of $29.5 million under the ATM facility. After deducting commissions and expenses, the Company raised $27.6 million in net proceeds under the ATM facility as of June 30, 2023. The Company has incurred operating losses each year since inception and expects such losses to continue for the foreseeable future. As of June 30, 2023, the Company had cash, cash equivalents, and marketable securities of $325.9 million, and an accumulated deficit of $1.3 billion, which includes cumulative non-cash charges related to the revaluation of the success payment liabilities and contingent consideration of $34.0 million and $110.5 million, respectively.

Organization

6 Months Ended

Jun. 30, 2023

1. Organization

Sana Biotechnology, Inc. (the Company or Sana) is a biotechnology company focusing on utilizing engineered cells as medicines. The Company’s operations to date have included identifying and developing potential product candidates, executing preclinical studies, establishing manufacturing capabilities, preparing for clinical trials of our product candidates, acquiring technology, organizing and staffing the Company, business planning, establishing and maintaining the Company’s intellectual property portfolio, raising capital, and providing general and administrative support for these operations.

Liquidity and capital resources

The Company is subject to a number of risks and uncertainties similar to other biotechnology companies in the development stage, including, but not limited to, those related to the need to obtain adequate additional funding, possible failure of preclinical testing or clinical trials, the need to obtain marketing approval for its product candidates, building out internal and external manufacturing capabilities, competitors developing new technological innovations, the need to successfully commercialize and gain market acceptance of the Company’s products, the need to protect the Company’s intellectual property and proprietary technologies, and the need to attract and retain key scientific and management personnel. If the Company does not successfully commercialize or partner any of its product candidates, it will be unable to generate product revenue or achieve profitability. Until such time as the Company can generate significant revenue from product sales, if ever, it expects to finance its operations with the proceeds from additional equity or debt financings or capital obtained in connection with strategic collaborations or licensing or other arrangements. In the event that additional financing is required, the Company may not be able to raise it on terms acceptable to it or at all.

In August 2022, the Company entered into a sales agreement with Cowen and Company, LLC (Cowen), acting as sales agent, pursuant to which it may offer and sell through Cowen up to $150.0 million in shares of the Company’s common stock from time to time in a series of one or more at the market equity offerings (collectively, the ATM facility). As of June 30, 2023, the Company sold an aggregate of 4.7 million shares of the Company's common stock, resulting in gross proceeds of $29.5 million under the ATM facility. After deducting commissions and expenses, the Company raised $27.6 million in net proceeds under the ATM facility as of June 30, 2023.

The Company has incurred operating losses each year since inception and expects such losses to continue for the foreseeable future. As of June 30, 2023, the Company had cash, cash equivalents, and marketable securities of $325.9 million, and an accumulated deficit of $1.3 billion, which includes cumulative non-cash charges related to the revaluation of the success payment liabilities and contingent consideration of $34.0 million and $110.5 million, respectively.