Mezzanine Equity	9 Months Ended
Sep. 30, 2024
Equity [Abstract]
Mezzanine Equity	10. Mezzanine Equity Series B Redeemable Preferred Stock On March 18, 2024, the Company entered into an exchange agreement (the “Exchange Agreement”) with Casdin Private Growth Equity Fund II, L.P. and Casdin Partners Master Fund, L.P. (together, "Casdin"), and Viking Global Opportunities Illiquid Investments Sub Master LP and Viking Global Opportunities Drawdown LP (together, “Viking” and, collectively with Casdin, the “Investors”). Pursuant to the Exchange Agreement, the Investors exchanged (the “Exchange”) an aggregate of (i) 127,780 shares of Series B-1 Convertible Preferred Stock, par value $0.001 per share (the “Series B-1 Preferred Stock”), and (ii) 127,779 shares of Series B-2 Convertible Preferred Stock, par value $0.001 per share (the “Series B-2 Preferred Stock” and, together with the Series B-1 Preferred Stock, the “Series B Preferred Stock”), representing all of the outstanding shares of Series B Preferred Stock, for an aggregate of 92,930,553 shares of the Company’s common stock. The Exchange was completed on March 18, 2024. Following the closing of the Exchange, no shares of Series B Preferred Stock remained outstanding, and the Company had no amounts recorded in mezzanine equity. On June 18, 2024, the Company filed a registration statement on Form S-3 (File No. 333-280321), which became effective on June 27, 2024, registering the resale of 105,116,628 shares of common stock, including the shares of common stock which were issued upon conversion of the Series B Preferred Stock in the Exchange. The Exchange was considered to be an induced conversion of preferred stock as the Investors received a lower conversion price, and were issued more shares of common stock than provided under the original terms of the Series B Convertible Preferred Stock Purchase Agreement entered into with the Investors. The $46.0 million difference between the fair value of the inducement and the carrying value of the Series B Preferred Stock was recognized to the Company's accumulated deficit during the nine months ended September 30, 2024.

Mezzanine Equity

9 Months Ended

Sep. 30, 2024

10. Mezzanine Equity

Series B Redeemable Preferred Stock

On March 18, 2024, the Company entered into an exchange agreement (the “Exchange Agreement”) with Casdin Private Growth Equity Fund II, L.P. and Casdin Partners Master Fund, L.P. (together, "Casdin"), and Viking Global Opportunities Illiquid Investments Sub Master LP and Viking Global Opportunities Drawdown LP (together, “Viking” and, collectively with Casdin, the “Investors”). Pursuant to the Exchange Agreement, the Investors exchanged (the “Exchange”) an aggregate of (i) 127,780 shares of Series B-1 Convertible Preferred Stock, par value $0.001 per share (the “Series B-1 Preferred Stock”), and (ii) 127,779 shares of Series B-2 Convertible Preferred Stock, par value $0.001 per share (the “Series B-2 Preferred Stock” and, together with the Series B-1 Preferred Stock, the “Series B Preferred Stock”), representing all of the outstanding shares of Series B Preferred Stock, for an aggregate of 92,930,553 shares of the Company’s common stock. The Exchange was completed on March 18, 2024. Following the closing of the Exchange, no shares of Series B Preferred Stock remained outstanding, and the Company had no amounts recorded in mezzanine equity.

On June 18, 2024, the Company filed a registration statement on Form S-3 (File No. 333-280321), which became effective on June 27, 2024, registering the resale of 105,116,628 shares of common stock, including the shares of common stock which were issued upon conversion of the Series B Preferred Stock in the Exchange.

The Exchange was considered to be an induced conversion of preferred stock as the Investors received a lower conversion price, and were issued more shares of common stock than provided under the original terms of the Series B Convertible Preferred Stock Purchase Agreement entered into with the Investors. The $46.0 million difference between the fair value of the inducement and the carrying value of the Series B Preferred Stock was recognized to the Company's accumulated deficit during the nine months ended September 30, 2024.