Convertible Preferred Stock	6 Months Ended
Jun. 30, 2023
Temporary Equity Disclosure [Abstract]
Convertible Preferred Stock	8. Convertible Preferred Stock Series A-1 Preferred Stock In October 2020, the Board of Directors (the “Board”) authorized the sale and issuance of Series A-1 Preferred Stock in three closings. In October 2020, as part of the first closing of the Series A-1 Preferred Stock, the Company issued 1,315,789 shares of Series A-1 Preferred Stock with a par value of $0.001 and a purchase price of $2.28 per share, and an additional 3,106,561 shares of the Series A-1 Preferred Stock upon conversion of the Company’s convertible notes. The second and third closings of the Series A-1 Preferred Stock financing were dependent upon the Company’s successful completion of future science-driven milestone events, such as entering into in-licensing agreements, contracting with a CRO to conduct Phase 2 clinical trials, and identifying compounds for lead drug candidates. The obligations to issue additional shares of Series A-1 Preferred Stock in subsequent financings, or Preferred Stock Tranche Rights, were recorded as a liability in the consolidated balance sheet. In January 2021, upon effectiveness of the license agreement and stock issuance agreement with Eli Lilly and Company (“Lilly”) (collectively, the “Lilly Agreement”), the Company completed the second and third closings and issued an aggregate of 5,482,456 shares of Series A-1 Preferred Stock. Series A-1 Preferred Stock issued in the second and third closings had a par value of $0.001 and had a purchase price of $2.28 per share, which was equal to fair value as estimated by the Company’s management by taking into consideration the results obtained from a third-party valuation, among other factors. The Company incurred issuance costs of $0.2 million in connection with these transactions. Series B Preferred Stock In November 2021, the Board authorized the sale and issuance of Series B Preferred Stock. In November 2021, the Company issued 17,521,047 shares of Series B Preferred Stock, with a par value of $0.001 and a purchase price of $5.70742 per share, and an additional 46,058 shares of Series B Preferred Stock to settle the Company’s obligation to issue capital stock in a subsequent financing to Lilly in order to maintain a specified, single-digit ownership percentage of the Company upon specified conditions in connection with the Lilly Agreement. The Company incurred issuance costs of $0.2 million in connection with this transaction. Upon the issuance of Series A-1 Preferred Stock and Series B Preferred Stock (collectively, “Preferred Stock”), the Company assessed the embedded conversion and liquidation features of the shares and determined that such features did not require the Company to separately account for these features. Upon the closing of the Company’s IPO on November 17, 2022, all outstanding shares of Preferred Stock converted into 11,140,262 shares of common stock.

Convertible Preferred Stock

6 Months Ended

Jun. 30, 2023

Temporary Equity Disclosure [Abstract]

8. Convertible Preferred Stock

Series A-1 Preferred Stock

In October 2020, the Board of Directors (the “Board”) authorized the sale and issuance of Series A-1 Preferred Stock in three closings. In October 2020, as part of the first closing of the Series A-1 Preferred Stock, the Company issued 1,315,789 shares of Series A-1 Preferred Stock with a par value of $0.001 and a purchase price of $2.28 per share, and an additional 3,106,561 shares of the Series A-1 Preferred Stock upon conversion of the Company’s convertible notes. The second and third closings of the Series A-1 Preferred Stock financing were dependent upon the Company’s successful completion of future science-driven milestone events, such as entering into in-licensing agreements, contracting with a CRO to conduct Phase 2 clinical trials, and identifying compounds for lead drug candidates. The obligations to issue additional shares of Series A-1 Preferred Stock in subsequent financings, or Preferred Stock Tranche Rights, were recorded as a liability in the consolidated balance sheet.

In January 2021, upon effectiveness of the license agreement and stock issuance agreement with Eli Lilly and Company (“Lilly”) (collectively, the “Lilly Agreement”), the Company completed the second and third closings and issued an aggregate of 5,482,456 shares of Series A-1 Preferred Stock. Series A-1 Preferred Stock issued in the second and third closings had a par value of $0.001 and had a purchase price of $2.28 per share, which was equal to fair value as estimated by the Company’s management by taking into consideration the results obtained from a third-party valuation, among other factors.

The Company incurred issuance costs of $0.2 million in connection with these transactions.

Series B Preferred Stock

In November 2021, the Board authorized the sale and issuance of Series B Preferred Stock. In November 2021, the Company issued 17,521,047 shares of Series B Preferred Stock, with a par value of $0.001 and a purchase price of $5.70742 per share, and an additional 46,058 shares of Series B Preferred Stock to settle the Company’s obligation to issue capital stock in a subsequent financing to Lilly in order to maintain a specified, single-digit ownership percentage of the Company upon specified conditions in connection with the Lilly Agreement. The Company incurred issuance costs of $0.2 million in connection with this transaction.

Upon the issuance of Series A-1 Preferred Stock and Series B Preferred Stock (collectively, “Preferred Stock”), the Company assessed the embedded conversion and liquidation features of the shares and determined that such features did not require the Company to separately account for these features.

Upon the closing of the Company’s IPO on November 17, 2022, all outstanding shares of Preferred Stock converted into 11,140,262 shares of common stock.