Change in fair value of earnout liability
Three months ended September 30, 2022 compared to three months ended September 30, 2021:
Changes in fair value of earnout liability were less than $0.1 million (gain) and $7.4 million (gain) in the three months ended September 30, 2022 and 2021, respectively. The decrease in fair value was primarily due to the decline in the stock price at September 30, 2022 as compared to September 30, 2021.
Nine months ended September 30, 2022 compared to nine months ended September 30, 2021:
Changes in fair value of earnout liability were $14.4 million (gain) and $15.4 million (loss) in the nine months ended September 30, 2022 and 2021, respectively. The decrease in fair value was primarily due to the decline in the stock price at September 30, 2022 as compared to September 30, 2021. During the nine months ended September 30, 2021, $25.8 million of the earnout liability was reclassified to additional paid in capital as a result of a vesting event in March 2021.
Change in fair value of private warrant liability
Three months ended September 30, 2022 compared to three months ended September 30, 2021:
Changes in fair value of private warrant liability were $0.1 million (gain) and $2.7 million (gain) in the three months ended September 30, 2022 and 2021, respectively. The decrease in fair value was primarily due to the decline in the stock price at September 30, 2022 as compared to September 30, 2021.
Nine months ended September 30, 2022 compared to nine months ended September 30, 2021:
Changes in fair value of private warrant liability were $14.4 million (gain) and $17.5 million (loss) in the nine months ended September 30, 2022 and 2021, respectively. The decrease in fair value was primarily due to the decline in the stock price at September 30, 2022 as compared to September 30, 2021.
Investment income and realized gains, net of investment expenses
Three months ended September 30, 2022 compared to three months ended September 30, 2021:
Investment income and realized gains, net of investment expenses was $0.3 million and $0.2 million in the three months ended September 30, 2022 and 2021, respectively. In April 2021, the Company acquired HOA, which maintains a short-term and long-term investment portfolio that generated investment income for nine months in 2021.
Nine months ended September 30, 2022 compared to nine months ended September 30, 2021:
Investment income and realized gains, net of investment expenses was $0.8 million and $0.4 million in the nine months ended September 30, 2022 and 2021, respectively. In April 2021, the Company acquired HOA, which maintains a short-term and long-term investment portfolio that generated investment income for nine months in 2021. The Company did not have any material investments prior to April 2021.
Income tax benefit (expense)
Three months ended September 30, 2022 compared to three months ended September 30, 2021:
Income tax benefit of $23 thousand and $1.8 million was recognized for the three months ended September 30, 2022 and 2021, respectively. The difference between the Company’s effective tax rates for the 2022 period and the U.S. statutory rate of 21% was primarily due to a full valuation allowance related to the Company’s net deferred assets. The difference between the Company’s effective tax rates for the 2021 period and the U.S. statutory rate of 21% was