On April 14, 2021, the Company entered into a 5-year operating lease for a 15,538-square-feet warehouse in Brisbane, California to further expand the Company operations. Upon execution of the lease agreement, the Company provided the landlord an approximately $0.2 million security deposit. The Company will pay an initial annual base rent of approximately $0.3 million, which is subject to scheduled 3% annual increases, plus certain operating expenses. The Company has the right to sublease the facility, subject to landlord consent. The total future minimum lease payments under the agreement are $2.2 million.
7. Related party transactions
During the three months ended June 30, 2021 and 2020, the Company purchased raw materials from a related party investor in the amount of $1.2 million and $1.1 million, respectively. During the nine months ended June 30, 2021 and 2020, the Company purchased raw materials from a related party investor in the amount of $3.5 million and $2.7 million, respectively. Payable balances and cash receipts and receivable balances with the related party investor were immaterial as of June 30, 2021 and September 30, 2020.
8. Income taxes
In determining quarterly provisions for income taxes, the Company uses the annual estimated effective tax rate applied to the actual year-to-date profit or loss, adjusted for discrete items arising in that quarter. The Company’s annual estimated effective tax rate differs from the U.S. federal statutory rate primarily as a result of state taxes, foreign taxes, and changes in the Company’s valuation allowance against its deferred tax assets. For the three and nine months ended June 30, 2021 the Company recorded $2.4 million and $2.3 million income tax benefit due to the deferred tax liability assumed as part of the business acquisition (see Note 14, “Business acquisition”). For the three and nine months ended June 30, 2020, the Company recorded an immaterial provision for income taxes.
9. Warrants
In connection with its long-term debt agreements, the Company issued 18,854 and 7,531 warrants for its common stock on December 22, 2015 and March 28, 2016, respectively. As of September 30, 2020, there were 26,385 warrants outstanding. In October 2020, a total of 18,854 warrants with an exercise price of $14.85 per common share were net exercised for a net 16,051 common shares issued by the Company. In November 2020, a total of 7,531 warrants with an exercise price of $21.24 per common share were net exercised for a net 6,041 common shares issued by the Company. There are no outstanding warrants for the Company’s common stock as of June 30, 2021.
10. Common stock
In December 2019, the Company entered into a sales agreement with Cowen and Company, LLC for an at-the-market offering (ATM) to offer and sell shares of its common stock having an aggregate offering price of up to $50.0 million from time to time. The offering was completed during December 2019 and January 2020. During this period, the Company sold a total of 2,239,680 shares of its common stock at a weighted-average price of $22.32 per share and received total net proceeds of $48.0 million under the ATM, net of estimated underwriting discounts and commissions and offering expenses.
In February 2020, the Company completed an underwritten public offering of 4,642,857 shares of its common stock at a price to the public of $28.00 per share, including the full exercise of the underwriters’ option to purchase an additional 696,428 shares of common stock. The Company received total net proceeds from the offering of $140.2 million, net of estimated underwriting discounts and commissions and offering expenses.
In June 2020, the Company completed an underwriting public offering of 3,484,848 shares of its common stock at a price to the public of $33.00 per share, including the full exercise of underwriters’ option to purchase an additional 454,545 shares of common stock. The Company received total net proceeds from the offering of $107.4 million, net of estimated underwriting discounts and commissions and offering expenses.