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Proceeds allocated to 2021 common stock warrants and tranche obligation at fair value.

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Proceeds allocated to 2020 common stock warrants at fair value .

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Proceeds from issuance 2020 convertible notes and warrants .

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Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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