(2) Consists of severance and other employee separation costs, and cease use charges for operating lease right-of-use assets due to reduction of leased office spaces.

(3) Consists of acquisition transaction costs.

(4) Consists of the non-cash fair value measurement change for public and private warrants.

(5) Represents the non-cash fair-value measurement change related to our earn-out liability.

(6) Represents the payroll tax related to earn-out shares issuance and release in 2022.