Transaction Details

Footnotes

The shares were sold pursuant to an automatic sell-to-cover instruction signed September 5, 2025 solely to cover applicable withholding taxes in connection with the vesting of RSUs. | Of the shares subject to the option, 20% vest on each of anniversary of the grant date of March 10, 2026 over a period of five years. | Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock"). | Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.