X0306 4 2021-08-18 0 0001009759 Capstone Green Energy Corp CGRN 0001339744 Jamison Darren C/O CAPSTONE GREEN ENERGY CORP. 16640 STAGG STREET VAN NUYS CA 91406 1 1 0 0 President & CEO Common Stock 2021-08-18 4 P 0 12500 4.16 A 160291 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.14 to $4.19, inclusive. The reporting person undertakes to provide to Capstone Green Energy Corporation, any security holder of Capstone Green Energy Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4. Darren R. Jamison, Reporting Person 2021-08-18