X0306 4 2021-12-14 false 0001657573 Xometry, Inc. XMTR 0001869940 Mayerhofer Kathy 7529 STANDISH PLACE SUITE 200 DERWOOD MD 20855 false true false false Chief Sales Officer Class A Common Stock 2021-12-14 4 M false 1042.00 1.26 A 77291.00 D Class A Common Stock 2021-12-14 4 M false 3542.00 3.65 A 80833.00 D Class A Common Stock 2021-12-14 4 M false 9375.00 1.68 A 90208.00 D Class A Common Stock 2021-12-14 4 M false 1041.00 1.65 A 91249.00 D Class A Common Stock 2021-12-14 4 S false 9375.00 42.5179 D 81874.00 D Class A Common Stock 2021-12-14 4 S false 1041.00 42.5179 D 80833.00 D Class A Common Stock 2021-12-14 4 S false 1042.00 42.5179 D 79791.00 D Class A Common Stock 2021-12-14 4 S false 3542.00 42.5179 D 76249.00 D Stock Option (Right to Buy) 1.26 2021-12-14 4 M false 1042.00 0.00 D 2027-03-22 Class A Common Stock 1042.00 0.00 D Stock Option (Right to Buy) 1.65 2021-12-14 4 M false 1041.00 0.00 D 2028-01-29 Class A Common Stock 1041.00 105.00 D Stock Option (Right to Buy) 1.68 2021-12-14 4 M false 9375.00 0.00 D 2029-02-19 Class A Common Stock 9375.00 12188.00 D Stock Option (Right to Buy) 3.65 2021-12-14 4 M false 3542.00 0.00 D 2030-04-27 Class A Common Stock 3542.00 16458.00 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.38 to $42.98, inclusive. The reporting person undertakes to provide to Xometry, Inc., any security holder of Xometry, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this price range. Fully vested. One quarter (1/4) of the shares vested on January 1, 2019, and thereafter, the remainder of the shares vest in 36 monthly installments, subject to the Reporting Person's continuous service. One quarter (1/4) of the shares vested on January 1, 2020, and thereafter, the remainder of the shares vest in 36 monthly installments, subject to the Reporting Person's continuous service. One quarter (1/4) of the shares vested on January 1, 2021, and thereafter, the remainder of the shares vest in 36 monthly installments, subject to the Reporting Person's continuous service. /s/ Kristie Scott, Attorney-in-Fact 2021-12-16