XMTR

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 14

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Sasha Sladkin Altschuler 2012 Trust

Disclosed balance after: 329,627

F15 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Sasha Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.89 to $42.875, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 13

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Noah Sladkin Altschuler 2012 Trust

Disclosed balance after: 328,533

F14 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Noah Sladkin Altschuler 2012 Trust Trust at least 30 days prior to the trading date.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.00 to $43.96, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 12

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Noah Sladkin Altschuler 2012 Trust

Disclosed balance after: 329,616

F14 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Noah Sladkin Altschuler 2012 Trust Trust at least 30 days prior to the trading date.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.89 to $42.82, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 11

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Matthew Sladkin Altschuler 2012 Trust

Disclosed balance after: 328,533

F11 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Matthew Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.06 to $44.24, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 10

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Matthew Sladkin Altschuler 2012 Trust

Disclosed balance after: 328,597

F11 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Matthew Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.00 to $43.96, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 9

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Matthew Sladkin Altschuler 2012 Trust

Disclosed balance after: 329,622

F11 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Matthew Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.89 to $42.82, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 8

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by the 2021 Tigers Trust

Disclosed balance after: 89,582

F8 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by the 2021 Tigers Trust at least 30 days prior to the trading date.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.00 to $43.96, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 7

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by the 2021 Tigers Trust

Disclosed balance after: 90,648

F8 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by the 2021 Tigers Trust at least 30 days prior to the trading date.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.85 to $42.82, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 6

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by the Altschuler Family Trust (2020)

Disclosed balance after: 479,248

F5 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Altschuler Family Trust (2020) at least 30 days prior to the trading date.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 5

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by the Altschuler Family Trust (2020)

Disclosed balance after: 479,361

F5 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Altschuler Family Trust (2020) at least 30 days prior to the trading date.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.82 to $43.68, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 4

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by the Altschuler Family Trust (2020)

Disclosed balance after: 480,403

F5 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Altschuler Family Trust (2020) at least 30 days prior to the trading date.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.81 to $42.68, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 3

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by spouse

Disclosed balance after: 651,270

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by the reporting person's spouse at least 30 days prior to the trading date.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.96 to $44.225, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 2

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by spouse

Disclosed balance after: 652,110

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by the reporting person's spouse at least 30 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.93 to $43.83, inclusive.

SEC source: 0001562180-22-008020 · primarydocument.xml · nonDerivative · entry 1

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by spouse

Disclosed balance after: 656,901

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by the reporting person's spouse at least 30 days prior to the trading date.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.83 to $42.82, 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 in the ranges set forth in footnotes (2), (3), (4), (6), (7), (9), (10), (12), (13), (16) and (17) to this Form 4.

SEC source: 0001562180-22-008070 · primarydocument.xml · nonDerivative · entry 3

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 828,286

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.98 to $44.10, inclusive.

SEC source: 0001562180-22-008070 · primarydocument.xml · nonDerivative · entry 2

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 828,686

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.92 to $43.90, inclusive.

SEC source: 0001562180-22-008070 · primarydocument.xml · nonDerivative · entry 1

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 833,459

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.88 to $42.73, 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 in the ranges set forth in footnotes (2) through (11) to this Form 4.

SEC source: 0001562180-22-008019 · primarydocument.xml · derivative · entry 7

Rallo James M · CIK 0001352659 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,177

Underlying: Class A Common Stock · 7,717 shares

Expires 2030-05-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F6 · derivative.exercise_date: One quarter (1/4) of the shares vested on April 13, 2021, and thereafter, the remainder of the shares vest in 36 monthly installments, subject to the Reporting Person's continuous service.

SEC source: 0001562180-22-008019 · primarydocument.xml · derivative · entry 6

Rallo James M · CIK 0001352659 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 288,894

Underlying: Class A Common Stock · 2,283 shares

Expires 2030-05-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F6 · derivative.exercise_date: One quarter (1/4) of the shares vested on April 13, 2021, and thereafter, the remainder of the shares vest in 36 monthly installments, subject to the Reporting Person's continuous service.

SEC source: 0001562180-22-008019 · primarydocument.xml · nonDerivative · entry 5

Rallo James M · CIK 0001352659 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,687

F2 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.845 to $41.88, inclusive.

SEC source: 0001562180-22-008019 · primarydocument.xml · nonDerivative · entry 4

Rallo James M · CIK 0001352659 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,795

F2 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.79 to $41.76, inclusive.

SEC source: 0001562180-22-008019 · primarydocument.xml · nonDerivative · entry 3

Rallo James M · CIK 0001352659 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,874

F2 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.75 to $40.68, 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 in the ranges set forth in footnotes (3), (4) and (5) to this Form 4.

SEC source: 0001562180-22-008019 · primarydocument.xml · nonDerivative · entry 2

Rallo James M · CIK 0001352659 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,687

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

SEC source: 0001562180-22-008019 · primarydocument.xml · nonDerivative · entry 1

Rallo James M · CIK 0001352659 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,404

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

SEC source: 0001562180-22-007909 · primarydocument.xml · derivative · entry 4

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,000 shares

Expires 2031-02-24

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F4 · derivative.exercise_date: Shares vest in 48 monthly installments beginning on April 2, 2021, subject to the Reporting Person's continuous service.

SEC source: 0001562180-22-007909 · primarydocument.xml · nonDerivative · entry 3

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,729

F2 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

SEC source: 0001562180-22-007909 · primarydocument.xml · nonDerivative · entry 2

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,870

F2 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.76 to $42.74, 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 in the range.

SEC source: 0001562180-22-007909 · primarydocument.xml · nonDerivative · entry 1

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,729

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

SEC source: 0001562180-22-007761 · primarydocument.xml · nonDerivative · entry 7

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 835,286

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.82 to $43.06, inclusive.

SEC source: 0001562180-22-007761 · primarydocument.xml · nonDerivative · entry 6

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 836,395

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.80 to $42.75, inclusive.

SEC source: 0001562180-22-007798 · primarydocument.xml · derivative · entry 6

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,667

Underlying: Class A Common Stock · 5,833 shares

Expires 2029-02-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: 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 Reporting Person's continuous service.

SEC source: 0001562180-22-007798 · primarydocument.xml · derivative · entry 5

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,584

Underlying: Class A Common Stock · 7,291 shares

Expires 2030-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: 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.

SEC source: 0001562180-22-007798 · primarydocument.xml · derivative · entry 4

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,250

Underlying: Class A Common Stock · 3,125 shares

Expires 2031-03-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: One quarter (1/4) of the shares vested on January 1, 2022, and thereafter, the remainder of the shares vest in 36 monthly installments, subject to the Reporting Person's continuous service.

SEC source: 0001562180-22-007798 · primarydocument.xml · nonDerivative · entry 3

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,501

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-22-007798 · primarydocument.xml · nonDerivative · entry 2

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,210

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-22-007798 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,377

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-22-007761 · primarydocument.xml · nonDerivative · entry 5

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 841,286

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.35 to $44.95, inclusive.

SEC source: 0001562180-22-007761 · primarydocument.xml · nonDerivative · entry 4

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 842,986

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.35 to $44.30, inclusive.

SEC source: 0001562180-22-007761 · primarydocument.xml · nonDerivative · entry 3

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 843,986

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.28 to $43.27, inclusive.

SEC source: 0001562180-22-007761 · primarydocument.xml · nonDerivative · entry 2

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 848,286

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.40 to $45.05, inclusive.

SEC source: 0001562180-22-007761 · primarydocument.xml · nonDerivative · entry 1

Zuriff Laurence · CIK 0001870220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 853,119

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.39 to $44.36, 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 in the ranges set forth in footnotes (2), (3), (4), (5), (6), (7) and (8) to this Form 4.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 28

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Sasha Sladkin Altschuler 2012 Trust

Disclosed balance after: 330,533

F25 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Sasha Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 27

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Sasha Sladkin Altschuler 2012 Trust

Disclosed balance after: 330,617

F25 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Sasha Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

F29 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.50 to $62.43, inclusive.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 26

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Sasha Sladkin Altschuler 2012 Trust

Disclosed balance after: 331,024

F25 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Sasha Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

F28 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.325 to $61.31, inclusive.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 25

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Sasha Sladkin Altschuler 2012 Trust

Disclosed balance after: 331,187

F25 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Sasha Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

F27 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.24 to $60.13, inclusive.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 24

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Sasha Sladkin Altschuler 2012 Trust

Disclosed balance after: 331,472

F25 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Sasha Sladkin Altschuler 2012 Trust at least 30 days prior to the trading date.

F26 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.115 to $59.105, inclusive.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 23

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Noah Sladkin Altschuler 2012 Trust

Disclosed balance after: 330,533

F22 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Noah Sladkin Altschuler 2012 Trust Trust at least 30 days prior to the trading date.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 22

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Noah Sladkin Altschuler 2012 Trust

Disclosed balance after: 330,540

F22 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Noah Sladkin Altschuler 2012 Trust Trust at least 30 days prior to the trading date.

F21 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.81 to $62.60, inclusive.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 21

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Noah Sladkin Altschuler 2012 Trust

Disclosed balance after: 330,951

F22 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Noah Sladkin Altschuler 2012 Trust Trust at least 30 days prior to the trading date.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.66 to $61.50, inclusive.

SEC source: 0001562180-22-007431 · primarydocument.xml · nonDerivative · entry 20

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by The Noah Sladkin Altschuler 2012 Trust

Disclosed balance after: 331,201

F22 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b-5 trading plan adopted by The Noah Sladkin Altschuler 2012 Trust Trust at least 30 days prior to the trading date.

F24 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.42 to $60.09, inclusive.