XMTR

SEC source: 0001562180-25-005325 · primarydocument.xml · nonDerivative · entry 2

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 319,602

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 90 days prior to the trading date.

F2 · kind: A portion of these shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001562180-25-005325 · primarydocument.xml · nonDerivative · entry 1

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 319,956

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 90 days prior to the trading date.

F2 · kind: A portion of these shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.95 to $32.90, 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.

SEC source: 0001562180-25-004987 · primarydocument.xml · nonDerivative · entry 1

Azevedo Roy · CIK 0001752295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,084

F1 · shares: Represents a restricted stock unit ("RSU") grant. The shares underlying the RSUs will vest in two equal quarterly installments with the first installment vesting on October 1, 2025, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-004942 · primarydocument.xml · nonDerivative · entry 2

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 175,457

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 90 days prior to the trading date.

F2 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.92 to $30.93, inclusive.

SEC source: 0001562180-25-004942 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 175,555

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 90 days prior to the trading date.

F2 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.91 to $30.90, 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) and (4) to this Form 4.

SEC source: 0001562180-25-004711 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 176,443

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 90 days prior to the trading date.

SEC source: 0001562180-25-003725 · primarydocument.xml · derivative · entry 4

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 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.

F3 · derivative.exercise_date: Fully vested.

SEC source: 0001562180-25-003725 · primarydocument.xml · nonDerivative · entry 3

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,105

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.69 to $30.76, inclusive.

SEC source: 0001562180-25-003725 · primarydocument.xml · nonDerivative · entry 2

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,146

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.71 to $30.74, 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 ranges set forth in footnotes (1) and (2) to this Form 4.

SEC source: 0001562180-25-003725 · primarydocument.xml · nonDerivative · entry 1

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,146

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: 0001562180-25-003071 · primarydocument.xml · nonDerivative · entry 3

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,146

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 90 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 $21.125 to $21.515, inclusive.

SEC source: 0001562180-25-003071 · primarydocument.xml · nonDerivative · entry 2

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,701

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 90 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 $20.10 to $21.085, inclusive.

SEC source: 0001562180-25-003071 · primarydocument.xml · nonDerivative · entry 1

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,912

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 90 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 $18.89 to $19.555, 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) and (4) to this Form 4.

SEC source: 0001562180-25-003011 · primarydocument.xml · nonDerivative · entry 1

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 328,934

F1 · kind: The transaction reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 90 days prior to the trading date.

F2 · kind: A portion of these shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.725 to $25.515, 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.

SEC source: 0001562180-25-002995 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 186,943

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 90 days prior to the trading date.

F2 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.74 to $25.51, 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.

SEC source: 0001562180-25-002996 · primarydocument.xml · nonDerivative · entry 1

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 144,713

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 90 days prior to the trading date.

F2 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.74 to $25.455, 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.

SEC source: 0001562180-25-002594 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 187,883

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 90 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 $24.79 to $25.55, 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.

SEC source: 0001562180-25-002365 · primarydocument.xml · nonDerivative · entry 1

Dutt Subir · CIK 0002024040 · Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,370

F1 · shares: Represents a restricted stock unit ("RSU") grant. One quarter (1/4) of the shares underlying the RSUs will vest on January 1, 2026 and the remainder of the shares underlying the RSUs vest quarterly for the 3 years thereafter, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002364 · primarydocument.xml · nonDerivative · entry 1

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 338,265

F1 · shares: Represents a restricted stock unit ("RSU") grant. One quarter (1/4) of the shares underlying the RSUs will vest on January 1, 2026 and the remainder of the shares underlying the RSUs vest quarterly for the 3 years thereafter, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002361 · primarydocument.xml · nonDerivative · entry 1

Rosati Fabio · CIK 0001869994 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,746

F1 · shares: Represents a restricted stock unit ("RSU") grant. All of the shares underlying the RSUs will vest on January 1, 2026, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002356 · primarydocument.xml · nonDerivative · entry 1

Bial Deborah · CIK 0001869919 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,875

F1 · shares: Represents a restricted stock unit ("RSU") grant. All of the shares underlying the RSUs will vest on January 1, 2026, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002362 · primarydocument.xml · nonDerivative · entry 1

Clark Ranjana B · CIK 0001404051 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,278

F1 · shares: Represents a restricted stock unit ("RSU") grant. All of the shares underlying the RSUs will vest on January 1, 2026, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002360 · primarydocument.xml · nonDerivative · entry 2

Weymouth Katharine · CIK 0001501808 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,308

F3 · shares: Represents a restricted stock unit ("RSU") grant. The shares underlying the RSUs will vest in four equal quarterly installments with the first installment vesting on April 1, 2025, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002360 · primarydocument.xml · nonDerivative · entry 1

Weymouth Katharine · CIK 0001501808 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,244

F1 · shares: Represents a restricted stock unit ("RSU") grant. All of the shares underlying the RSUs will vest on January 1, 2026, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002366 · primarydocument.xml · nonDerivative · entry 1

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,059

F1 · shares: Represents a restricted stock unit ("RSU") grant. One quarter (1/4) of the shares underlying the RSUs will vest on January 1, 2026 and the remainder of the shares underlying the RSUs vest quarterly for the 3 years thereafter, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002359 · primarydocument.xml · nonDerivative · entry 1

Rollins Emily · CIK 0001847014 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,146

F1 · shares: Represents a restricted stock unit ("RSU") grant. All of the shares underlying the RSUs will vest on January 1, 2026, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002357 · primarydocument.xml · nonDerivative · entry 2

Azevedo Roy · CIK 0001752295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,972

F3 · shares: Represents a restricted stock unit ("RSU") grant. The shares underlying the RSUs will vest in four equal quarterly installments with the first installment vesting on April 1, 2025, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002357 · primarydocument.xml · nonDerivative · entry 1

Azevedo Roy · CIK 0001752295 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,184

F1 · shares: Represents a restricted stock unit ("RSU") grant. All of the shares underlying the RSUs will vest on January 1, 2026, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-002000 · primarydocument.xml · nonDerivative · entry 3

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,238

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 90 days prior to the trading date.

F4 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.10 to $24.90, inclusive.

SEC source: 0001562180-25-002000 · primarydocument.xml · nonDerivative · entry 2

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 119,027

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 90 days prior to the trading date.

F4 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.09 to $24.08, inclusive.

SEC source: 0001562180-25-002010 · primarydocument.xml · nonDerivative · entry 1

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 256,570

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 90 days prior to the trading date.

F2 · kind: A portion of these shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units that were granted in March 2024 subject to performance-based vesting conditions pertaining to 2024 performance.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.21 to $27.11, 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.

SEC source: 0001562180-25-002000 · primarydocument.xml · nonDerivative · entry 1

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 131,090

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 90 days prior to the trading date.

F2 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units that were granted in March 2024 subject to performance-based vesting conditions pertaining to 2024 performance.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.28 to $27.09, 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), (5) and (6) to this Form 4.

SEC source: 0001562180-25-001806 · primarydocument.xml · nonDerivative · entry 2

Raghavan Vaidyanathan · CIK 0002056024 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,265

F3 · shares: Represents a RSU grant. The shares underlying the RSUs will vest in equal quarterly installments over two years beginning on April 1, 2025, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-001806 · primarydocument.xml · nonDerivative · entry 1

Raghavan Vaidyanathan · CIK 0002056024 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,190

F1 · shares: Represents a restricted stock unit ("RSU") grant. One quarter (1/4) of the shares underlying the RSUs will vest on January 1, 2026 and the remainder of the shares underlying the RSUs vest quarterly for the 3 years thereafter, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-001735 · primarydocument.xml · nonDerivative · entry 1

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,136

F1 · shares: Represents restricted stock units ("RSU") that were granted in March 2024 subject to performance-based vesting conditions pertaining to 2024 performance, the achievement of which was certified by the Board on February 25, 2025. Of these RSUs, 1/3rd of the shares vested on February 25, 2025, and the remainder of the shares underlying the RSUs will vest in equal installments on each of February 25, 2026 and February 25, 2027, subject to the reporting person's continuous service.

SEC source: 0001562180-25-001737 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,733

F1 · shares: Represents restricted stock units ("RSU") that were granted in March 2024 subject to performance-based vesting conditions pertaining to 2024 performance, the achievement of which was certified by the Board on February 25, 2025. Of these RSUs, 1/3rd of the shares vested on February 25, 2025, and the remainder of the shares underlying the RSUs will vest in equal installments on each of February 25, 2026 and February 25, 2027, subject to the reporting person's continuous service.

SEC source: 0001562180-25-001736 · primarydocument.xml · nonDerivative · entry 1

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,325

F1 · shares: Represents restricted stock units ("RSU") that were granted in March 2024 subject to performance-based vesting conditions pertaining to 2024 performance, the achievement of which was certified by the Board on February 25, 2025. Of these RSUs, 1/3rd of the shares vested on February 25, 2025, and the remainder of the shares underlying the RSUs will vest in equal installments on each of February 25, 2026 and February 25, 2027, subject to the reporting person's continuous service.

SEC source: 0001562180-25-002354 · primarydocument.xml · nonDerivative · entry 1

Altschuler Randolph · CIK 0001869814 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 284,557

F1 · shares: Represents restricted stock units ("RSU") that were granted in March 2024 subject to performance-based vesting conditions pertaining to 2024 performance, the achievement of which was certified by the Board on February 25, 2025. Of these RSUs, 1/3rd of the shares vested on February 25, 2025, and the remainder of the shares underlying the RSUs will vest in equal installments on each of February 25, 2026 and February 25, 2027, subject to the reporting person's continuous service.

F2 · shares: This amendment is being filed solely to correct an error in the number of RSUs and the Amount of Securities Beneficially Owned Following Reported Transaction(s) previously reported.

F2 · balance_after: This amendment is being filed solely to correct an error in the number of RSUs and the Amount of Securities Beneficially Owned Following Reported Transaction(s) previously reported.

SEC source: 0001562180-25-002353 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,869

F1 · shares: Represents restricted stock units ("RSU") that were granted in March 2024 subject to performance-based vesting conditions pertaining to 2024 performance, the achievement of which was certified by the Board on February 25, 2025. Of these RSUs, 1/3rd of the shares vested on February 25, 2025, and the remainder of the shares underlying the RSUs will vest in equal installments on each of February 25, 2026 and February 25, 2027, subject to the reporting person's continuous service.

F2 · shares: This amendment is being filed solely to correct an error in the number of RSUs and the Amount of Securities Beneficially Owned Following Reported Transaction(s) previously reported.

F2 · balance_after: This amendment is being filed solely to correct an error in the number of RSUs and the Amount of Securities Beneficially Owned Following Reported Transaction(s) previously reported.

SEC source: 0001562180-25-002352 · primarydocument.xml · nonDerivative · entry 1

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,509

F1 · shares: Represents restricted stock units ("RSU") that were granted in March 2024 subject to performance-based vesting conditions pertaining to 2024 performance, the achievement of which was certified by the Board on February 25, 2025. Of these RSUs, 1/3rd of the shares vested on February 25, 2025, and the remainder of the shares underlying the RSUs will vest in equal installments on each of February 25, 2026 and February 25, 2027, subject to the reporting person's continuous service.

F2 · shares: This amendment is being filed solely to correct an error in the number of RSUs and the Amount of Securities Beneficially Owned Following Reported Transaction(s) previously reported.

F2 · balance_after: This amendment is being filed solely to correct an error in the number of RSUs and the Amount of Securities Beneficially Owned Following Reported Transaction(s) previously reported.

SEC source: 0001562180-25-003949 · primarydocument.xml · nonDerivative · entry 1

Dutt Subir · CIK 0002024040 · Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,013

F1 · shares: Represents restricted stock units ("RSU") that were granted in May 2024 subject to performance-based vesting conditions pertaining to 2024 performance, the achievement of which was certified by the Board on February 25, 2025. Of these RSUs, 1/3rd of the shares vested on May 15, 2025, and the remainder of the shares underlying the RSUs will vest in equal installments on each of May 15, 2026 and May 15, 2027, subject to the reporting person's continuous service.

SEC source: 0001562180-25-001158 · primarydocument.xml · nonDerivative · entry 2

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 161,993

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 90 days prior to the trading date.

SEC source: 0001562180-25-001158 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 162,107

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 90 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 $35.075 to $35.975, 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: 0001562180-25-000510 · primarydocument.xml · nonDerivative · entry 2

Sahni Sanjeev Singh · CIK 0002051034 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,766

F3 · shares: Represents a restricted stock unit ("RSU") grant. One quarter (1/4) of the shares underlying the RSUs will vest on January 1, 2026 and the remainder of the shares underlying the RSUs vest quarterly for the 3 years thereafter, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-000510 · primarydocument.xml · nonDerivative · entry 1

Sahni Sanjeev Singh · CIK 0002051034 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,200

F1 · shares: Represents a restricted stock unit ("RSU") grant. Sixty percent of the shares underlying the RSUs will vest on January 7, 2026, 30% will vest on January 7, 2027 and the remainder of the shares underlying the RSUs will vest on January 7, 2028, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-25-000390 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 164,993

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 90 days prior to the trading date.

SEC source: 0001562180-25-000182 · primarydocument.xml · nonDerivative · entry 2

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 167,993

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 90 days prior to the trading date.

F2 · kind: These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001562180-25-000182 · primarydocument.xml · nonDerivative · entry 1

Goguen Peter · CIK 0001870011 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 168,071

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 90 days prior to the trading date.

F2 · kind: These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.96 to $42.77, 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: 0001562180-25-000173 · primarydocument.xml · nonDerivative · entry 2

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,329

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 90 days prior to the trading date.

F2 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.77 to $43.18, inclusive.

SEC source: 0001562180-25-000173 · primarydocument.xml · nonDerivative · entry 1

Miln James · CIK 0001786790 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,857

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 90 days prior to the trading date.

F2 · kind: These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.77 to $42.76, 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) and (4) to this Form 4.