Sell4

Xometry, Inc.

XMTR

Total Value

$1.6M

Net $1.6M sold

Filing Date

Oct 2, 2026

11 transactions

Sales

$1.6M

11 transactions

Trade Summary

On Oct 1, 2026 through Oct 2, 2026, Altschuler Randolph, Insider, sold $1.6M of Xometry, Inc. (XMTR) across 11 transactions. The filing covers Class A Common Stock and reflects net selling of $1.6M. Reported prices ranged from $101.39 to $106.36. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Price at the Time of the Trade

XMTR daily price with the insider's sale marked at $103.78.

Sold near the 6-month high · about level with today's price.

Price data is delayed and provided for context only — not investment advice.

Insider Information

Name: Altschuler Randolph
Role: Insider
Location: NORTH BETHESDA, MD

Filing Details

Filing Date: Oct 2, 2026
Transaction Date: Oct 1, 2026
Accession Number: 0001869814-26-000009
Form Type: 4
Net Trading Amount: -$1.6M

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Oct 1, 2026	Class A Common Stock	3,947	$102.55	Sale	$404.8K
Oct 1, 2026	Class A Common Stock	741	$103.51	Sale	$76.7K
Oct 1, 2026	Class A Common Stock	1,829	$104.69	Sale	$191.5K
Oct 1, 2026	Class A Common Stock	3,466	$105.50	Sale	$365.6K
Oct 1, 2026	Class A Common Stock	17	$106.19	Sale	$1.8K
Oct 2, 2026	Class A Common Stock	1,632	$101.39	Sale	$165.5K
Oct 2, 2026	Class A Common Stock	1,068	$102.38	Sale	$109.3K
Oct 2, 2026	Class A Common Stock	1,124	$103.53	Sale	$116.4K
Oct 2, 2026	Class A Common Stock	470	$104.40	Sale	$49.1K
Oct 2, 2026	Class A Common Stock	1,334	$105.66	Sale	$141.0K
Oct 2, 2026	Class A Common Stock	93	$106.36	Sale	$9.9K

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Footnotes

(F1)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 90 days prior to the trading date.
(F10)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.96 to $103.86, inclusive.
(F11)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.185 to $105.16, inclusive.
(F12)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.22 to $106.05, inclusive.
(F13)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.28 to $106.365, inclusive.
(F2)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.06 to $103.05, 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 (5) and (8) through (13) to this Form 4.
(F3)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.12 to $104.10, inclusive.
(F4)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.13 to $105.09, inclusive.
(F5)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.15 to $106.11, inclusive.
(F6)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.
(F7)These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.
(F8)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.80 to $101.80, inclusive.
(F9)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.85 to $102.82, inclusive.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Altschuler Randolph

(Last)

(First)

(Middle)

C/O XOMETRY, INC.

6116 EXECUTIVE BLVD, SUITE 800

(Street)

NORTH BETHESDA

20852

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Xometry, Inc. [ XMTR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	10/01/2026		S⁽¹⁾		3,947	D	$102.5535⁽²⁾	547,323	I	Held by spouse
Class A Common Stock	10/01/2026		S⁽¹⁾		741	D	$103.5074⁽³⁾	546,582	I	Held by spouse
Class A Common Stock	10/01/2026		S⁽¹⁾		1,829	D	$104.6879⁽⁴⁾	544,753	I	Held by spouse
Class A Common Stock	10/01/2026		S⁽¹⁾		3,466	D	$105.4957⁽⁵⁾	541,287	I	Held by spouse
Class A Common Stock	10/01/2026		S⁽¹⁾		17	D	$106.19	541,270	I	Held by spouse
Class A Common Stock	10/02/2026		S⁽⁶⁾⁽⁷⁾		1,632	D	$101.3937⁽⁸⁾	427,118	D
Class A Common Stock	10/02/2026		S⁽⁶⁾⁽⁷⁾		1,068	D	$102.3841⁽⁹⁾	426,050	D
Class A Common Stock	10/02/2026		S⁽⁶⁾⁽⁷⁾		1,124	D	$103.5252⁽¹⁰⁾	424,926	D
Class A Common Stock	10/02/2026		S⁽⁶⁾⁽⁷⁾		470	D	$104.404⁽¹¹⁾	424,456	D
Class A Common Stock	10/02/2026		S⁽⁶⁾⁽⁷⁾		1,334	D	$105.6643⁽¹²⁾	423,122	D
Class A Common Stock	10/02/2026		S⁽⁶⁾⁽⁷⁾		93	D	$106.3577⁽¹³⁾	423,029	D
Class B Common Stock								1,475,311	D
Class A Common Stock								455,248	I	Held by Altschuler Family Trust (2020)
Class A Common Stock								324,533	I	Held by The Matthew Sladkin Altschuler 2012 Trust
Class A Common Stock								324,533	I	Held by The Noah Sladkin Altschuler 2012 Trust
Class A Common Stock								324,533	I	Held by The Sasha Sladkin Altschuler 2012 Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. 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 90 days prior to the trading date.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.06 to $103.05, 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 (5) and (8) through (13) to this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.12 to $104.10, inclusive.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.13 to $105.09, inclusive.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.15 to $106.11, inclusive.

6. 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.

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

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.80 to $101.80, inclusive.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.85 to $102.82, inclusive.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.96 to $103.86, inclusive.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.185 to $105.16, inclusive.

12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.22 to $106.05, inclusive.

13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.28 to $106.365, inclusive.

Remarks:

	/s/ Kristie Scott, Attorney-in-Fact	10/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Form 4 as rendered by the SEC from accession 0001869814-26-000009.

Xometry, Inc.

Trade Summary

Price at the Time of the Trade

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

Price at the Time of the Trade

SEC Form 4