Class A sale notice by Issuer (NASDAQ: XMTR)

Rhea-AI Filing Summary

XMTR — Rule 144 notice of proposed sale of Class A Common shares. The filing lists 2,392 Class A Common shares to be sold with an effective date of 04/01/2026. The notice also discloses multiple recent sales by James Miln totaling several tens of thousands of shares between 01/02/2026 and 04/01/2026, including a 15,103-share sale on 02/26/2026 for $656,305.40.

Insights

Corporate Governance Analyst

Routine Rule 144 disclosure showing an intended resale and recent insider sales.

The filing is a regulatory notice under Rule 144 that names the class of security (Class A Common) and lists 2,392 shares slated for sale on 04/01/2026. It is procedural: Rule 144 filings notify the market of proposed resales by affiliates or restricted holders.

Recent sale entries for James Miln show multiple open-market dispositions between 01/02/2026 and 04/01/2026 with specific share counts and gross proceeds recorded (for example, 15,103 shares for $656,305.40 on 02/26/2026). These line-item disclosures document prior activity; they do not by themselves indicate company-level funding or operational changes.

Key Figures

Shares proposed for resale: 2,392 shares Recent sale — 02/26/2026: 15,103 shares Recent sale — 03/02/2026: 12,272 shares +2 more

5 metrics

Shares proposed for resale 2,392 shares to be sold on 04/01/2026

Recent sale — 02/26/2026 15,103 shares sold on 02/26/2026 for $656,305.40

Recent sale — 03/02/2026 12,272 shares sold on 03/02/2026 for $515,431.23

Recent sale — 01/05/2026 6,203 shares sold on 01/05/2026 for $412,566.49

Recent sale — 04/01/2026 1,500 shares sold on 04/01/2026 for $63,049.05

Key Terms

Form 144, Class A Common, Stock Award

3 terms

Form 144 regulatory

"Rule 144 sale notice for Class A Common shares"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Class A Common financial

"Securities Information lists Class A Common as the security type"

Stock Award financial

"Securities To Be Sold entry indicates 'Stock Award' as origin"

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common	UBS Financial Services, Inc. 11 Madison Avenue 4th Floor New York NY 10010	2392	96254.08	50349113	04/02/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common	04/01/2026	Stock Award	Issuer			2392	04/01/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
James Miln 6116 EXECUTIVE BOULEVARD, SUITE 800 NORTH BETHESDA MD 20852	Class A Common	01/02/2026	598	36955.26
James Miln 6116 EXECUTIVE BOULEVARD SUITE 800 NORTH BETHESDA MD 20852	Class A Common	01/05/2026	6203	412566.49
James Miln 6116 EXECUTIVE BOULEVARD, SUITE 800 NORTH BETHESDA MD 20852	Class A Common	02/02/2026	599	35327.94
James Miln 6116 EXECUTIVE BOULEVARD, SUITE 800 NORTH BETHESDA MD 20852	Class A Common	02/26/2026	15103	656305.40
James Miln 6116 EXECUTIVE BOULEVARD, SUITE 800 NORTH BETHESDA MD 20852	Class A Common	03/02/2026	12272	515431.23
James Miln 6116 EXECUTIVE BOULEVARD, SUITE 800 NORTH BETHESDA MD 20852	Class A Common	04/01/2026	1500	63049.05

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the XMTR Form 144 filing disclose?

The filing discloses a proposed sale of 2,392 Class A Common shares dated 04/01/2026. It also lists multiple recent sales by James Miln between 01/02/2026 and 04/01/2026, with per-trade proceeds recorded.

Who is the selling party shown in the XMTR excerpt?

The excerpt names James Miln as the reported seller for recent transactions. Multiple sell entries list dates, share counts, and gross proceeds tied to his address.

How many shares and proceeds are shown for the largest recent trade?

The largest trade in the excerpt is 15,103 shares sold on 02/26/2026 for $656,305.40, as listed in the sales history section of the filing.

Does this Form 144 filing indicate company proceeds or issuer involvement?

The filing records a proposed resale of restricted/affiliate shares under Rule 144; it does not state company proceeds or use of funds. The listed trades show gross proceeds tied to the selling party.

Are the recent sales in the filing actual completed trades or notices?

The sales listed for James Miln include specific dates, share counts, and dollar amounts, indicating completed transactions during the past three months as reported in the filing.