MRX (MRX) insider Simon Van Den Born files to sell 28,000 shares

Rhea-AI Filing Summary

MRX insider Simon Van Den Born filed a notice to sell up to 28,000 shares of Common Stock through Goldman Sachs & Co. LLC on the NASD, with an aggregate market value of $1,099,840. The issuer had 71,231,706 shares outstanding, and the planned sale date is February 2, 2026.

The 28,000 shares were acquired as compensation via restricted stock units from the issuer on May 4, 2023 (26,758 shares) and May 17, 2024 (1,242 shares). Over the past three months, the filer sold 14,000 shares of Common Stock on each of November 3, 2025, December 1, 2025, and January 5, 2026, for gross proceeds of $433,636, $493,194.8, and $550,800.6, respectively.

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
Common Stock	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	28000	1099840	71231706	02/02/2026	NASD

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 *
Common Stock	05/04/2023	Acquired as compensation -- Restricted Stock Units	The Issuer			26758	05/04/2023	Compensation
Common Stock	05/17/2024	Acquired as compensation -- Restricted Stock Units	The Issuer			1242	05/17/2024	Compensation

* 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
Simon Van Den Born 155 Bishopsgate London X0 EC2M 3TQ	Common Stock	12/01/2025	14000	493194.8
Simon Van Den Born 155 Bishopsgate London X0 EC2M 3TQ	Common Stock	11/03/2025	14000	433636
Simon Van Den Born 155 Bishopsgate London X0 EC2M 3TQ	Common Stock	01/05/2026	14000	550800.6

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 MRX Form 144 filing by Simon Van Den Born disclose?

The Form 144 shows that Simon Van Den Born intends to sell up to 28,000 MRX Common Stock shares. The planned sale has an aggregate market value of $1,099,840 and will be executed through Goldman Sachs & Co. LLC on the NASD exchange.

How many MRX shares is the insider planning to sell under this Form 144?

The notice covers a planned sale of 28,000 MRX Common Stock shares. These shares were acquired as compensation via restricted stock units granted on May 4, 2023 and May 17, 2024, and are scheduled for sale around February 2, 2026.

What prior MRX stock sales has Simon Van Den Born made recently?

Over the past three months, Simon Van Den Born sold 14,000 MRX Common Stock shares on November 3, 2025, another 14,000 on December 1, 2025, and 14,000 on January 5, 2026, generating gross proceeds of $433,636, $493,194.8, and $550,800.6, respectively.

How were the MRX shares in this Form 144 originally acquired?

The 28,000 MRX shares in this filing were acquired from the issuer as compensation through restricted stock units. Specifically, 26,758 shares were acquired on May 4, 2023 and 1,242 shares on May 17, 2024, with compensation listed as the nature of payment.

Which broker and exchange are involved in this MRX Form 144 sale?

The filing lists Goldman Sachs & Co. LLC, located at 200 West Street, New York, NY 10282, as the broker handling the transaction. The shares are expected to be sold on the NASD exchange, with an approximate sale date of February 2, 2026.

How many MRX shares were outstanding when the Form 144 was filed?

The Form 144 states that 71,231,706 MRX Common Stock shares were outstanding. This figure provides context for the planned sale of 28,000 shares covered by the notice and is reported directly in the securities information section.