MP (NYSE: MP) insider trust discloses planned Rule 144 stock sale

Rhea-AI Filing Summary

A trust associated with an insider has filed a notice of proposed sales of MP common stock under Rule 144. The filing indicates an intention to sell 27,400 common shares through Morgan Stanley Smith Barney LLC, with an aggregate market value of 1639068.00, against 177230483 common shares outstanding, on or around 01/07/2026 on the NYSE. These 27,400 shares were acquired as founder shares from the issuer on 11/17/2020.

The notice also details prior sales by the same trust during the past three months. On 12/05/2025, the trust sold 385000 common shares for gross proceeds of 24232308.26, and on 11/20/2025 it sold 248411 common shares for gross proceeds of 15864582.52. By signing the notice, the seller represents that they are not aware of undisclosed material adverse information about the issuer.

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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	27400	1639068.00	177230483	01/07/2026	NYSE

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	11/17/2020	Founders Shares	Issuer			27400	11/17/2020	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 HENRY LITINSKY REVOCABLE TRUST U/A DTD 10/19/2011 1700 S. Pavilion Center Drive, Suite 800 Las Vegas NV 89135	Common	12/05/2025	385000	24232308.26
JAMES HENRY LITINSKY REVOCABLE TRUST U/A DTD 10/19/2011 1700 S. Pavilion Center Drive, Suite 800 Las Vegas NV 89135	Common	11/20/2025	248411	15864582.52

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 stock is involved in this Rule 144 filing for MP?

The filing covers planned sales of common stock of the MP issuer. It identifies the securities as Common shares listed on the NYSE.

How many MP shares are planned to be sold under this Rule 144 notice?

The notice states an intention to sell 27,400 common shares, with an aggregate market value of 1639068.00, through Morgan Stanley Smith Barney LLC.

When were the MP shares to be sold under Rule 144 originally acquired?

The 27,400 MP common shares were acquired on 11/17/2020 as Founders Shares from the issuer, with the date of payment also listed as 11/17/2020.

How many MP shares has the seller disposed of in the past three months?

The filing shows that the JAMES HENRY LITINSKY REVOCABLE TRUST sold 385000 MP common shares on 12/05/2025 and 248411 shares on 11/20/2025.

What gross proceeds were received from recent MP share sales?

The trust received 24232308.26 in gross proceeds from the 12/05/2025 sale of 385000 shares and 15864582.52 from the 11/20/2025 sale of 248411 shares.

How many MP common shares are outstanding according to this filing?

The notice reports that there are 177230483 MP common shares outstanding, providing context for the size of the planned and recent sales.

What representation does the seller make about information on MP in this Rule 144 filing?

By signing, the seller represents that they do not know any material adverse information about the issuer's current or prospective operations that has not been publicly disclosed.