MP insider files Form 144 for 248,411-share common stock sale

Rhea-AI Filing Summary

MP reported that an affiliated holder filed a Form 144 notice to potentially sell 248,411 shares of common stock through Morgan Stanley Smith Barney LLC on or about November 20, 2025 on the NYSE. The filing lists an aggregate market value of $15,864,147.49 for these shares, compared with 177,230,483 shares outstanding of the same class. The seller acquired 127,111 shares as founder stock on November 17, 2020 and 121,300 shares are scheduled to vest as restricted stock on November 18, 2025. Over the prior three months, a related seller disposed of 25,000 common shares for gross proceeds of $1,644,132.50. The signer represents that they are not aware of undisclosed material adverse information about MP.

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	248411	15864147.49	177230483	11/20/2025	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	Founder Stock	Issuer			127111	11/17/2020	Not Applicable
Common	11/18/2025	Restricted stock vesting under a registered plan	Issuer			121300	11/18/2025	Not Applicable

* 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
MS GIFT LITINSKY GIVING FND 1700 S. Pavilion Center Drive Suite 800 Las Vegas NV 89135	COMMON	09/15/2025	25000	1644132.50

144: Remarks and Signature

Remarks

Date of Notice

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 MP's latest Form 144 filing disclose?

The Form 144 for MP discloses a planned sale of up to 248,411 shares of common stock through Morgan Stanley Smith Barney LLC on or about November 20, 2025 on the NYSE.

How many MP shares are covered by the Form 144 and what is their market value?

The notice covers 248,411 common shares of MP with an aggregate market value of $15,864,147.49, based on the price information used in the filing.

How does the planned MP share sale compare to shares outstanding?

The filing shows 177,230,483 MP common shares outstanding. The 248,411 shares in the Form 144 represent a small portion of that outstanding amount.

How and when were the MP shares in the Form 144 acquired?

The seller acquired 127,111 MP shares as founder stock on November 17, 2020, and 121,300 shares are scheduled to vest as restricted stock under a registered plan on November 18, 2025.

Has the MP insider or related parties sold shares recently?

During the past three months, a related seller, MS GIFT LITINSKY GIVING FND, sold 25,000 MP common shares on September 15, 2025 for gross proceeds of $1,644,132.50.

What representation does the MP Form 144 signer make about company information?

The person for whose account the MP securities are to be sold represents that they do not know of any material adverse information about MP's current or prospective operations that has not been publicly disclosed.