MP (NYSE: MP) Rule 144 filing covers 385,000 insider common shares

Rhea-AI Filing Summary

MP has a notice of proposed insider share sales under Rule 144. The filing covers up to 385,000 common shares, to be sold through Morgan Stanley Smith Barney LLC, with an indicated aggregate market value of $24,231,091.50 on the New York Stock Exchange. The issuer reports 177,230,483 shares outstanding at the time referenced.

The shares to be sold were acquired as founder stock from the issuer on 11/17/2020. The notice also lists prior activity over the past three months, including sales by the JAMES HENRY LITINSKY REVOCABLE TRUST of 248,411 common shares on 11/20/2025 for $15,864,147.49, and by MS GIFT LITINSKY GIVING FND of 25,000 common shares on 09/15/2025 for $1,644,132.50. The signer represents they are not aware of undisclosed material adverse information about the company’s operations.

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	385000	24231091.50	177230483	12/05/2025	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			385000	11/17/2020	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
JAMES HENRY LITINSKY REVOCABLE TRUST 1700 S. Pavilion Center Drive Suite 800 Las Vegas NV 89135	Common	11/20/2025	248411	15864147.49
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

How many MP common shares are covered by this Rule 144 notice?

The notice covers up to 385,000 common shares of MP to be sold under Rule 144.

What is the indicated market value of the MP shares to be sold?

The filing lists an aggregate market value of $24,231,091.50 for the 385,000 MP common shares subject to the planned sale.

When were the MP shares to be sold originally acquired and how?

The 385,000 MP common shares were acquired on 11/17/2020 as founder stock directly from the issuer, with the nature of payment noted as not applicable.

What prior MP share sales in the last three months are disclosed in this Form 144?

The filing lists sales of 248,411 common shares by the JAMES HENRY LITINSKY REVOCABLE TRUST on 11/20/2025 for $15,864,147.49, and 25,000 common shares by MS GIFT LITINSKY GIVING FND on 09/15/2025 for $1,644,132.50.

How many MP shares were outstanding at the time referenced in the filing?

The Rule 144 notice reports 177,230,483 common shares outstanding for the issuer.

Which broker is handling the planned MP share sale and on what exchange?

The planned sale uses Morgan Stanley Smith Barney LLC Executive Financial Services as broker, with the shares listed on the NYSE.

What representation does the seller make about non-public information on MP?

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