Form 144: Trust Seeks to Sell 150,000 MP Shares

James Henry Litinsky Rev Trust filed a Form 144 reporting an intended sale of 150,000 shares of Common stock of the issuer.

Rhea-AI Filing Summary

James Henry Litinsky Rev Trust filed a Form 144 reporting an intended sale of 150,000 shares of Common stock of the issuer. The filing also discloses recent dispositions: 259,179 shares sold on 04/20/2026 for $16,588,149.58 and 40,821 shares sold on 04/17/2026 for $2,613,459.75.

Insights

Securities Counsel

Routine Rule 144 notice of proposed resale by an affiliate/entity.

Form 144s notify brokers and the market of an affiliate’s planned sale under resale exemptions. This filing lists 150,000 shares proposed for sale and records two recent dispositions totaling 300,000 shares on 04/17/2026–04/20/2026.

Timing and method of sale are not specified in the excerpt; subsequent trade reports or broker confirmations will show execution details and cash‑flow treatment.

Key Figures

Proposed sale: 150,000 shares Disposition on 04/20/2026: 259,179 shares Disposition on 04/17/2026: 40,821 shares +1 more

4 metrics

Proposed sale 150,000 shares Common stock (Founder Stock) listed in the Form 144 excerpt

Disposition on 04/20/2026 259,179 shares sold on <date>04/20/2026</date> for <money>$16,588,149.58</money>

Disposition on 04/17/2026 40,821 shares sold on <date>04/17/2026</date> for <money>$2,613,459.75</money>

Broker contact listed 150,000 (numeric present in broker line) Morgan Stanley Smith Barney LLC Executive Financial Services entry shows 150,000 near broker info

Key Terms

Form 144, Founder Stock, Rev Trust

3 terms

Form 144 regulatory

"filed a Form 144 reporting an intended sale"

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.

Founder Stock market

"Common | 11/17/2020 | Founder Stock"

Rev Trust other

"James Henry Litinsky Rev Trust 1700 S. Pavilion Center Drive"

FAQ

What does MP Form 144 filed by James Henry Litinsky Rev Trust report?

It reports an intended sale of 150,000 shares of Common stock. The filing also discloses recent sales of 259,179 and 40,821 shares on 04/20/2026 and 04/17/2026, respectively, with proceeds shown in the filing.

Did the filing show proceeds from recent MP sales?

Yes. The filing shows proceeds of $16,588,149.58 for 259,179 shares sold on 04/20/2026 and $2,613,459.75 for 40,821 shares sold on 04/17/2026, as listed in the excerpt.

Who is the registered filer in the MP Form 144 excerpt?

The excerpt lists Morgan Stanley Smith Barney LLC Executive Financial Services as a broker/dealer contact and identifies the selling party as James Henry Litinsky Rev Trust, with its address shown in the filing excerpt.

Does the Form 144 specify how the proposed 150,000 shares will be sold?

No. The excerpt lists the proposed amount of 150,000 shares but does not specify sale method, timing, or whether sales will be block trades, brokerage transactions, or other methods in the provided text.

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Accepted by SEC EDGAR 05/12/2026 - 05:05 PM Learn about SEC filing dates

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	0001831746
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MP Materials Corp.
SEC File Number	001-39277
Address of Issuer	1700 S. Pavilion Center Drive Suite 800 Las Vegas NEVADA 89135
Phone	(702) 844-6111
Name of Person for Whose Account the Securities are To Be Sold	JAMES HENRY LITINSKY REVOCABLE TRUST
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	Officer
Relationship to Issuer	Director

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	150000	9823500.00	178022198	05/12/2026	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	Founder Stock	Issuer			150000	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 Rev Trust 1700 S. Pavilion Center Drive Suite 800 Las Vegas NV 89135	Common	04/20/2026	259179	16588149.58
James Henry Litinsky Rev Trust 1700 S. Pavilion Center Drive Suite 800 Las Vegas NV 89135	Common	04/17/2026	40821	2613459.75

144: Remarks and Signature

Remarks
Date of Notice	05/12/2026
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	/s/ James Henry Litinsky, Trustee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)