Trust sells 40,821 MP shares for $2.61M

James Henry Litinsky Revocable Trust reported a sale of 40,821 shares of Common stock under a 10b5-1 plan on 04/17/2026, producing proceeds of $2,614,744.25.

Rhea-AI Filing Summary

James Henry Litinsky Revocable Trust reported a sale of 40,821 shares of Common stock under a 10b5-1 plan on 04/17/2026, producing proceeds of $2,614,744.25. Morgan Stanley Smith Barney LLC is listed as the broker/executing firm.

Insights

Securities Counsel

Routine Section 144 sale under a 10b5-1 plan; broker identified.

The filing shows an orderly disposition: a 10b5-1 arrangement produced the reported sale of 40,821 shares on 04/17/2026. The broker named is Morgan Stanley Smith Barney LLC.

Cash‑flow treatment is explicit in the excerpt as $2,614,744.25 in gross proceeds; subsequent filings may show transaction fees or net amounts. No regulatory action or allegation is stated.

Key Figures

Shares sold: 40,821 shares Gross proceeds: $2,614,744.25 Securities listed: 259,179 shares

3 metrics

Shares sold 40,821 shares sale date <date>04/17/2026</date>

Gross proceeds $2,614,744.25 proceeds from sale on <date>04/17/2026</date>

Securities listed 259,179 shares listed in the filer securities section (entry present in excerpt)

Key Terms

10b5-1, Revocable Trust, Founders Shares

3 terms

10b5-1 regulatory

"10b5-1 Sales for JAMES HENRY LITINSKY REVOCABLE TRUST"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Revocable Trust legal

"JAMES HENRY LITINSKY REVOCABLE TRUST U/A DTD 10/19/2011"

A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.

Founders Shares market

"Founders Shares | Issuer | 259179 | 11/17/2020"

Founders shares are a special block of a company’s stock originally given to the people who started the business; they often carry extra voting power or favorable terms compared with regular shares. For investors, these shares matter because they concentrate control and influence how future funding, ownership dilution, and decision-making will play out—think of founders shares as the steering wheel that can steer a company’s direction even as more passengers (investors) climb aboard.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did the James Henry Litinsky Trust report in the Form 144 for MP?

The trust reported a sale of 40,821 shares of Common stock under a 10b5-1 plan on 04/17/2026. The filing lists gross proceeds of $2,614,744.25 and identifies Morgan Stanley Smith Barney LLC as broker.

How much cash did the Form 144 show for the MP sale?

The Form 144 shows gross proceeds of $2,614,744.25 from the reported sale. Fee or net‑proceeds details are not included in the excerpt and may appear in later disclosures.

Which broker handled the reported MP transaction?

The filing identifies Morgan Stanley Smith Barney LLC as the executing broker. The broker's address is listed as 1 New York Plaza, 8th Floor, New York, NY in the excerpt.

Was the sale reported as part of a trading plan?

Yes. The sale is described as a 10b5-1 sale by the James Henry Litinsky Revocable Trust dated 10/19/2011. The excerpt links the transaction date to 04/17/2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/20/2026 - 04:53 PM EDT 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	7028446111
Name of Person for Whose Account the Securities are To Be Sold	JAMES HENRY LITINSKY REVOCABLE TRUST U/A DTD 10/19/2011
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	Director
Relationship to Issuer	Officer

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	259179	15807327.21	177667450	04/20/2026	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			259179	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
10b5-1 Sales for JAMES HENRY LITINSKY REVOCABLE TRUST U/A DTD 10/19/2011 1700 S. Pavilion Center Drive, Suite 800 Las Vegas NV 89135	Common	04/17/2026	40821	2614744.25

144: Remarks and Signature

Remarks
Date of Notice	04/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/16/2025
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
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)