MP Officer Hoops Plans $200K Stock Sale Under Rule 144 Filing

Rhea-AI Filing Summary

Officer Elliot Hoops has filed a Form 144 indicating intent to sell 5,523 MP Materials (MP) common shares through Merrill Lynch on or about 26 Jun 2025 via the NYSE. At the last reported price, the shares are valued at $200,650.59. MP has 163,456,298 shares outstanding, so the proposed sale represents roughly 0.003% of the float.

The shares derive from RSUs acquired 17 May 2025. Hoops adopted a Rule 10b5-1 trading plan on 26 Feb 2025, suggesting the transaction is pre-scheduled. Recent Form 144 disclosures show Hoops already sold 6,338 shares on 12–13 Jun 2025 for gross proceeds of $189,603, bringing cumulative disclosed sales to 11,861 shares this quarter. No other company financials are included in this filing.

Positive

• Sale executed under a pre-established Rule 10b5-1 plan, reducing concerns about opportunistic trading and insider information misuse.

Negative

• Continued insider selling may signal reduced confidence and adds incremental supply, albeit at an immaterial scale.
• Aggregate insider disposals of 11,861 shares this quarter could draw attention if the pattern persists.

Insights

Securities Analyst

TL;DR: Small, pre-planned insider sale; immaterial to float, mildly negative sentiment but low fundamental impact.

The filing signals continued insider selling by an officer, but the volume—0.003% of shares outstanding—is negligible for price discovery. Execution under a 10b5-1 plan mitigates information-asymmetry concerns, indicating routine diversification rather than bearish timing. Prior sales earlier in June suggest sustained liquidity needs yet still represent a fraction of ownership. Overall market impact should be muted unless insider activity accelerates or aligns with adverse corporate news.

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	0001862894
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. / DE
SEC File Number	001-39277
Address of Issuer	1700 S. PAVILION CENTER DR. SUITE 800 LAS VEGAS NEVADA 89135
Phone	(702) 844-6111
Name of Person for Whose Account the Securities are To Be Sold	Hoops Elliot Dean
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

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	Merrill Lynch, Pierce, Fenner & Smith Inc. 39577 Woodward Ave., Ste 200 Bloomfield Hills MI 48304	5523	200650.59	163456298	06/26/2025	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	05/17/2025	RSU	MP Materials Inc			5523	05/17/2025	Cash

* 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
Elliot Hoops 1700 S. Pavilion Center Drive Las Vegas NV 89135	Common	06/12/2025	800	23885.00
Elliot Hoops 1700 S. Pavilion Center Drive Las Vegas NV 89135	Common	06/13/2025	5538	165718.00

144: Remarks and Signature

Remarks
Date of Notice	06/26/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/26/2025
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	Elliot Hoops
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many MP shares does Officer Elliot Hoops plan to sell?

He intends to sell 5,523 common shares.

What is the estimated value of the planned sale?

The aggregate market value is approximately $200,650.59.

When is the proposed sale date for MP (MP) shares?

The Form 144 lists an approximate sale date of 26 June 2025.

Is the sale covered by a 10b5-1 trading plan?

Yes. The plan was adopted on 26 February 2025.

How many MP shares has Hoops sold in the last three months?

Previous filings show 6,338 shares sold on 12–13 June 2025.

What percentage of MP's outstanding shares does the planned sale represent?

Roughly 0.003% of the 163,456,298 shares outstanding.