Mark Chalmers sells 200,000 shares of Energy Fuels (UUUU) for $2.90M

Rhea-AI Filing Summary

Mark Chalmers reported a sale of 200,000 shares of Energy Fuels Inc. The sale is dated 06/29/2026 with a reported aggregate amount of $2,902,800. The filing lists previously vested RSUs of 61,081 (01/27/2022) and 38,919 (01/27/2023).

Insights

Capital Markets Compliance

Form 144 records an insider sale of 200,000 shares for $2,902,800 on 06/29/2026.

Mark Chalmers is identified as the reporting person and the filing lists the broker address for RBC Capital Markets. The filing itemizes an aggregate sale value of $2,902,800 tied to 06/29/2026, consistent with a standard Form 144 disclosure of restricted or control securities offered for sale.

Timing and execution details beyond the sale date and aggregate amount are not included in the excerpt; subsequent filings or trade reports would show market execution specifics and any proceeds treatment.

Key Figures

Shares sold: 200,000 shares Aggregate sale value: $2,902,800 RSUs vested (2022): 61,081 shares +1 more

4 metrics

Shares sold 200,000 shares sale dated 06/29/2026

Aggregate sale value $2,902,800 aggregate amount reported for 06/29/2026 sale

RSUs vested (2022) 61,081 shares vest date 01/27/2022

RSUs vested (2023) 38,919 shares vest date 01/27/2023

Key Terms

Form 144, RSU VEST, Issuer

3 terms

Form 144 regulatory

"Securities Sold During The Past 3 Months — 06/29/2026 200000 2902800.00"

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.

RSU VEST financial

"COMMON | 01/27/2022 | RSU VEST | ISSUER"

Issuer regulatory

"RSU VEST | ISSUER | | | 61081"

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Available on EDGAR 07/02/2026 - 03:58 PM Accepted by SEC EDGAR 07/02/2026 - 03:58 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
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

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	RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	100000	1368260.00	249867000	07/02/2026	AMEX

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	01/27/2022	RSU VEST	ISSUER			61081	01/27/2022	N/A
COMMON	01/27/2023	RSU VEST	ISSUER			38919	01/27/2023	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
MARK CHALMERS C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL MINNEAPOLIS MN 55401	ENERGY FUELS INC	06/29/2026	200000	2902800.00

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 the Form 144 for UUUU disclose about the transaction?

The Form 144 discloses a sale of 200,000 shares on 06/29/2026. It reports an aggregate value of $2,902,800 and lists vested RSU amounts dated 01/27/2022 and 01/27/2023.

Who is listed as the seller in the UUUU Form 144 filing?

Mark Chalmers is named as the reporting person and seller. The filing also lists RBC Capital Markets as the broker contact at the Minneapolis address included in the notice.

What RSU or vested security amounts are shown in the filing?

The notice lists vested RSU amounts of 61,081 shares (01/27/2022) and 38,919 shares (01/27/2023). These figures appear as vested securities in the excerpted schedule.

Does the Form 144 state how the sale proceeds are used?

The excerpt does not state any use-of-proceeds language. The filing shows an aggregate sale value of $2,902,800 but does not specify who receives proceeds or their intended use.

Where can I find execution details for the 200,000-share sale?

Execution specifics (prices per share, trade timestamps, or market execution reports) are not included in this excerpt. Public trade records or later SEC filings may provide additional execution detail.