MoonLake Immunotherapeutics (NASDAQ: MLTX) files Form 144 to report Class A resale intent

Rhea-AI Filing Summary

MoonLake Immunotherapeutics submitted a Form 144 notice concerning proposed sales of Class A common shares. The filing lists a 150,000 share figure alongside account and outstanding figures and shows 3,027,483 shares obtained upon exchange on 10/01/2023.

The filing names UBS Financial Services Inc. as the broker and includes a filing date of 04/10/2026. The excerpt does not state prices, planned sale timing, or proceeds treatment.

Insights

Securities Compliance Attorney

Form 144 records an intended resale of restricted shares under Rule 144.

This Form 144 lists Class A shares with broker UBS Financial Services Inc. and shows 150,000 in a column alongside account figures; it also records 3,027,483 shares obtained by exchange on 10/01/2023. The notice functions as a seller’s regulatory disclosure rather than an executed sale.

Key dependencies are Rule 144 holding/volume conditions and any broker execution; the excerpt does not show timing, price, or whether volume limitations apply. Subsequent filings or trade reports would show completed transactions.

Key Figures

Filing date: 04/10/2026 Noted shares (column): 150,000 Shares obtained by exchange: 3,027,483 shares +1 more

4 metrics

Filing date 04/10/2026 Form 144 submission date shown in excerpt

Noted shares (column) 150,000 Class A row shows this share figure in the excerpt

Shares obtained by exchange 3,027,483 shares Recorded as obtained upon exchange on 10/01/2023

Account/outstanding figures 2,787,000; 71,727,875 Numeric columns shown next to broker and Nasdaq listing

Key Terms

Form 144, Rule 144 resale, exchange of shares

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

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.

Rule 144 resale regulatory

"144: Securities Sold During The Past 3 Months"

exchange of shares market

"Exchange of Shares ... Shares were obtained upon exchange from MLTX"

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Accepted by SEC EDGAR 04/10/2026 - 09:56 AM Learn about SEC filing dates

FAQ

What does MoonLake (MLTX) Form 144 mean?

It means a holder declared intent to resell restricted Class A shares under Rule 144. The filing lists 150,000 and references 3,027,483 shares obtained by exchange on 10/01/2023, with UBS named as broker.

Does the Form 144 show proceeds or sale price for MLTX shares?

No, the filing excerpt does not show sale prices or proceeds. It lists share counts, a broker (UBS Financial Services), and a filing date of 04/10/2026 but includes no price or proceeds details.

How many MLTX shares were obtained by exchange according to the filing?

The excerpt shows 3,027,483 shares obtained upon exchange on 10/01/2023. That figure appears in the ‘Securities To Be Sold’ row with the exchange notation and date.

Will this Form 144 automatically result in open-market sales of MLTX shares?

No, a Form 144 is a notice of intent to sell; it does not confirm sales occurred. Execution, timing, and volume depend on broker activity and Rule 144 conditions not detailed in the excerpt.

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
Class A	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	150000	2787000	71727875	04/10/2026	Nasdaq

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 *
Class A	10/01/2023	Exchange of Shares	MoonLake Immunotherapeutics			3027483	10/01/2023	Shares were obtained upon exchange from MLTX

* 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

Nothing to Report

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)