Mineralys Therapeutics (NASDAQ: MLYS) flagged sale of 104,124 shares via cashless exercise

Rhea-AI Filing Summary

Mineralys Therapeutics reports a Form 144 notice to sell 104,124 shares of Common Stock.

The filing lists a broker-assisted cashless exercise tied to the exercise of employee stock options on 06/26/2026, shows proceeds of $2,696,321.98, and records 82,498,101 shares outstanding as of 06/26/2026. The broker named is Merrill Lynch.

Key Figures

Shares to be sold: 104,124 shares Proceeds: $2,696,321.98 Shares outstanding: 82,498,101 shares +1 more

4 metrics

Shares to be sold 104,124 shares listed sale amount in Form 144

Proceeds $2,696,321.98 amount shown alongside the securities in the filing

Shares outstanding 82,498,101 shares outstanding as of 06/26/2026

Transaction date 06/26/2026 date of exercise and broker-assisted cashless exercise

Key Terms

cashless exercise, Form 144, exercise of employee stock options

3 terms

cashless exercise financial

"Broker assisted cashless exercise"

A cashless exercise is a way for an option holder to convert stock options into actual shares without paying the purchase price in cash; instead they immediately give up a portion of the newly issued shares to cover the cost and any withholding taxes. Investors care because this process increases the number of shares available and can slightly dilute existing holdings, while also signaling how insiders or employees are realizing compensation without needing cash — similar to paying for a purchase by handing over part of what you just bought.

Form 144 regulatory

"Filer Information | 144: Filer Information"

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.

exercise of employee stock options financial

"Exercise of employee stock options"

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Available on EDGAR 06/29/2026 - 09:06 AM Accepted by SEC EDGAR 06/29/2026 - 09:05 AM 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 Stock	Merrill Lynch 225 Liberty Street Floor 37 New York NY 10281	104124	2696321.98	82498101	06/26/2026	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 *
Common Stock	06/26/2026	Exercise of employee stock options	Mineralys Therapeutics, Inc.			104124	06/26/2026	Broker assisted cashless exercise

* 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

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 Mineralys (MLYS) Form 144 report?

It reports a proposed sale of 104,124 shares of Common Stock. The notice states the sale arises from an exercise of employee stock options and was processed as a broker-assisted cashless exercise on 06/26/2026.

How much value is shown for the shares in the Form 144?

The filing lists proceeds of $2,696,321.98 associated with the transaction. This figure appears alongside the 104,124 shares and the 06/26/2026 transaction date in the Form 144 excerpt.

Who handled the transaction in the Form 144 filing for MLYS?

The broker identified is Merrill Lynch at 225 Liberty Street, New York. The filing specifies the sale method as a broker-assisted cashless exercise executed on 06/26/2026.

Does the Form 144 include company outstanding share data?

Yes; the excerpt records 82,498,101 shares outstanding as of 06/26/2026. That outstanding-share figure is provided in the same filing section as the sale details and date.