Mineralys proposes sale of 417 common shares

Mineralys Therapeutics submitted a Form 144 reporting a proposed sale of 417 shares of common stock on 05/18/2026 tied to an exercise of employee stock options.

Rhea-AI Filing Summary

Mineralys Therapeutics submitted a Form 144 reporting a proposed sale of 417 shares of common stock on 05/18/2026 tied to an exercise of employee stock options. The filing lists the sale method as a broker‑assisted cashless exercise and shows multiple recent dispositions by David Rodman during Feb–May 2026.

Key Figures

Proposed sale: 417 shares Proposed value shown: $11,488.35 Recent sale (example): 14,056 shares +1 more

4 metrics

Proposed sale 417 shares proposed sale date 05/18/2026, exercise of employee stock options

Proposed value shown $11,488.35 line item associated with 417 shares and Merrill Lynch entry dated 05/18/2026

Recent sale (example) 14,056 shares sale on 05/13/2026 by David Rodman for $401,789.92

Recent sale (example) 6,349 shares sale on 02/12/2026 by David Rodman for $184,076.52

Key Terms

broker‑assisted cashless exercise, Form 144, exercise of employee stock options

3 terms

broker‑assisted cashless exercise financial

"Common stock | 05/18/2026 | Exercise of employee stock options | ... | Broker assisted cashless exercise"

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.

exercise of employee stock options financial

"Common stock | 05/18/2026 | Exercise of employee stock options"

FAQ

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

What does the Form 144 for Mineralys (MLYS) report?

The Form 144 reports a proposed sale of 417 shares of common stock on 05/18/2026. It states the sale arises from an exercise of employee stock options and will use a broker‑assisted cashless exercise method.

Who is the reported seller and what recent sales are listed?

The filing lists transactions by David Rodman, including sales on dates from 02/12/2026 through 05/13/2026. The largest single recent entry shown is 14,056 shares on 05/13/2026 for $401,789.92.

What is a broker‑assisted cashless exercise as used in this filing?

A broker‑assisted cashless exercise permits an option holder to exercise options and simultaneously satisfy exercise costs via a brokered sale of shares. The filing identifies the method as broker‑assisted cashless exercise for the 05/18/2026 transaction.

Does the Form 144 specify proceeds to the issuer?

The filing ties the transaction to an exercise of employee stock options; it does not state the issuer receives proceeds. The method listed is a broker‑assisted cashless exercise, which typically results in sale proceeds routed through the broker.

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

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Accepted by SEC EDGAR 05/18/2026 - 04:10 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	0001672659
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	Mineralys Therapeutics, Inc.
SEC File Number	001-41614
Address of Issuer	150 N. RADNOR CHESTER RD. SUITE F200 RADNOR PENNSYLVANIA 19087
Phone	(888) 378-6240
Name of Person for Whose Account the Securities are To Be Sold	Rodman David Malcom
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 stock	Merrill Lynch 225 Liberty St Floor 37 New York NY 10281	417	11488.35	82498101	05/18/2026	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	05/18/2026	Exercise of employee stock options	Mineralys Therapeutics, Inc.			417	05/18/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	02/12/2026	6349	184076.52
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	02/16/2026	14055	385732.29
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	02/17/2026	417	11505.03
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	03/09/2026	2171	58269.64
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	03/12/2026	6348	173748.15
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	03/13/2026	14058	369225.07
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	03/17/2026	417	10696.05
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	04/09/2026	2170	59414.60
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	04/13/2026	14058	373086.81
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	04/15/2026	6348	175585.68
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	04/17/2026	416	13033.28
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	05/11/2026	2171	64500.41
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	05/12/2026	6348	186348.35
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	05/13/2026	14056	401789.92

144: Remarks and Signature

Remarks
Date of Notice	05/18/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/29/2025
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	David Rodman
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)