Mineralys files Form 144 to sell 416 shares

Mineralys Therapeutics submitted a Form 144 notifying the sale of 416 shares of Common Stock on 04/17/2026 via a broker-assisted cashless exercise of employee stock options.

Rhea-AI Filing Summary

Mineralys Therapeutics submitted a Form 144 notifying the sale of 416 shares of Common Stock on 04/17/2026 via a broker-assisted cashless exercise of employee stock options. The filing also lists multiple recent open-market dispositions by David Rodman over the prior three months, with individual sales such as 14,058 shares on 04/13/2026 ($373,086.81) and 6,348 shares on 04/15/2026 ($175,585.68).

Insights

Securities Counsel

Routine Rule 144 sale notice for option exercise and prior insider sales.

The filing documents a broker-assisted cashless exercise that resulted in the sale of 416 shares on 04/17/2026. A cashless exercise commonly satisfies tax and option exercise obligations by selling a portion of acquired shares through a broker.

The record of multiple recent sales by David Rodman is disclosed as required; the listed transactions show specific share counts and gross proceeds. This Form 144 is an administrative notice of intended sale under Rule 144 and does not by itself change the company’s financial statements or governance.

Key Figures

Form 144 sale: 416 shares Recent sale example: 14,058 shares Recent sale example: 6,348 shares

3 metrics

Form 144 sale 416 shares sale via cashless exercise on 04/17/2026

Recent sale example 14,058 shares sale on 04/13/2026 for $373,086.81 (David Rodman)

Recent sale example 6,348 shares sale on 04/15/2026 for $175,585.68 (David Rodman)

Key Terms

Form 144, broker-assisted cashless exercise, employee stock options

3 terms

Form 144 regulatory

"submitted a Form 144 notifying the sale of 416 shares"

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.

broker-assisted cashless exercise financial

"via a broker-assisted cashless exercise of employee stock options"

employee stock options financial

"Exercise of employee stock options recorded on 04/17/2026"

Employee stock options are contracts that give workers the right to buy a company's shares at a set price sometime in the future, like a coupon that lets you purchase stock at today’s price later on. Investors care because they align employees’ incentives with company performance and create a potential future claim on shares that can reduce existing owners’ percentage and add to a company’s reported compensation costs.

FAQ

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

What does Mineralys (MLYS) Form 144 report?

It reports the intended sale of 416 shares on 04/17/2026 via a broker-assisted cashless exercise. The filing also lists several prior sales by David Rodman with dates and gross proceeds.

Who conducted recent sales listed in the Form 144 for MLYS?

The filing lists multiple open-market dispositions by David Rodman, including 14,058 shares on 04/13/2026 for $373,086.81 and 6,348 shares on 04/15/2026 for $175,585.68.

What is a broker-assisted cashless exercise listed in the MLYS filing?

A broker-assisted cashless exercise occurs when a broker sells enough shares at exercise to cover costs and taxes, delivering net shares or proceeds. The filing states the 04/17/2026 sale used this method.

Does the Form 144 change Mineralys’ financials or governance?

No. This Form 144 is a regulatory notice of sale under Rule 144 and represents insider share transactions; it does not itself alter company financial statements or board composition.

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

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Accepted by SEC EDGAR 04/17/2026 - 04:17 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	416	13033.28	82399478	04/17/2026	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	04/17/2026	Exercise of employee stock options	Mineralys Therapeutics, Inc.			416	04/17/2026	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	01/14/2026	11367	370645.39
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	01/20/2026	416	13353.60
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	02/09/2026	2171	65585.91
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

144: Remarks and Signature

Remarks
Date of Notice	04/17/2026
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)