Mineralys affiliate files Form 144 to sell 14,058 shares

Mineralys Therapeutics, Inc. affiliate submitted a Form 144 notice reporting proposed sales of 14,058 shares of common stock for $373,086.81 to occur on 04/13/2026 via a broker-assisted cashless exercise.

Rhea-AI Filing Summary

Mineralys Therapeutics, Inc. affiliate submitted a Form 144 notice reporting proposed sales of 14,058 shares of common stock for $373,086.81 to occur on 04/13/2026 via a broker-assisted cashless exercise. The filing also lists multiple open-market dispositions by David Rodman totaling repeated small sales across January–April 2026, including a 14,058-share sale on 03/13/2026 for $369,225.07.

Insights

Securities Compliance Analyst

Form 144 records proposed affiliate resale and recent open-market dispositions.

The filing shows a proposed sale of 14,058 shares on 04/13/2026 via a broker-assisted cashless exercise, consistent with an affiliate disposing of shares under Rule 144 procedures. Multiple prior sales by David Rodman are listed with transaction dates and proceeds.

Cash‑flow treatment appears to be standard resale proceeds to the selling holder; timing for the proposed sale is the stated trade date.

Corporate Insider Transactions Specialist

Pattern shows repeated small-to-medium dispositions rather than a single large liquidation.

Recorded trades from January through April 2026 include several tranches (2,170; 6,348; 14,058; 11,367 shares, etc.) with per-trade proceeds shown. This sequence is typical of phased dispositions or withholding/settlement mechanics tied to option exercises.

Subsequent SEC filings (Forms 4/144) will confirm final settlement; the excerpt lists transaction dates and gross proceeds per trade.

Key Figures

Proposed shares to be sold: 14,058 shares Proceeds stated for proposed sale: $373,086.81 Example prior sale: 14,058 shares +2 more

5 metrics

Proposed shares to be sold 14,058 shares to be sold on 04/13/2026 via broker-assisted cashless exercise

Proceeds stated for proposed sale $373,086.81 value associated with the 14,058-share entry dated 04/13/2026

Example prior sale 14,058 shares sold on 03/13/2026 for $369,225.07 by David Rodman

Recent tranche example 6,348 shares sold on multiple dates (e.g., 01/12/2026) with listed proceeds (e.g., $205,142.99)

Smaller tranche example 2,170 shares sold on multiple dates (e.g., 01/09/2026) with listed proceeds (e.g., $72,195.90)

Key Terms

Form 144, broker-assisted cashless exercise, Securities To Be Sold, open-market dispositions

4 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.

broker-assisted cashless exercise financial

"Broker assisted cashless exercise"

Securities To Be Sold regulatory

"144: Securities To Be Sold"

open-market dispositions market

"Securities Sold During The Past 3 Months"

FAQ

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

What does Mineralys (MLYS) Form 144 report?

The Form 144 reports a proposed sale of 14,058 shares of common stock for $373,086.81 scheduled on 04/13/2026. It also lists multiple prior sales by David Rodman from January to April 2026 with per‑trade proceeds.

Who is the selling party in the MLYS Form 144?

The filing lists an affiliate sale and multiple open‑market dispositions by David Rodman. Specific transactions and proceeds are shown for each dated sale in the excerpt.

How were the 14,058 shares to be sold on 04/13/2026 treated?

The excerpt states the 14,058 shares are to be sold via a broker-assisted cashless exercise on 04/13/2026, indicating the sale arises from option exercise and simultaneous sale mechanics.

What recent sales by David Rodman are listed in the filing?

The filing lists multiple sales across Jan–Apr 2026, including 14,058 shares on 03/13/2026 for $369,225.07 and other tranches such as 6,348 and 2,170 shares with stated proceeds per trade.

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

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Accepted by SEC EDGAR 04/13/2026 - 04:18 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	14058	373086.81	82399478	04/13/2026	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	04/13/2026	Exercise of employee stock options	Mineralys Therapeutics, Inc.			14058	04/13/2026	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	01/09/2026	2170	72195.90
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common stock	01/12/2026	6348	205142.99
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common stock	01/13/2026	7709	252469.75
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

144: Remarks and Signature

Remarks
Date of Notice	04/13/2026
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)