Mineralys files Form 144 listing option exercise, sales

Mineralys Therapeutics, Inc. reported a Form 144 disclosing a broker-assisted cashless exercise and related sales activity.

Rhea-AI Filing Summary

Mineralys Therapeutics, Inc. reported a Form 144 disclosing a broker-assisted cashless exercise and related sales activity. The filing shows an exercise of 2,171 shares on 07/09/2026 via broker-assisted cashless exercise and lists multiple sales by David Rodman between 04/09/2026 and 06/17/2026, with individual transactions ranging from 416 to 14,056 shares and corresponding gross proceeds recorded per trade.

Insights

Corporate Governance Analyst

Routine registered sale disclosure with exercised options and historical sales listed.

The filing documents a broker-assisted cashless exercise of 2,171 shares dated 07/09/2026 and enumerates prior open-market dispositions by David Rodman from 04/09/2026 through 06/17/2026. This is a regulatory disclosure of transactions rather than a statement about company operations.

Cash treatment and any holding-period or plan details are not stated in the excerpt; subsequent filings or Form 4 footnotes may provide plan or attribution specifics.

Equity Compliance Specialist

Disclosure aligns with Rule 144 procedures for restricted/insider sales.

The record lists per-trade share counts and gross amounts, consistent with required resale notices. Several trades show varying sizes (e.g., 14,056 shares on 05/13/2026), which are recorded individually rather than aggregated here.

Timing and whether trades were pre-arranged under a plan are not specified in the provided excerpt.

Key Figures

Exercise shares: 2,171 shares Sale example — 05/13/2026: 14,056 shares Sale example — 04/13/2026 proceeds: $373,086.81 +2 more

5 metrics

Exercise shares 2,171 shares broker-assisted cashless exercise on 07/09/2026

Sale example — 05/13/2026 14,056 shares David Rodman sale on 05/13/2026

Sale example — 04/13/2026 proceeds $373,086.81 David Rodman sale on 04/13/2026

Sale example — 06/15/2026 9,890 shares David Rodman sale on 06/15/2026

Sale example — 06/17/2026 proceeds $114,600.00 David Rodman sale on 06/17/2026

Key Terms

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

3 terms

Form 144 regulatory

"Form 144 disclosure for resale of restricted securities"

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 recorded on 07/09/2026"

employee stock options financial

"Exercise of employee stock options noted in the filing"

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 disclose?

The filing discloses a broker-assisted cashless exercise of 2,171 shares on 07/09/2026 and multiple prior sales by David Rodman between 04/09/2026 and 06/17/2026, with per-trade share counts and gross proceeds shown.

How many shares were exercised on 07/09/2026 in the MLYS filing?

The excerpt records a broker-assisted cashless exercise of 2,171 shares on 07/09/2026. The filing labels this as an exercise of employee stock options; cash-flow details tied to the exercise are not included in the excerpt.

What sales by David Rodman are listed in the MLYS Form 144?

The filing lists multiple sales by David Rodman dated 04/09/2026 through 06/17/2026, including trades of 59,414.60 (dollar value shown) and share-level entries such as 14,056 shares on 05/13/2026 with corresponding gross proceeds.

Does the Form 144 show proceeds going to Mineralys (MLYS)?

The reported transactions include a cashless exercise and resale disclosures; the excerpt does not state who receives proceeds. The filing lists gross proceeds per trade, but recipient or use-of-proceeds information is not provided in the excerpt.

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

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Accepted by SEC EDGAR 07/09/2026 - 04:10 PM 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	2171	65781.30	82498101	07/09/2026	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	07/09/2026	Exercise of employee stock options	Mineralys Therapeutics, Inc.			2171	07/09/2026	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	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
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	05/18/2026	417	11488.35
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	06/10/2026	2170	54250.00
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	06/12/2026	6349	151901.37
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	06/15/2026	9890	235487.24
David Rodman 150 N. RADNOR CHESTER ROAD SUITE F200 RADNOR PA 19087	Common Stock	06/17/2026	4584	114600.00

144: Remarks and Signature

Remarks
Date of Notice	07/09/2026
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)