Mineralys Therapeutics Inc.

01/07/2025 | Press release | Distributed by Public on 01/07/2025 16:59

Statement of Changes in Beneficial Ownership (Form 4)

Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Slingsby Brian Taylor
2. Issuer Name and Ticker or Trading Symbol
Mineralys Therapeutics, Inc. [MLYS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle)
SHOTO CITY HOUSE 203, 1-23-3, SHOTO, 		3. Date of Earliest Transaction (Month/Day/Year)
05/22/2024
(Street)
SHIBUYA-KU TOKYO, M0 150-0046 		4. If Amendment, Date Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4) 		7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5) 		6. Date Exercisable and Expiration Date
(Month/Day/Year) 		7. Title and Amount of Underlying Securities
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4) 		10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4) 		11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option $12.52 05/22/2024 J(1) 22,000 (2) 05/22/2034 Common Stock 22,000 $ 0 0 D
Stock Option $12.52 05/22/2024 J(1) 22,000 (2) 05/22/2034 Common Stock 22,000 $ 0 22,000 I See footnote(3)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Slingsby Brian Taylor
SHOTO CITY HOUSE 203, 1-23-3, SHOTO,
SHIBUYA-KU TOKYO, M0 150-0046 		X X
Catalys Pacific Fund, LP
PO BOX 309, UGLAND HOUSE, CAYMAN ISLANDS
GRAND CAYMAN, E9 KY1-1104 		X

Signatures

Brian Taylor Slingsby by: /s/ Adam Levy, Attorney-in-fact 01/07/2025
**Signature of Reporting Person Date
Catalys Pacific Fund, LP, By: Catalys Pacific Fund GP, LP, its General Partner, By: Catalys Pacific, LLC, its General Partner, By: Brian Taylor Slingsby, its Managing Partner, By: /s/ Adam Levy, Attorney-in-fact 01/07/2025
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Represents stock options transferred pursuant to an option transfer agreement between the Reporting Person and Catalys Pacific Fund, LP.
(2) The stock option award vests in 12 substantially equal monthly installments beginning on June 22, 2024. In the event that the next annual meeting of stockholders occurs prior to May 22, 2025, any remaining unvested portion of the stock option award will vest on the date of such meeting.
(3) Represents securities held directly by Catalys Pacific Fund, LP. The general partner of Catalys Pacific Fund, LP is Catalys Pacific Fund GP, LP. Brian Taylor Slingsby is the managing partner of Catalys Pacific, LLC, which is the general partner of Catalys Pacific Fund GP, LP. Catalys Pacific, LLC, Catalys Pacific Fund GP, LP and Brian Taylor Slingsby may be deemed to have voting and investment power over the shares held of record by Catalys Pacific Fund, LP. Each of Catalys Pacific, LLC, Catalys Pacific Fund GP, LP and Brian Taylor Slingsby disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.