Brian Taylor Slingsby Form 3 Mineralys Therapeutics / Brian Taylor Slingsby ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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1. Name and Address of Reporting Person^*

Slingsby Brian Taylor

(Last) (First) (Middle)

SHOTO CITY HOUSE 203, 1-23-3, SHOTO,

(Street)

SHIBUYA-KUTOKYO M0 150-0046

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/09/2023

3. Issuer Name and Ticker or Trading Symbol
Mineralys Therapeutics, Inc. [ MLYS ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	4,630,486	I	See Footnote(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Preferred Stock	(2)	(2)	Common Stock	2,171,342	(2)	I	See footnote(1)
Series B Preferred Stock	(2)	(2)	Common Stock	2,142,751	(2)	I	See footnote(1)

1. Name and Address of Reporting Person^*

Slingsby Brian Taylor

(Last) (First) (Middle)

SHOTO CITY HOUSE 203, 1-23-3, SHOTO,

(Street)

SHIBUYA-KUTOKYO M0 150-0046

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Catalys Pacific Fund, LP

(Last) (First) (Middle)

PO BOX 309, UGLAND HOUSE, CAYMAN ISLANDS

(Street)

GRAND CAYMAN E9 KY1-1104

(City) (State) (Zip)

Explanation of Responses:

1. 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, the general partner of the General Partner. 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.

2. Each share of preferred stock of the Issuer is convertible into shares of common stock on a 10.798-for-one basis (which reflects the reverse stock split effected by the Issuer on February 1, 2023) at any time. The preferred stock will automatically convert into common stock upon closing of the Issuer's public offering.

Remarks:

EXHIBIT LIST: EX-24 Brian Taylor Slingsby POA

	Brian Taylor Slingsby by: /s/ Adam Levy, Attorney-in-fact	02/09/2023
	Catalys Pacific Fund GP, LP By: Catalys Pacific, LLC By:	02/09/2023
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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