Brian Taylor Slingsby - 13 Mar 2025 Form 4 Insider Report for Mineralys Therapeutics, Inc. (MLYS)

Role: Director, 10%+ Owner
Signature: Brian Taylor Slingsby by: /s/ Adam Levy, Attorney-in-fact
Issuer symbol: MLYS
Transactions as of: 13 Mar 2025
Net transactions value: +$3,499,996
Form type: 4
Filing time: 25 Apr 2025, 19:01:59 UTC
Previous filing: 24 Feb 2025
Next filing: 21 Nov 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLYS	Common Stock	Purchase	$3,499,996	+259,259	+3%	$13.50	8,903,838	13 Mar 2025	See Footnote	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.

Content

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.