Slingsby Brian Taylor sold MLYS

September 22, 2026 · Form 4 insider transaction

Slingsby Brian Taylor sold 104,320 shares of Mineralys Therapeutics, Inc. at $28.81 per share, a transaction worth $3.01M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
104,320
Price
$28.81
Total value
$3.01M
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 22, 2026
Filing dateSeptember 24, 2026
Shares owned after7,805,718
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

Represents shares of common stock sold by Catalys Pacific Fund, LP. See footnote (3).; The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $28.700 to $28.905. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.; Represents shares of common stock held of record by Catalys Pacific Fund, LP. Catalys Pacific Fund GP, LP is the general partner of Catalys Pacific Fund, LP. Catalys Pacific, LLC is the general partner of Catalys Pacific Fund GP, LP, and Mr. Slingsby is the managing partner of Catalys Pacific, LLC. Accordingly, Mr. Slingsby may be deemed to share voting and investment power over the shares held of record by Catalys Pacific Fund, LP. Mr. Slingsby disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

View the original Form 4 on SEC EDGAR