InsiderTrades

Form 4 for MLYS Mineralys Therapeutics, Inc.

Accepted 2026-02-20 00:00:00 ET · period of report 2026-02-19 · accession 0001933414-26-000041 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-02-20 2026-02-19 MLYS Slingsby Brian Taylor Dir, 10% J - Other $0.00 -6,200 0 -100% $0
DI 2026-02-20 2026-02-19 MLYS Slingsby Brian Taylor Dir, 10% J - Other $0.00 +6,200 7.91M +0.1% $0
D 2026-02-20 2026-02-19 MLYS Slingsby Brian Taylor Dir, 10% A - Grant $0.00 +6,200 6,200 New $0
D 2026-02-20 2026-02-19 MLYS Slingsby Brian Taylor Dir, 10% A - Grant $0.00 +8,300 8,300 New $0
D 2026-02-20 2026-02-19 MLYS Slingsby Brian Taylor Dir, 10% J - Other $0.00 -8,300 0 -100% $0
DI 2026-02-20 2026-02-19 MLYS Slingsby Brian Taylor Dir, 10% J - Other $0.00 +8,300 8,300 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-19 J D 6,200 $0.00 0 D — — (F1) Restricted Stock Units (RSUs) are granted to the reporting person for no additional cash consideration, each of which represents a contingent right to receive one share of common stock upon vesting of these RSUs in one annual installment following the date of grant.
2 Common Common Stock 2026-02-19 J A 6,200 $0.00 7,910,038 I — — (F1) Restricted Stock Units (RSUs) are granted to the reporting person for no additional cash consideration, each of which represents a contingent right to receive one share of common stock upon vesting of these RSUs in one annual installment following the date of grant.
3 Common Common Stock 2026-02-19 A A 6,200 $0.00 6,200 D See footnote — — (F1) Restricted Stock Units (RSUs) are granted to the reporting person for no additional cash consideration, each of which represents a contingent right to receive one share of common stock upon vesting of these RSUs in one annual installment following the date of grant. (F3) 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.
4 Derivative Stock Option 2026-02-19 A A 8,300 $0.00 8,300 D See footnote $28.06 · — to 2036-02-19 8,300 Common Stock (F3) 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. (F4) The stock option vests in 12 substantially equal monthly installments following the date of grant.
5 Derivative Stock Option 2026-02-19 J D 8,300 $0.00 0 D $28.06 · — to 2036-02-19 8,300 Common Stock (F4) The stock option vests in 12 substantially equal monthly installments following the date of grant.
6 Derivative Stock Option 2026-02-19 J A 8,300 $0.00 8,300 I $28.06 · — to 2036-02-19 8,300 Common Stock (F4) The stock option vests in 12 substantially equal monthly installments following the date of grant.