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Insider filing · MLYS

Ra Capital Management, L.P. bought $30.0M of Mineralys Therapeutics (MLYS)

Executed Sep 4 2025, disclosed Sep 8 2025, 4 days later.

Value, as filed
$30.0M
1,176,470 sh × $25.50
Executed
Sep 4 2025
the trade date, as filed
Disclosed
Sep 8 2025
4 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
+9.1%
+37.5% from execution

Over the 21 trading sessions from the disclosed entry session (Sep 8 2025), the stock returned +9.1% (delay-adjusted); from the execution session (Sep 4 2025), +37.5%. Derived: entry at the session's open, exit at the close 20 sessions later.

The filer
RP Ra Capital Management, L.P. Director profile →

Ra Capital Management, L.P. (Director) filed 30 Form 4 reports as a reporting entity in the trailing twelve months (23 purchases, 7 sales, 1 filed past the two-business-day deadline), most often in Artiva Biotherapeutics, Inc. (ARTV). Across 23 priced purchase filings, the average 21-session return was +14.9% from execution and +14.0% from disclosure (delay-adjusted; derived). The largest single filing was $423.8M of PBLS (21,188,750 sh across 2 lots, as filed), executed Jun 11.

The name
MLYS Mineralys Therapeutics, Inc. MLYS · Healthcare · 50 filings in 24 months ticker →

Healthcare · Mineralys Therapeutics, Inc., a biopharmaceutical company, develops medicines to target diseases driven by dysregulated aldosterone in the…

More Healthcare filings Insider filings, newest first View the original filing at www.sec.gov
Other filings by Ra Capital Management, L.P. in MLYS
MLYSPURCHASE Mineralys Therapeutics, Inc. $8.8M
369,000 sh across 2 lots
Exec Mar 27
Filed Mar 31 · 4:15 PM ET