JANA Partners Management, LP bought $15.1M of Rapid7 (RPD)
Executed Aug 11 2025, disclosed Aug 13 2025, 2 days later.
Over the 21 trading sessions from the disclosed entry session (Aug 13 2025), the stock returned -0.8% (delay-adjusted); from the execution session (Aug 11 2025), +13.9%. Derived: entry at the session's open, exit at the close 20 sessions later.
JANA Partners Management, LP (Director) filed 8 Form 4 reports as a reporting entity in the trailing twelve months (4 purchases, 4 sales, 1 filed past the two-business-day deadline), most often in Mercury Systems, Inc. (MRCY). Across 4 priced purchase filings, the average 21-session return was +2.8% from execution and -2.3% from disclosure (delay-adjusted; derived). The largest single filing was $75.5M of MRCY (1,000,000 sh × $75.45, as filed), executed Nov 6 2025.
41,545 sh × $15.71
Exec Nov 28 2025
Filed Dec 4 2025 · 7:00 PM ET † RPDPURCHASE Rapid7, Inc. $2.9M
200,000 sh across 2 lots
Exec Nov 24 2025
Filed Nov 25 2025 · 4:00 PM ET