Insiders who reported open-market trades in the last 12 months at the companies JANA Partners Management, LP files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
William L. Ballhaus - $37.66M in MRCY purchases and sales in the last 12 months
David E. Farnsworth - $2.74M in MRCY purchases and sales in the last 12 months
Jan Eli B. Craps - $2.43M in LW purchases and sales in the last 12 months
Howard L. Lance - $1.35M in MRCY purchases and sales in the last 12 months
Steven Ratner - $1.21M in MRCY purchases and sales in the last 12 months
Stuart Kupinsky - $767K in MRCY purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
JANA Partners Management, LP is an investment firm, tracked as 10% Owner of Rapid7, Inc. (RPD). InsiderAlpha holds 16 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did JANA Partners Management, LP last file a Form 4?
The most recent primary Form 4 on record is dated 10 June 2026, one of 16 filings going back to 2024.
Has JANA Partners Management, LP been buying or selling stock?
Recorded transactions: 10 open-market purchases ($34.73M) and 9 open-market sales ($258.03M) across all tracked filings.
JANA Partners Management, LP is 10% Owner of Rapid7, Inc. (RPD). 16 SEC Form 4 filings on record going back to 2024, most recently on 10 June 2026. Most recent open-market trade: bought $2.16M of LW on 15 April 2026. Lifetime open-market purchases: $34.73M. Lifetime open-market sales: $258.03M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by JANA Partners Management, LP.
InsiderAlpha's records for JANA Partners Management, LP go back to 2024: 16 primary Form 4 filings, an average of 5.3 per year. The typical open-market purchase is $3.47M (10 buys totaling $34.73M). The largest single buy on record is $6.54M of RPD in 2025. Sales side: 9 recorded sales totaling $258.03M, so the filing history runs sell-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
