JANA Partners Management, LP is an investment firm that reports beneficial ownership of shares in Rapid7, Inc. (RPD) and 3 other companies under U.S. securities law. It has submitted 25 SEC insider filings since 2024, most recently in June 2026.
Every role JANA Partners Management, LP has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Updated Aug 30, 2026
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. Historical track record: 3/5 stars across 10 tracked purchases.
Every recent SEC Form 4 transaction JANA Partners Management, LP has reported, most recent first.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★★☆☆ (3/5) |
| Total purchases tracked | 10 |
| Purchases with forward-return data | 9 |
| 30-day win rate | 67% |
| 90-day win rate | 40% |
| Avg 5-day return | +5.43% |
| Avg 30-day return | +1.94% |
| Avg 90-day return | -22.09% |
| Best 30-day return |
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 transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
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.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
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.
1 primary Form 4 filing in the last 90 days, covering 1 company.
Recorded transactions: 10 open-market purchases ($34.73M) and 9 open-market sales ($258.03M) across all tracked filings.
Across 10 tracked purchases, JANA Partners Management, LP averaged +1.9% avg 30-day return with a 67% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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100.0K shares @ $42.12$4.21M
| +7.96% |