JANA Partners Management, LP → Rapid7, Inc. RPD

Stake: 5.80% Shares: 3,690,129 CUSIP: 753422104 Class: Common Stock, par value $0.01 per share

Item 4 — Purpose of Transaction

Item 4 is hereby amended and supplemented with the addition of the following: On March 11, 2025, JANA entered into nominee agreements (the "Nominee Agreements") with each of Michael Joseph Burns and Chad Kinzelberg (each, a "Nominee" and collectively, the "Nominees"), which is further described in the Reporting Persons' response to Item 6 of this Amendment No. 2, which is incorporated by reference into this Item 4.

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

4 filings by this filer

3 other filings in the data moat

Short Interest · settle 2026-03-31

DTC 1.75

5,018,344 shares short · -23.1% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

2 holders · $8.79M

Point72 Asset MgmtSoros Fund Management

Other 13D/G Filings on Rapid7, Inc.

Filed	Form	Filer	Stake	Shares
2018-03-20	SC	TCV VII LP	—	—	view →
2018-03-19	SC	Bain Capital Venture Fund 2007, L.P.	—	—	view →
2018-02-01	SC	TCV VII LP	—	—	view →
2018-01-31	SC	Bain Capital Venture Fund 2007, L.P.	—	—	view →

Other Filings by JANA Partners Management, LP

Filed	Form	Issuer	Stake	Shares
2026-04-01	SCHEDULE 13D	ALKAMI TECHNOLOGY, INC. ALKT	5.10%	5,431,388	view →
2025-03-07	SCHEDULE	Lamb Weston Holdings, Inc. LW	5.60%	7,985,426	view →
2025-01-28	SCHEDULE	Lamb Weston Holdings, Inc. LW	5.00%	7,168,249	view →

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