SCHEDULE Filed 2025-03-13 Event 2025-03-11 SEC 0000902664-25-001451 →

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

6 13D/G filings on this issuer

5 other filings besides this one

Filer Track Record

10 filings by this filer

9 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 2.21

7,867,859 shares short · +8.2% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

2 holders · $8.79M

Point72 Asset MgmtSoros Fund Management

Post-Filing Returns · since 2025-03-11 on RPD

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 11.20 on closest trading day on/after 2025-03-11. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on Rapid7, Inc.

Filed	Form	Filer	Stake	Shares
2025-03-24	SCHEDULE	JANA Partners Management, LP	6.00%	3,867,463	view →
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
2026-06-29	SCHEDULE 13D	ALKAMI TECHNOLOGY, INC. ALKT	6.30%	6,747,707	view →
2026-05-12	SCHEDULE 13D/A	ALKAMI TECHNOLOGY, INC. ALKT	—	5,339,388	view →
2026-04-01	SCHEDULE 13D	ALKAMI TECHNOLOGY, INC. ALKT	5.10%	5,431,388	view →
2025-06-10	SCHEDULE	Lamb Weston Holdings, Inc. LW	5.40%	7,557,519	view →
2025-04-01	SCHEDULE	Lamb Weston Holdings, Inc. LW	5.60%	7,985,426	view →
2025-03-24	SCHEDULE	Rapid7, Inc. RPD	6.00%	3,867,463	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 →
2024-01-11	SC	Freshpet, Inc. FRPT	—	—	view →

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