Rapid7 (RPD) director Jeffrey Kalowski submits initial Form 3 ownership filing

Rhea-AI Filing Summary

Rapid7, Inc. director Jeffrey Kalowski filed a Form 3, which is an initial statement of beneficial ownership as a company insider. The filing does not report any buy or sell transactions and shows no derivative positions listed at this time.

Key Terms

Form 3, reportingPersons, derivativeTransactionCount

3 terms

Form 3 regulatory

"INSIDER FILING DATA (Form 3): {"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

reportingPersons regulatory

""reportingPersons": [ { "name": "Kalowski Jeffrey""

derivativeTransactionCount financial

""derivativeTransactionCount": 0,"

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Available on EDGAR 06/10/2026 - 04:16 PM Accepted by SEC EDGAR 06/10/2026 - 04:15 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Kalowski Jeffrey

(Last) (First) (Middle)

C/O RAPID7, INC.

120 CAUSEWAY STREET

(Street)

BOSTON MASSACHUSETTS 02114

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/09/2026

3. Issuer Name and Ticker or Trading Symbol
Rapid7, Inc. [ RPD ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney.

No securities are beneficially owned.

	/s/ Christopher Keenan, Attorney-in-Fact	06/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does Jeffrey Kalowski’s Form 3 filing for Rapid7 (RPD) show?

The Form 3 filing shows that Jeffrey Kalowski is a director of Rapid7, Inc. It functions as his initial statement of beneficial ownership and, in this case, reports no transactions or derivative positions in the company’s securities.

Did Jeffrey Kalowski buy or sell Rapid7 (RPD) shares in this Form 3?

No, this Form 3 does not report any purchases or sales of Rapid7 shares. The transaction summary shows zero buy, sell, acquire, or dispose counts, indicating no trading activity was disclosed in this initial ownership filing.

Are there any derivative securities reported for Jeffrey Kalowski in Rapid7 (RPD)?

No derivative securities are reported for Jeffrey Kalowski in this Form 3. The derivative summary is empty and the transaction summary indicates zero derivative transactions, suggesting no options or similar instruments are listed in this initial statement.

What is the purpose of this Rapid7 (RPD) Form 3 filing by Jeffrey Kalowski?

This Form 3 serves as Jeffrey Kalowski’s initial disclosure as a Rapid7 director. It formally identifies him as a reporting person under SEC rules, though it currently shows no reported transactions or derivative holdings in Rapid7 securities.

Does the Form 3 for Rapid7 (RPD) indicate any gifts or tax withholding transactions?

No, the Form 3 indicates no gifts or tax withholding transactions. The transaction summary lists zero gift shares and zero tax withholding shares, meaning no such movements of Rapid7 stock are disclosed in this filing.