[Form 4] Rapid7, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Rapid7, Inc. (RPD) reported an insider equity transaction by its CEO and Director, Corey E. Thomas. On 11/15/2025, 12,969 shares of Rapid7 common stock were withheld by the company at a price of $14.03 per share to cover his tax obligations upon the vesting of previously granted restricted stock units. After this tax withholding, Thomas beneficially owned 580,566 shares directly. He also had indirect ownership of 218,748 shares held by Thomas Family Holdings LLC and 30,000 shares held by the Corey E. Thomas Irrevocable Trust of 2016, for which he disclaims beneficial ownership beyond any pecuniary interest.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Thomas Corey E.

(Last) (First) (Middle)

C/O RAPID7, INC.

120 CAUSEWAY STREET

(Street)

BOSTON MA 02114

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/15/2025

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
COMMON STOCK	11/15/2025		F(1)		12,969	D	$14.03	580,566(2)	D
COMMON STOCK								218,748	I	By Thomas Family Holdings LLC(3)
COMMON STOCK								30,000	I	By Trust(4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units previously granted to the Reporting Person on February 2, 2021, February 15, 2022, February 15, 2023, February 15, 2024 and February 14, 2025.

2. Includes 198 shares acquired under the Rapid7, Inc. 2015 Employee Stock Purchase Plan on September 15, 2025.

3. Represents shares held by the Thomas Family Holdings LLC ("LLC"). The reporting person is the manager of LLC and has the power to vote and dispose of the shares held by LLC. The reporting person disclaims beneficial ownership of the shares owned by LLC except to the extent of his pecuniary interest therein.

4. Represents shares held by the Corey E. Thomas Irrevocable Trust of 2016, which is administrated by an independent trustee, and is for the benefit of the reporting person's immediate and other family members. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

Remarks:

	/s/ Peter Kaes, Attorney-in-Fact	11/17/2025
	** 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 4 (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.

FAQ

What insider transaction did Rapid7 (RPD) report for its CEO?

Rapid7 reported that CEO and Director Corey E. Thomas had 12,969 shares of common stock withheld on 11/15/2025 to satisfy tax withholding obligations related to vesting restricted stock units.

At what price were Corey E. Thomas’s Rapid7 (RPD) shares withheld for taxes?

The 12,969 shares of Rapid7 common stock withheld to cover taxes were valued at a price of $14.03 per share.

How many Rapid7 (RPD) shares does the CEO beneficially own after the reported transaction?

Following the reported transaction, Corey E. Thomas beneficially owned 580,566 Rapid7 common shares directly, with additional shares held indirectly through family-related entities.

What indirect Rapid7 (RPD) share holdings are associated with Corey E. Thomas?

Indirect holdings include 218,748 shares held by Thomas Family Holdings LLC and 30,000 shares held by the Corey E. Thomas Irrevocable Trust of 2016, for which he disclaims beneficial ownership except for any pecuniary interest.

Why were shares withheld from Corey E. Thomas in this Rapid7 (RPD) Form 4 filing?

The shares were withheld by Rapid7 to satisfy tax withholding obligations arising from the vesting of restricted stock units granted to Corey E. Thomas on several prior grant dates.

What is the relationship of Corey E. Thomas to Rapid7 (RPD)?

Corey E. Thomas is reported as both a Director and an Officer (CEO) of Rapid7, Inc. in the Form 4 filing.