Bain Capital GSS (BCSS) director discloses 30,000 Class B shares

Rhea-AI Filing Summary

Bain Capital GSS Investment Corp. director reports initial holdings. A reporting person serving as a director of Bain Capital GSS Investment Corp. filed an ownership statement as of 12/18/2025. The individual beneficially owns 30,000 Class B ordinary shares, which are treated as derivative securities because they will automatically convert into 30,000 Class A ordinary shares on a one-for-one basis at the time of the company’s initial business combination, subject to anti-dilution adjustments. The filing notes that the reporting person purchased the 30,000 Class B ordinary shares for aggregate consideration of $65.22.

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

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1. Name and Address of Reporting Person^*

Purves Michael Ewing

(Last) (First) (Middle)

200 CLARENDON STREET

(Street)

BOSTON MA 02116

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/18/2025

3. Issuer Name and Ticker or Trading Symbol
Bain Capital GSS Investment Corp. [ BCSS ]

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

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

5. 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 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
Class B ordinary shares, par value $0.0001 per share	(1)	(1)	Class A ordinary shares, par value $0.0001 per share	30,000	(1)	D

Explanation of Responses:

1. Pursuant to the Issuer's amended and restated memorandum and articles of association, the Class B ordinary shares have no expiration date and will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis subject to adjustment pursuant to certain anti-dilution rights. The reporting person purchased 30,000 Class B ordinary shares for the aggregate consideration of $65.22.

	/s/ Michael E. Purves	12/22/2025
	** 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 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.

FAQ

What insider transaction was reported for BCSS in this Form 3?

The filing reports that a director of Bain Capital GSS Investment Corp. (BCSS) beneficially owns 30,000 Class B ordinary shares, which are convertible into Class A ordinary shares.

How many shares does the Bain Capital GSS director beneficially own?

The director beneficially owns 30,000 Class B ordinary shares, which will automatically convert into 30,000 Class A ordinary shares at the time of the initial business combination, subject to anti-dilution adjustments.

What is the relationship of the reporting person to Bain Capital GSS Investment Corp. (BCSS)?

The reporting person is identified as a Director of Bain Capital GSS Investment Corp. and filed the ownership report as an individual reporting person.

How and when do the BCSS Class B shares convert into Class A shares?

Under the company’s amended and restated memorandum and articles of association, the Class B ordinary shares have no expiration date and will automatically convert into Class A ordinary shares on a one-for-one basis at the time of the issuer’s initial business combination, subject to anti-dilution adjustments.

What was the aggregate purchase price for the 30,000 Class B ordinary shares of BCSS?

The filing states that the reporting person purchased 30,000 Class B ordinary shares for aggregate consideration of $65.22.

On what date was the ownership event for the BCSS director effective?

The date of the event requiring the statement is listed as 12/18/2025.