Buy4

Brilliant Earth Group, Inc.

BRLT

Total Value

$12.5K

Net $12.5K bought

Filing Date

Aug 19, 2026

2 transactions

Purchases

$12.5K

2 transactions

Trade Summary

On Aug 18, 2026 through Aug 19, 2026, Gerstein Beth Tamara, Chief Executive Officer, Director, 10% Owner, purchased $12.5K of Brilliant Earth Group, Inc. (BRLT) across 2 transactions. The filing covers Class A Common Stock and reflects net buying of $12.5K. Reported prices ranged from $1.25 to $1.26. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Price at the Time of the Trade

BRLT daily price with the insider's purchase marked at $1.25.

Bought in the lower half of the 6-month range · the stock trades 7% higher today.

Price data is delayed and provided for context only — not investment advice.

Insider Information

Name: Gerstein Beth Tamara
Role: Chief Executive Officer, Director, 10% Owner
Location: SAN FRANCISCO, CA

Filing Details

Filing Date: Aug 19, 2026
Transaction Date: Aug 18, 2026
Accession Number: 0001628280-26-058095
Form Type: 4
Net Trading Amount: $12.5K

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Aug 18, 2026	Class A Common Stock	6,797	$1.25	Purchase	$8.5K
Aug 19, 2026	Class A Common Stock	3,203	$1.26	Purchase	$4.0K

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Footnotes

(F1)This transaction was executed in multiple trades ranging from $1.16 to $1.29. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.
(F2)This transaction was executed in multiple trades ranging from $1.25 to $1.26. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.
(F3)The shares purchased in the transactions reported herein are in addition to the LLC Interests (and associated shares of Class C common stock that are convertible into shares of Class A common stock) held by Just Rocks, Inc. Just Rocks, Inc. is jointly owned and controlled by the reporting person and Eric Scott Grossberg.

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
Estimated average burden
hours per response:			0.5

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^*

Gerstein Beth Tamara

(Last)

(First)

(Middle)

C/O BRILLIANT EARTH GROUP, INC.

300 GRANT AVENUE, THIRD FLOOR

(Street)

SAN FRANCISCO

94108

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Brilliant Earth Group, Inc. [ BRLT ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	08/18/2026		P		6,797	A	$1.25⁽¹⁾	6,797	D
Class A Common Stock	08/19/2026		P		3,203	A	$1.26⁽²⁾	10,000⁽³⁾	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This transaction was executed in multiple trades ranging from $1.16 to $1.29. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

2. This transaction was executed in multiple trades ranging from $1.25 to $1.26. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

3. The shares purchased in the transactions reported herein are in addition to the LLC Interests (and associated shares of Class C common stock that are convertible into shares of Class A common stock) held by Just Rocks, Inc. Just Rocks, Inc. is jointly owned and controlled by the reporting person and Eric Scott Grossberg.

Remarks:

	Jeffrey Kuo As Attorney-in-Fact for Beth Tamara Gerstein	08/19/2026
	** 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 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.

Form 4 as rendered by the SEC from accession 0001628280-26-058095.

Brilliant Earth Group, Inc.

Trade Summary

Price at the Time of the Trade

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

Price at the Time of the Trade

SEC Form 4