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  4. [Form 4] Brilliant Earth Group, Inc. Insider Trading Activity

Brilliant Earth (BRLT) CEO adds 10K shares in open-market buys

Filing Impact
(Neutral)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Brilliant Earth Group, Inc. (BRLT) reported that Chief Executive Officer and director Beth Tamara Gerstein purchased a total of 10,000 shares of Class A common stock in open-market transactions. She bought 6,797 shares on August 18, 2026 at a weighted average price of $1.25 and 3,203 shares on August 19, 2026 at a weighted average price of $1.26, with each day’s trades executed across price ranges. The filing notes these shares are in addition to LLC Interests and associated Class C common stock held through Just Rocks, Inc.

Positive

  • None.

Negative

  • None.
Insider Gerstein Beth Tamara
Role Chief Executive Officer
Bought 10,000 shs ($13K)
Type Security Shares Price Value
Purchase Class A Common Stock F2, F3 3,203 $1.26 $4K
Purchase Class A Common Stock F1 6,797 $1.25 $8K
Holdings After Transaction: Class A Common Stock — 10,000 shares (Direct)
Footnotes (3)
  1. 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.
  2. 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.
  3. 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.
Shares purchased 2026-08-18 6,797 shares Class A Common Stock open-market purchase at weighted average price
Price 2026-08-18 $1.25 per share Weighted average purchase price; trades ranged from $1.16 to $1.29
Shares purchased 2026-08-19 3,203 shares Class A Common Stock open-market purchase at weighted average price
Price 2026-08-19 $1.26 per share Weighted average purchase price; trades ranged from $1.25 to $1.26
Total shares purchased 10,000 shares Net buy across two reported transactions
weighted average purchase price financial
"The price reported above reflects the weighted average purchase price."
The weighted average purchase price is the average cost per share you paid across multiple buys, calculated so larger purchases count more than smaller ones. Imagine buying apples at different prices: the overall price you effectively paid depends on how many apples you bought at each price. Investors use it to measure true cost basis, calculate gains or losses, decide when to sell, and manage taxes and portfolio performance.
LLC Interests financial
"in addition to the LLC Interests (and associated shares of Class C common"
Class C common stock financial
"Class C common stock that are convertible into shares of Class A common"
A class C common stock is a type of company share that usually represents ownership but often carries limited or no voting power compared with other share classes. For investors, that matters because it can affect influence over company decisions and sometimes the stock’s price or dividend priority — think of it as owning a ticket to the same event but in a section with less say in how the event is run.

FAQ

What insider transactions did BRLT CEO Beth Gerstein report in this Form 4?
Beth Gerstein reported two open-market purchases of Brilliant Earth Group Class A common stock totaling 10,000 shares. She bought 6,797 shares on August 18, 2026 and 3,203 shares on August 19, 2026 at weighted average prices near $1.25–$1.26.

At what prices did the BRLT insider share purchases occur?
The reported weighted average prices were $1.25 on August 18, 2026 and $1.26 on August 19, 2026. Actual trades on August 18 ranged from $1.16–$1.29, and on August 19 from $1.25–$1.26, reflecting multiple executions each day.

How many Brilliant Earth Group (BRLT) shares did the CEO buy in total?
The CEO purchased a total of 10,000 shares of BRLT Class A common stock. This consisted of 6,797 shares on August 18, 2026 and 3,203 shares on August 19, 2026, all reported as direct beneficial ownership purchases in open-market transactions.

Were the recent BRLT insider transactions made under a Rule 10b5-1 trading plan?
The filing indicates the transactions were not made pursuant to a Rule 10b5-1 plan, as the related checkbox is not selected. The purchases are instead reported simply as open-market transactions at weighted average prices over disclosed trading ranges.

What additional ownership in BRLT is associated with Just Rocks, Inc.?
The filing states that the purchased shares are in addition to LLC Interests and associated shares of Class C common stock held by Just Rocks, Inc. Just Rocks, Inc. is jointly owned and controlled by Beth Tamara Gerstein and Eric Scott Grossberg and is convertible into Class A shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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 CALIFORNIA 94108
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Brilliant Earth Group, Inc. [ BRLT ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Class A Common Stock08/18/2026P6,797A$1.25(1)6,797D
Class A Common Stock08/19/2026P3,203A$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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
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 Gerstein08/19/2026
** Signature of Reporting PersonDate
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: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR