InsiderTrades

Form 4 for BRLT Brilliant Earth Group, Inc.

Accepted 2025-03-17 00:00:00 ET · period of report 2025-03-13 · accession 0000950170-25-040443 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DMTI 2025-03-17 2025-03-13 BRLT Mainsail Partners III, L.P. 10% C - Cnv Deriv — 0 2,700 New —
DTI 2025-03-17 2025-03-13 BRLT Mainsail Partners III, L.P. 10% S - Sale $1.85 -2,700 0 -100% -$4,995
DTI 2025-03-17 2025-03-13 BRLT Mainsail Partners III, L.P. 10% C - Cnv Deriv — -2,700 31.90M -0.0% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class B Common Stock 2025-03-13 C D 2,700 — 31,898,071 I See footnotes — — (F1) Represents common units of Brilliant Earth, LLC (the "LLC Units") and shares of Class B common stock exchanged for shares of Class A common stock including (i) 2,637 LLC Units and shares of Class B common stock exchanged by Mainsail Partners III, L.P. ("MP III"), (ii) 5 LLC Units and shares of Class B common stock exchanged by Mainsail Incentive Program, LLC ("MIP"), and (iii) 58 LLC Units and shares of Class B common stock exchanged by Mainsail Co-Investors III, L.P. ("MCOI"). (F3) Consists of (i) 31,147,528 shares of Class B common stock (and associated LLC Units) held by MP III, (ii) 61,920 shares of Class B common stock (and associated LLC Units) held by MIP, and (iii) 688,623 shares of Class B common stock (and associated LLC Units) held by MCOI. (F4) Mainsail GP III, LLC ("GP III") is the general partner of MP III. MCOI is a co-investment vehicle that invests alongside MP III. GP III is the general partner of MCOI. A three member investment committee of GP III acts by a majority vote, with Gavin Turner possessing a veto right, with respect to the voting and dispositive power of the securities held by MP III and MCOI. Mainsail Management Company, LLC ("MMC") is the managing member of MIP, and Gavin Turner is the sole Manager of MMC. Mr. Turner has separately reported the transactions and reported securities reflected in this statement. The reporting persons disclaim beneficial ownership of the reported securities except to the extent of their respective pecuniary interests therein.
2 Common Class A Common Stock 2025-03-13 S D 2,700 $1.85 0 I See footnote — — (F1) Represents common units of Brilliant Earth, LLC (the "LLC Units") and shares of Class B common stock exchanged for shares of Class A common stock including (i) 2,637 LLC Units and shares of Class B common stock exchanged by Mainsail Partners III, L.P. ("MP III"), (ii) 5 LLC Units and shares of Class B common stock exchanged by Mainsail Incentive Program, LLC ("MIP"), and (iii) 58 LLC Units and shares of Class B common stock exchanged by Mainsail Co-Investors III, L.P. ("MCOI"). (F5) This sale of shares of Class A common stock was executed pursuant to a Rule 10b5-1 plan that was entered into by the reporting persons during an open trading window. This transaction was executed in multiple trades at prices ranging from $1.75 to $1.94, inclusive. The reported price reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the United States Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was affected. (F4) Mainsail GP III, LLC ("GP III") is the general partner of MP III. MCOI is a co-investment vehicle that invests alongside MP III. GP III is the general partner of MCOI. A three member investment committee of GP III acts by a majority vote, with Gavin Turner possessing a veto right, with respect to the voting and dispositive power of the securities held by MP III and MCOI. Mainsail Management Company, LLC ("MMC") is the managing member of MIP, and Gavin Turner is the sole Manager of MMC. Mr. Turner has separately reported the transactions and reported securities reflected in this statement. The reporting persons disclaim beneficial ownership of the reported securities except to the extent of their respective pecuniary interests therein.
3 Common Class A Common Stock 2025-03-13 C A 2,700 — 2,700 I See footnote — — (F1) Represents common units of Brilliant Earth, LLC (the "LLC Units") and shares of Class B common stock exchanged for shares of Class A common stock including (i) 2,637 LLC Units and shares of Class B common stock exchanged by Mainsail Partners III, L.P. ("MP III"), (ii) 5 LLC Units and shares of Class B common stock exchanged by Mainsail Incentive Program, LLC ("MIP"), and (iii) 58 LLC Units and shares of Class B common stock exchanged by Mainsail Co-Investors III, L.P. ("MCOI"). (F4) Mainsail GP III, LLC ("GP III") is the general partner of MP III. MCOI is a co-investment vehicle that invests alongside MP III. GP III is the general partner of MCOI. A three member investment committee of GP III acts by a majority vote, with Gavin Turner possessing a veto right, with respect to the voting and dispositive power of the securities held by MP III and MCOI. Mainsail Management Company, LLC ("MMC") is the managing member of MIP, and Gavin Turner is the sole Manager of MMC. Mr. Turner has separately reported the transactions and reported securities reflected in this statement. The reporting persons disclaim beneficial ownership of the reported securities except to the extent of their respective pecuniary interests therein.
4 Derivative LLC Units 2025-03-13 C D 2,700 — 31,898,071 I See footnotes — · — to — 2,700 Class A Common Stock (F1) Represents common units of Brilliant Earth, LLC (the "LLC Units") and shares of Class B common stock exchanged for shares of Class A common stock including (i) 2,637 LLC Units and shares of Class B common stock exchanged by Mainsail Partners III, L.P. ("MP III"), (ii) 5 LLC Units and shares of Class B common stock exchanged by Mainsail Incentive Program, LLC ("MIP"), and (iii) 58 LLC Units and shares of Class B common stock exchanged by Mainsail Co-Investors III, L.P. ("MCOI"). (F2) LLC Units (together with one share of Class B common stock for every LLC Unit) are exchangeable for one share of the Issuer's Class A common stock. The reported LLC Units, which were acquired by the reporting persons prior to the Issuer's initial public offering, do not expire. (F3) Consists of (i) 31,147,528 shares of Class B common stock (and associated LLC Units) held by MP III, (ii) 61,920 shares of Class B common stock (and associated LLC Units) held by MIP, and (iii) 688,623 shares of Class B common stock (and associated LLC Units) held by MCOI. (F4) Mainsail GP III, LLC ("GP III") is the general partner of MP III. MCOI is a co-investment vehicle that invests alongside MP III. GP III is the general partner of MCOI. A three member investment committee of GP III acts by a majority vote, with Gavin Turner possessing a veto right, with respect to the voting and dispositive power of the securities held by MP III and MCOI. Mainsail Management Company, LLC ("MMC") is the managing member of MIP, and Gavin Turner is the sole Manager of MMC. Mr. Turner has separately reported the transactions and reported securities reflected in this statement. The reporting persons disclaim beneficial ownership of the reported securities except to the extent of their respective pecuniary interests therein.