14 insiders reported 72 Form 4 transactions for Brilliant Earth Group, Inc. (BRLT) over the past 18 months (most recent 2026-08-19). Recent activity: Dziesietnik Sharon (Chief Operations Officer) Sell 10,124 shares, Grossberg Eric Scott (Executive Chairman) Buy 9,619 shares, Gerstein Beth Tamara (Chief Executive Officer) Buy 6,797 shares, Grossberg Eric Scott (Executive Chairman) Buy 381 shares, Gerstein Beth Tamara (Chief Executive Officer) Buy 3,203 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Dziesietnik Sharon | Chief Operations Officer | Sell | 10,124 | $12,857 |
| 2026-08-19 | Grossberg Eric Scott | Executive Chairman | Buy | 9,619 | $12,216 |
| 2026-08-19 | Gerstein Beth Tamara | Chief Executive Officer | Buy | 6,797 | $8,496 |
| 2026-08-19 | Grossberg Eric Scott | Executive Chairman | Buy | 381 | $480 |
| 2026-08-19 | Gerstein Beth Tamara | Chief Executive Officer | Buy | 3,203 | $4,036 |
| 2026-08-17 | Kuo Jeffrey Chuenhong | Chief Financial Officer | Buy | 10,000 | $13,600 |
| 2026-08-12 | MAINSAIL INCENTIVE PROGRAM, LLC | 10% Owner | Buy | 50,000 | $0 |
| 2026-08-12 | MAINSAIL GP III, LLC | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | MAINSAIL INCENTIVE PROGRAM, LLC | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | TURNER GAVIN | Director | Sell | 50,000 | $0 |
| 2026-08-12 | Mainsail Co-Investors III, L.P. | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | Mainsail Partners III, L.P. | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | MAINSAIL MANAGEMENT COMPANY, LLC | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | MAINSAIL GP III, LLC | 10% Owner | Buy | 50,000 | $0 |
| 2026-08-12 | MAINSAIL MANAGEMENT COMPANY, LLC | 10% Owner | Buy | 50,000 | $0 |
| 2026-08-12 | TURNER GAVIN | Director | Buy | 50,000 | $0 |
| 2026-08-12 | Mainsail Co-Investors III, L.P. | 10% Owner | Buy | 50,000 | $0 |
| 2026-08-12 | Mainsail Partners III, L.P. | 10% Owner | Buy | 50,000 | $0 |
| 2026-08-12 | MAINSAIL INCENTIVE PROGRAM, LLC | 10% Owner | Sell | 50,000 | $64,350 |
| 2026-08-12 | MAINSAIL GP III, LLC | 10% Owner | Sell | 50,000 | $64,350 |
| 2026-08-12 | MAINSAIL MANAGEMENT COMPANY, LLC | 10% Owner | Sell | 50,000 | $64,350 |
| 2026-08-12 | TURNER GAVIN | Director | Sell | 50,000 | $64,350 |
| 2026-08-12 | Mainsail Co-Investors III, L.P. | 10% Owner | Sell | 50,000 | $64,350 |
| 2026-08-12 | Mainsail Partners III, L.P. | 10% Owner | Sell | 50,000 | $64,350 |
| 2026-06-23 | Harris Jennifer Noel | Director | Sell | 20,020 | $21,421 |
Source: SEC Form 4 filings · as of 2026-08-19