14 insiders reported 52 Form 4 transactions for Brilliant Earth Group, Inc. (BRLT) over the past 18 months (most recent 2026-08-26). Recent activity: Mainsail Partners III, L.P. (10% Owner) Buy 16,014 shares, Mainsail Co-Investors III, L.P. (10% Owner) Buy 16,014 shares, MAINSAIL INCENTIVE PROGRAM, LLC (10% Owner) Buy 16,014 shares, MAINSAIL GP III, LLC (10% Owner) Buy 16,014 shares, MAINSAIL MANAGEMENT COMPANY, LLC (10% Owner) Buy 16,014 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-26 | Mainsail Partners III, L.P. | 10% Owner | Buy | 16,014 | $0 |
| 2026-08-26 | Mainsail Co-Investors III, L.P. | 10% Owner | Buy | 16,014 | $0 |
| 2026-08-26 | MAINSAIL INCENTIVE PROGRAM, LLC | 10% Owner | Buy | 16,014 | $0 |
| 2026-08-26 | MAINSAIL GP III, LLC | 10% Owner | Buy | 16,014 | $0 |
| 2026-08-26 | MAINSAIL MANAGEMENT COMPANY, LLC | 10% Owner | Buy | 16,014 | $0 |
| 2026-08-26 | TURNER GAVIN | Director | Buy | 16,014 | $0 |
| 2026-08-19 | Gerstein Beth Tamara | Chief Executive Officer | Buy | 6,797 | $8,496 |
| 2026-08-19 | Grossberg Eric Scott | Executive Chairman | Buy | 9,619 | $12,216 |
| 2026-08-19 | Dziesietnik Sharon | Chief Operations Officer | Sell | 10,124 | $12,857 |
| 2026-08-19 | Gerstein Beth Tamara | Chief Executive Officer | Buy | 3,203 | $4,036 |
| 2026-08-19 | Grossberg Eric Scott | Executive Chairman | Buy | 381 | $480 |
| 2026-08-17 | Kuo Jeffrey Chuenhong | Chief Financial Officer | Buy | 10,000 | $13,600 |
| 2026-08-12 | Mainsail Partners III, L.P. | 10% Owner | Sell | 50,000 | $64,350 |
| 2026-08-12 | Mainsail Co-Investors III, L.P. | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | MAINSAIL INCENTIVE PROGRAM, LLC | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | MAINSAIL GP III, LLC | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | MAINSAIL MANAGEMENT COMPANY, LLC | 10% Owner | Sell | 50,000 | $0 |
| 2026-08-12 | TURNER GAVIN | Director | Sell | 50,000 | $0 |
| 2026-08-12 | Mainsail Partners III, L.P. | 10% Owner | Buy | 50,000 | $0 |
| 2026-08-12 | Mainsail Co-Investors III, L.P. | 10% Owner | Buy | 50,000 | $0 |
| 2026-08-12 | MAINSAIL INCENTIVE PROGRAM, LLC | 10% Owner | Buy | 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 Partners III, L.P. | 10% Owner | Sell | 50,000 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-08-26