🕵️ Brilliant Earth Group, Inc. ($BRLT)
SEC insider & ownership activity, last 12 months · CIK 1866757 · every row links its SEC filing
Over the last 12 months insiders sold $239K against $39K of open-market buying. Dziesietnik Sharon sold $70K through a 10b5-1 trading plan in 4 lots (Nov–Aug). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $39K (5 lots) · 4 sellers, $239K (8 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Dziesietnik Sharon | 0 | – | 4 | $70K | Aug 17, 2026 |
| Turner Gavin | 0 | – | 1 | $64K | Aug 10, 2026 |
| Mainsail GP III, LLC | 0 | – | 1 | $64K | Aug 10, 2026 |
| Harris Jennifer Noel | 0 | – | 2 | $40K | Jun 22, 2026 |
| Kuo Jeffrey Chuenhong | 1 | $14K | 0 | – | Aug 13, 2026 |
| Grossberg Eric Scott | 2 | $13K | 0 | – | Aug 19, 2026 |
| Gerstein Beth Tamara | 2 | $13K | 0 | – | Aug 19, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Gavin Turner | 68.8% | 13G | May 14, 2025 | filing ↗ | |
| Mainsail GP III, LLC | 68.7% | 13G | May 14, 2025 | filing ↗ | |
| Mainsail Partners III, L.P. | 67.2% | 13G | May 14, 2025 | filing ↗ | |
| Capital World Investors | 6.4% | 13G | May 13, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Dziesietnik Sharon | $14K | Aug 17, 2026 | filing ↗ |
| Mainsail Incentive Program, LLC | $124 | Aug 10, 2026 | filing ↗ |
| Mainsail Co-Investors III, L.P. | $1K | Aug 10, 2026 | filing ↗ |
| Mainsail Partners III, L.P. | $62K | Aug 10, 2026 | filing ↗ |
| Harris Jennifer Noel | $43K | Jun 18, 2026 | filing ↗ |
| Dziesietnik Sharon | $12K | May 18, 2026 | filing ↗ |
| Dziesietnik Sharon | $28K | Feb 18, 2026 | filing ↗ |
| Dziesietnik Sharon | $19K | Nov 17, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 17, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 19, 2026 | filing ↗ |
| Earnings (2.02) | Mar 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 5, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Dec 22, 2025 | filing ↗ |
| Charter/bylaw changes (5.03) | Dec 22, 2025 | filing ↗ |
| Other events (8.01) | Dec 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 22, 2025 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |