Brilliant Earth Group, Inc. (BRLT) Insider Trading
Over the last 3 months, BRLT insiders made 5 open-market buys and 5 sales, a net sale of -$143K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 5 institutions increased and 11 reduced their position (13F).
Insider Activity
Sentiment
21/100
Buys (3m)
5
Sells (3m)
5
Net (3m)
-$143.0K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Jun
Nov
Feb
May
Jun
Aug
Context3-month price +13.6%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Dziesietnik Sharonofficer: Chief Operations Officer | Sell | 10,124 | $1.27 |
| Aug 19, 2026 | Gerstein Beth Tamaradirector, 10 percent owner, officer: Chief Executive Officer | Buy | 6,797 | $1.25 |
| Aug 19, 2026 | Gerstein Beth Tamaradirector, 10 percent owner, officer: Chief Executive Officer | Buy | 3,203 | $1.26 |
| Aug 19, 2026 | Grossberg Eric Scottdirector, 10 percent owner, officer: Executive Chairman | Buy | 9,619 | $1.27 |
| Aug 19, 2026 | Grossberg Eric Scottdirector, 10 percent owner, officer: Executive Chairman | Buy | 381 | $1.26 |
| Aug 17, 2026 | Kuo Jeffrey Chuenhongofficer: Chief Financial Officer | Buy | 10,000 | $1.36 |
| Aug 12, 2026 | TURNER GAVINdirector, 10 percent owner: | Sell | 50,000 | $1.29 |
| Aug 12, 2026 | MAINSAIL GP III, LLC10 percent owner | Sell | 50,000 | $1.29 |
| Jun 23, 2026 | Harris Jennifer Noeldirector | Sell | 20,020 | $1.07 |
| Jun 23, 2026 | Harris Jennifer Noeldirector | Sell | 18,336 | $1.03 |
| Jun 18, 2026 | Harris Jennifer Noeldirector | Grant | 72,519 | — |
| Jun 18, 2026 | KAPLAN BETH Jdirector | Grant | 72,519 | — |
| Jun 18, 2026 | Jaques Atticadirector | Grant | 72,519 | — |
| May 20, 2026 | Dziesietnik Sharonofficer: Chief Operations Officer | Sell | 10,124 | $1.15 |
| Mar 10, 2026 | Kuo Jeffrey Chuenhongofficer: Chief Financial Officer | Grant | 112,582 | — |
| Mar 10, 2026 | Dziesietnik Sharonofficer: Chief Operations Officer | Grant | 105,960 | — |
| Feb 20, 2026 | Dziesietnik Sharonofficer: Chief Operations Officer | Sell | 19,687 | $1.37 |
| Nov 19, 2025 | Dziesietnik Sharonofficer: Chief Operations Officer | Sell | 9,191 | $1.99 |
| Jun 23, 2025 | Harris Jennifer Noeldirector | Grant | 95,890 | — |
| Jun 23, 2025 | Bickley Iandirector | Grant | 95,890 | — |
| Jun 23, 2025 | KAPLAN BETH Jdirector | Grant | 95,890 | — |
| Jun 23, 2025 | Jaques Atticadirector | Grant | 95,890 | — |
| Jun 18, 2025 | Harris Jennifer Noeldirector | Sell | 7,103 | $1.35 |
| Jun 18, 2025 | Harris Jennifer Noeldirector | Sell | 2,962 | $1.38 |
| Jun 18, 2025 | Harris Jennifer Noeldirector | Sell | 5,317 | $1.35 |
| Jun 2, 2025 | Jaques Atticadirector | Grant | 605 | — |
| Jun 2, 2025 | Bickley Iandirector | Grant | 605 | — |
| May 19, 2025 | Dziesietnik Sharonofficer: Chief Operations Officer | Sell | 9,190 | $1.40 |
| May 1, 2025 | Bickley Iandirector | Grant | 571 | — |
| May 1, 2025 | Jaques Atticadirector | Grant | 571 | — |
Source: BRLT SEC Form 4 filings, latest Aug 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their BRLT positions over the last 6 months (SEC Form 13F).
Increased
5
New positions
10
Reduced
11
Sold out
36
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| CAPITAL WORLD INVESTORS | Unchanged | 1.1M | May 13, 2026 |
| AMERIPRISE FINANCIAL INC | Increased | 808K | Jul 17, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 524K | May 15, 2026 |
| RUSSELL INVESTMENTS GROUP, LTD. | Reduced | 473K | May 8, 2026 |
| POTOMAC CAPITAL MANAGEMENT, INC. | Increased | 315K | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 205K | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 202K | May 14, 2026 |
| KLINGMAN & ASSOCIATES, LLC | Unchanged | 148K | May 14, 2026 |
| BLACKROCK, INC. | Reduced | 148K | May 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | Reduced | 109K | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 78K | May 8, 2026 |
| BOSTON PARTNERS | Reduced | 69K | May 11, 2026 |
| STATE STREET CORP | Unchanged | 46K | May 15, 2026 |
| MORGAN STANLEY | Reduced | 39K | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 39K | Mar 25, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.