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Nasdaq · CIK 0001866757

BRLT Brilliant Earth Group, Inc.

Insider trading from SEC Form 4. Last filing Jun 23, 2026. Close $1.58 on Oct 9, 2026, +53% from the 52-week low and -44% from the high.

Brilliant Earth Group, Inc. (BRLT) has 45 SEC Form 4 filings on file from 8 insiders, the latest filed on Jun 23, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.

12 open-market trades have been scored at BRLT. The newest: Jennifer Noel Harris (director) sold $40k of stock on Jun 18, 2026, filed Jun 23, 2026, scored 6 (weak), under a 10b5-1 plan. The largest of the 12 shown: Jeffrey Chuenhong Kuo (Chief Financial Officer) sold $48k on Feb 18, 2025, scored 17 (weak), under a 10b5-1 plan. 2 insiders sold within 14 days of each other around Mar 13, 2025.

BRLT closed at $1.58 on Oct 9, 2026, 53% above its 52-week low and 44% below its 52-week high.

14 Form 144 notices of planned sales are on file, the latest filed Aug 17, 2026.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
8
with a Form 4 at this company

Price and insider trades, last year

BRLTOct 9, 2026 · close 1.58

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Brilliant Earth Group, Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
6WeakJennifer Noel Harris
director
sell
$40k
38,356 shares
-15%0% from low-64% from high
0WeakSharon Dziesietnik
Chief Operations Officer
sell
$12k
10,124 shares
-2%0% from low-61% from high
5WeakSharon Dziesietnik
Chief Operations Officer
sell
$27k
19,687 shares
-4%+25% from low-51% from high
0WeakSharon Dziesietnik
Chief Operations Officer
sell
$18k
9,191 shares
-2%+72% from low-33% from high
0WeakJennifer Noel Harris
director
sell
$21k
15,382 shares
-15%+5% from low-42% from high
0WeakSharon Dziesietnik
Chief Operations Officer
sell
$13k
9,190 shares
-2%+5% from low-43% from high
23WeakGavin Turner
director, owner
sell
$5,006
2,700 shares
-100%-
20WeakMainsail Gp Iii, LLC
owner
sell
$5,006
2,700 shares
-100%-
13WeakSharon Dziesietnik
Chief Operations Officer
sell
$31k
20,792 shares
-5%-
17WeakJeffrey Chuenhong Kuo
Chief Financial Officer
sell
$48k
31,708 shares
-7%-
0WeakSharon Dziesietnik
Chief Operations Officer
sell
$10k
5,324 shares
-1%-
2WeakJeffrey Chuenhong Kuo
Chief Financial Officer
sell
$15k
9,134 shares
-2%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Aug 17, 2026 Dziesietnik Sharon
Officer
10,124
0.06% of outstanding
$14kAug 17, 2026$12k
Aug 10, 2026 Mainsail Partners III, L.P.
Shareholder
48,824
0.29% of outstanding
$62kAug 10, 2026none
Aug 10, 2026 Mainsail Co-Investors III, L.P.
Shareholder
1,079
0.01% of outstanding
$1,381Aug 10, 2026none
Aug 10, 2026 Mainsail Incentive Program, LLC
Shareholder
97
0.00% of outstanding
$124Aug 10, 2026none
Jun 18, 2026 Harris Jennifer Noel
Director
38,356
0.24% of outstanding
$43kJun 18, 2026none
May 18, 2026 Dziesietnik Sharon
Officer
10,124
0.06% of outstanding
$12kMay 18, 2026$27k
Feb 18, 2026 Dziesietnik Sharon
Officer
19,687
0.13% of outstanding
$28kFeb 18, 2026none
Nov 17, 2025 Dziesietnik Sharon
Officer
9,191
0.06% of outstanding
$19kNov 17, 2025none
Jun 16, 2025 Harris Jennifer Noel
Director
22,580
0.16% of outstanding
$31kJun 16, 2025none
May 16, 2025 Dziesietnik Sharon
Officer
9,190
0.06% of outstanding
$14kMay 16, 2025$31k
Feb 18, 2025 Dziesietnik Sharon
Officer
20,792
0.15% of outstanding
$34kFeb 18, 2025$10k
Feb 18, 2025 Kuo Jeffrey Chuenhong
Officer
31,708
0.23% of outstanding
$52kFeb 18, 2025$15k
Dec 13, 2024 Dziesietnik Sharon
Officer
5,324
0.04% of outstanding
$10kDec 13, 2024none
Nov 18, 2024 Kuo Jeffrey Chuenhong
Officer
9,134
0.07% of outstanding
$16kNov 18, 2024none

Transactions

The newest 50 of 54 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Jun 18, 2026Jennifer Noel Harris
director
SOpen-market sale
Class A Common Stock10b5-1
-20,020$1.07$21k232,302Jun 23, 2026
Jun 22, 2026Jennifer Noel Harris
director
SOpen-market sale
Class A Common Stock10b5-1
-18,336$1.03$19k213,966Jun 23, 2026
Jun 17, 2026Jennifer Noel Harris
director
AGrant or award
Class A Common Stock10b5-1
+72,519$0.00$0252,322Jun 18, 2026
Jun 17, 2026Attica Jaques
director
AGrant or award
Class A Common Stock
+72,519$0.00$0288,234Jun 18, 2026
Jun 17, 2026Beth J Kaplan
director
AGrant or award
Class A Common Stock
+72,519$0.00$0293,934Jun 18, 2026
May 18, 2026Sharon Dziesietnik
Chief Operations Officer
SOpen-market sale
Class A Common Stock10b5-1
-10,124$1.15$12k542,572May 20, 2026
Mar 6, 2026Jeffrey Chuenhong Kuo
Chief Financial Officer
AGrant or award
Class A Common Stock
+112,582$0.00$0683,130Mar 10, 2026
Mar 6, 2026Sharon Dziesietnik
Chief Operations Officer
AGrant or award
Class A Common Stock
+105,960$0.00$0552,696Mar 10, 2026
Feb 18, 2026Sharon Dziesietnik
Chief Operations Officer
SOpen-market sale
Class A Common Stock10b5-1
-19,687$1.37$27k446,736Feb 20, 2026
Nov 17, 2025Sharon Dziesietnik
Chief Operations Officer
SOpen-market sale
Class A Common Stock10b5-1
-9,191$1.99$18k466,423Nov 19, 2025
Jun 18, 2025Ian Bickley
director
AGrant or award
Class A Common Stock
+95,890$0.00$0244,163Jun 23, 2025
Jun 18, 2025Attica Jaques
director
AGrant or award
Class A Common Stock
+95,890$0.00$0215,715Jun 23, 2025
Jun 18, 2025Jennifer Noel Harris
director
AGrant or award
Class A Common Stock
+95,890$0.00$0179,803Jun 23, 2025
Jun 18, 2025Beth J Kaplan
director
AGrant or award
Class A Common Stock
+95,890$0.00$0221,415Jun 23, 2025
Jun 16, 2025Jennifer Noel Harris
director
SOpen-market sale
Class A Common Stock10b5-1
-2,962$1.38$4,08896,333Jun 18, 2025
Jun 17, 2025Jennifer Noel Harris
director
SOpen-market sale
Class A Common Stock10b5-1
-7,103$1.35$9,58989,230Jun 18, 2025
Jun 18, 2025Jennifer Noel Harris
director
SOpen-market sale
Class A Common Stock10b5-1
-5,317$1.35$7,17883,913Jun 18, 2025
May 31, 2025Ian Bickley
director
AGrant or award
Class B Common Stock
+605$0.00$027,419Jun 2, 2025
May 31, 2025Attica Jaques
director
AGrant or award
Class B Common Stock
+605$0.00$027,419Jun 2, 2025
May 16, 2025Sharon Dziesietnik
Chief Operations Officer
SOpen-market sale
Class A Common Stock10b5-1
-9,190$1.40$13k475,614May 19, 2025
Apr 30, 2025Ian Bickley
director
AGrant or award
Class B Common Stock
+571$0.00$026,814May 1, 2025
Apr 30, 2025Attica Jaques
director
AGrant or award
Class B Common Stock
+571$0.00$026,814May 1, 2025
Mar 31, 2025Ian Bickley
director
AGrant or award
Class B Common Stock
+571$0.00$026,243Apr 1, 2025
Mar 31, 2025Attica Jaques
director
AGrant or award
Class B Common Stock
+571$0.00$026,243Apr 1, 2025
Mar 31, 2025Jennifer Noel Harris
director
AGrant or award
Class B Common Stock
+900$0.00$041,215Apr 1, 2025
Mar 26, 2025Jeffrey Chuenhong Kuo
Chief Financial Officer
AGrant or award
Class A Common Stock
+120,567$0.00$0570,548Mar 28, 2025
Mar 26, 2025Sharon Dziesietnik
Chief Operations Officer
AGrant or award
Class A Common Stock
+113,475$0.00$0484,804Mar 28, 2025
Mar 13, 2025Mainsail Gp Iii, LLC
owner
CConversion
Class B Common Stockindirect: See footnotes10b5-1
-2,700--31,898,071Mar 17, 2025
Mar 13, 2025Gavin Turner
director, owner
CConversion
Class B Common Stockindirect: See footnotes10b5-1
-2,700--31,898,071Mar 17, 2025
Mar 13, 2025Mainsail Gp Iii, LLC
owner
CConversion
Class A Common Stockindirect: See footnote10b5-1
+2,700--2,700Mar 17, 2025
Mar 13, 2025Gavin Turner
director, owner
CConversion
Class A Common Stockindirect: See footnote10b5-1
+2,700--2,700Mar 17, 2025
Mar 13, 2025Mainsail Gp Iii, LLC
owner
SOpen-market sale
Class A Common Stockindirect: See footnote10b5-1
-2,700$1.85$5,0060Mar 17, 2025
Mar 13, 2025Gavin Turner
director, owner
SOpen-market sale
Class A Common Stockindirect: See footnote10b5-1
-2,700$1.85$5,0060Mar 17, 2025
Mar 13, 2025Mainsail Gp Iii, LLC
owner
CConversion
LLC Unitsderivativeindirect: See footnotes10b5-1
-2,700--31,898,071Mar 17, 2025
Mar 13, 2025Gavin Turner
director, owner
CConversion
LLC Unitsderivativeindirect: See footnotes10b5-1
-2,700--31,898,071Mar 17, 2025
Feb 28, 2025Ian Bickley
director
AGrant or award
Class B Common Stock
+571$0.00$025,672Mar 3, 2025
Feb 28, 2025Jennifer Noel Harris
director
AGrant or award
Class B Common Stock
+859$0.00$040,315Mar 3, 2025
Feb 28, 2025Attica Jaques
director
AGrant or award
Class B Common Stock
+571$0.00$025,672Mar 3, 2025
Feb 18, 2025Sharon Dziesietnik
Chief Operations Officer
SOpen-market sale
Class A Common Stock10b5-1
-20,792$1.50$31k371,329Feb 19, 2025
Feb 18, 2025Jeffrey Chuenhong Kuo
Chief Financial Officer
SOpen-market sale
Class A Common Stock10b5-1
-31,708$1.52$48k449,981Feb 19, 2025
Jan 31, 2025Ian Bickley
director
AGrant or award
Class B Common Stock
+571$0.00$025,101Feb 5, 2025
Jan 31, 2025Attica Jaques
director
AGrant or award
Class B Common Stock
+571$0.00$025,101Feb 5, 2025
Jan 31, 2025Jennifer Noel Harris
director
AGrant or award
Class B Common Stock
+859$0.00$039,456Feb 5, 2025
Dec 31, 2024Ian Bickley
director
AGrant or award
Class B Common Stock
+571$0.00$024,530Jan 2, 2025
Dec 31, 2024Jennifer Noel Harris
director
AGrant or award
Class B Common Stock
+859$0.00$038,597Jan 2, 2025
Dec 31, 2024Attica Jaques
director
AGrant or award
Class B Common Stock
+571$0.00$024,530Jan 2, 2025
Dec 13, 2024Sharon Dziesietnik
Chief Operations Officer
SOpen-market sale
Class A Common Stock10b5-1
-5,324$1.96$10k392,121Dec 13, 2024
Nov 30, 2024Ian Bickley
director
AGrant or award
Class B Common Stock
+571$0.00$023,959Dec 2, 2024
Nov 30, 2024Attica Jaques
director
AGrant or award
Class B Common Stock
+571$0.00$023,959Dec 2, 2024
Nov 30, 2024Jennifer Noel Harris
director
AGrant or award
Class B Common Stock
+859$0.00$037,738Dec 2, 2024
50 of 54 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about BRLT

Answered from the filings on this page, as of the latest one.

Are insiders buying BRLT?

No. In the last 90 days no insider at Brilliant Earth Group, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.

Who was the last insider to trade BRLT on the open market?

Jennifer Noel Harris (director) sold $40k of BRLT on Jun 18, 2026 and filed the Form 4 on Jun 23, 2026. InsiderTell scored 6 (weak), under a 10b5-1 plan.

How many insiders file Form 4 at Brilliant Earth Group, Inc.?

8 people have filed a Form 4 at Brilliant Earth Group, Inc., among them Ian Bickley (director and CEO), Sharon Dziesietnik (Chief Operations Officer), Jennifer Noel Harris (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

BRLT insider trading: Brilliant Earth Group, Inc. | InsiderTell