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sellWeak cluster of 210b5-1 plan

Mainsail Gp Iii, LLC sold $82k of BRLT

owner at Brilliant Earth Group, Inc.. 23,366 shares at an average of $3.51, traded Dec 19, 2023, filed Dec 21, 2023.

Warning score
29
Value
$82k
23,366 shares
Holdings after
0
-154% from before
From 52-week low
+60%
low $1.94, close $3.10
From 52-week high
-41%
high $5.27, as of Dec 19, 2023

Score components

  • Role
    10% owner
    +12
  • Trade size
    $82k at market
    +9
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -12.4%, 3m -10.3%, 6m -35.1%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

BRLTOct 9, 2026 · close 1.58
Since filing Dec 21, 2023: -49.0%SPY +70.0% · excess -118.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000950170-23-072390, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 19, 2023CConversion
Class B Common Stockindirect: See footnotes10b5-1
-15,133--31,950,638Dec 21, 2023
Dec 19, 2023CConversion
Class A Common Stockindirect: See footnote10b5-1
+15,133--15,133Dec 21, 2023
Dec 19, 2023SOpen-market sale
Class A Common Stockindirect: See footnote10b5-1
-15,133$3.51$53k0Dec 21, 2023
Dec 21, 2023CConversion
Class B Common Stockindirect: See footnotes10b5-1
-8,233--31,942,405Dec 21, 2023
Dec 21, 2023CConversion
Class A Common Stockindirect: See footnote10b5-1
+8,233--8,233Dec 21, 2023
Dec 21, 2023SOpen-market sale
Class A Common Stockindirect: See footnote10b5-1
-8,233$3.51$29k0Dec 21, 2023
Dec 19, 2023CConversion
LLC Unitsderivativeindirect: See footnotes10b5-1
-15,133--31,950,638Dec 21, 2023
Dec 21, 2023CConversion
LLC Unitsderivativeindirect: See footnotes10b5-1
-8,233--31,942,405Dec 21, 2023

Related signals

Other insiders at Brilliant Earth Group, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
15Weak
BRLTsell 310b5-1
Brilliant Earth Group, Inc.
Sharon Dziesietnik
Chief Operations Officer
$13k
10,124 shares
-2%
51Moderate
BRLTbuy 3
Brilliant Earth Group, Inc.
Eric Scott Grossberg
Executive Chairman
$13k
10,000 shares
-
56Moderate
BRLTbuy 3
Brilliant Earth Group, Inc.
Beth Tamara Gerstein
Chief Executive Officer
$13k
10,000 shares
-
45Moderate
BRLTbuy 3
Brilliant Earth Group, Inc.
Jeffrey Chuenhong Kuo
Chief Financial Officer
$14k
10,000 shares
+1%
58Moderate
BRLTsell 3
Brilliant Earth Group, Inc.
Gavin Turner
director, owner
$64k
50,000 shares
-100%
55Moderate
BRLTsell 3
Brilliant Earth Group, Inc.
Mainsail Gp Iii, LLC
owner
$64k
50,000 shares
-100%
6Weak
BRLTsell10b5-1
Brilliant Earth Group, Inc.
Jennifer Noel Harris
director
$40k
38,356 shares
-15%
0Weak
BRLTsell10b5-1
Brilliant Earth Group, Inc.
Sharon Dziesietnik
Chief Operations Officer
$12k
10,124 shares
-2%
5Weak
BRLTsell10b5-1
Brilliant Earth Group, Inc.
Sharon Dziesietnik
Chief Operations Officer
$27k
19,687 shares
-4%
0Weak
BRLTsell10b5-1
Brilliant Earth Group, Inc.
Sharon Dziesietnik
Chief Operations Officer
$18k
9,191 shares
-2%

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.

Mainsail Gp Iii, LLC sold $82k of BRLT | InsiderTell