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sellWeak cluster of 2

Mark Briffa sold $22k of UP

Chief Sales Officer at Wheels Up Experience Inc.. 9,904 shares at an average of $2.18, traded Sep 11, 2025, filed Sep 11, 2025.

Warning score
23
Value
$22k
9,904 shares
Holdings after
1,050,469
-1% from before
From 52-week low
+188%
low $15.00, close $43.20
From 52-week high
-35%
high $66.00, as of Sep 11, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $22k at market
    0
  • Share of holdings sold
    Sold 0.9% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8

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 -22.2%, 3m -62.7%, 6m -75.0%.

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.

UPOct 9, 2026 · close 3.81
Since filing Sep 11, 2025: -91.2%SPY +19.9% · excess -111.1%

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 0001410578-25-002164, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 9, 2025FTax withholding
Class A Common Stock, par value $0.0001 per share
-8,784$2.22$20k1,060,373Sep 11, 2025
Sep 11, 2025SOpen-market sale
Class A Common Stock, par value $0.0001 per share
-9,904$2.18$22k1,050,469Sep 11, 2025

Related signals

Other insiders at Wheels Up Experience Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
23Weak
UPsell 2
Wheels Up Experience Inc.
Meaghan Danielle Wells
Chief Growth Officer
$4,052
923 shares
-2%
26Weak
UPsell 2
Wheels Up Experience Inc.
CK Wheels LLC
owner
$43k
9,363 shares
-0%
15Weak
UPsell
Wheels Up Experience Inc.
Meaghan Danielle Wells
Chief Growth Officer
$24k
4,358 shares
-7%
32Weak
UPsell 2
Wheels Up Experience Inc.
CK Wheels LLC
owner
$222k
27,624 shares
-0%
29Weak
UPsell 2
Wheels Up Experience Inc.
CK Wheels LLC
owner
$86k
10,582 shares
-0%
23Weak
UPsell 2
Wheels Up Experience Inc.
Mark Briffa
Chief Sales Officer
$7,628
1,017 shares
-1%
41Moderate
UPbuy
Wheels Up Experience Inc.
George N Mattson
Chief Executive Officer
$8,201
1,475 shares
+6%
15Weak
UPsell
Wheels Up Experience Inc.
Mark Briffa
Chief Sales Officer
$19k
3,804 shares
-4%
62Notable
UPbuy
Wheels Up Experience Inc.
George N Mattson
Chief Executive Officer
$138k
26,316 shares
-
33Weak
UPsell 2
Wheels Up Experience Inc.
Mark Briffa
Chief Sales Officer
$107k
86,813 shares
-9%

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.

Mark Briffa sold $22k of UP | InsiderTell