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sellStrong cluster of 6

Barry Biffle sold $3.5M of ULCC

CEO at Frontier Group Holdings, Inc.. 631,806 shares at an average of $5.62, traded Sep 2, 2025, filed Sep 4, 2025.

Warning score
85
Value
$3.5M
631,806 shares
Holdings after
0
-52% from before
From 52-week low
+88%
low $2.98, close $5.61
From 52-week high
-44%
high $10.06, as of Sep 2, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $3.5M at market
    +25
  • Share of holdings sold
    Sold 52% of holdings
    +20
  • Cluster
    6 insiders selling within 14 days
    +15

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.

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.

ULCCOct 9, 2026 · close 5.86
Since filing Sep 4, 2025: +13.1%SPY +21.6% · excess -8.4%

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 0001511298-25-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 2, 2025SOpen-market sale
Common Stock
-423,882$5.63$2.4M800,000Sep 4, 2025
Sep 2, 2025SOpen-market sale
Common Stockindirect: By Family Trust
-48,949$5.63$276k0Sep 4, 2025
Sep 2, 2025SOpen-market sale
Common Stockindirect: By Spouse
-158,975$5.58$887k0Sep 4, 2025

Related signals

Other insiders at Frontier Group Holdings, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
23Weak
ULCCsell 2
Frontier Group Holdings, Inc.
Alexandre Clerc
SVP, Customers
$20k
3,480 shares
-9%
9Weak
ULCCsell 210b5-1
Frontier Group Holdings, Inc.
Steve Schuller
SVP, Human Resources
$45k
7,500 shares
-9%
50Moderate
ULCCsell 6
Frontier Group Holdings, Inc.
Alexandre Clerc
SVP, Customers
$20k
3,800 shares
-59%
52Moderate
ULCCsell 6
Frontier Group Holdings, Inc.
Howard Diamond
EVP, Legal & Corporate Affairs
$195k
35,401 shares
-32%
55Moderate
ULCCsell 6
Frontier Group Holdings, Inc.
Howard Diamond
EVP, Legal & Corporate Affairs
$332k
57,809 shares
-35%
41Moderate
ULCCsell 6
Frontier Group Holdings, Inc.
Robert J. Genise
director
$166k
30,000 shares
-8%
22Weak
ULCCsell 610b5-1
Frontier Group Holdings, Inc.
Steve Schuller
SVP, Human Resources
$60k
10,000 shares
-13%
50Moderate
ULCCsell 6
Frontier Group Holdings, Inc.
Robert Schroeter
SVP, Chief Commercial Officer
$100k
21,055 shares
-36%
45Moderate
ULCCsell 6
Frontier Group Holdings, Inc.
Alexandre Clerc
SVP, Customers
$25k
5,485 shares
-46%
41Moderate
ULCCsell
Frontier Group Holdings, Inc.
Alexandre Clerc
SVP, Customers
$47k
12,000 shares
-50%

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.

Barry Biffle sold $3.5M of ULCC | InsiderTell