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sellWeak10b5-1 plan

Mark T Mondello sold $4.2M of JBL

Executive Chairman at JABIL INC. 20,000 shares at an average of $212.20, traded Dec 1, 2025, filed Dec 3, 2025.

Warning score
25
Value
$4.2M
20,000 shares
Holdings after
1,221,459
-2% from before
From 52-week low
+80%
low $116.65, close $209.83
From 52-week high
-10%
high $234.18, as of Dec 1, 2025

Score components

  • Role
    Chair
    +20
  • Trade size
    $4.2M at market
    +25
  • Share of holdings sold
    Sold 1.6% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

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.

JBLOct 9, 2026 · close 306.28
Since filing Dec 3, 2025: +43.2%SPY +15.1% · excess +28.1%

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 0001225208-25-009623, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 1, 2025SOpen-market sale
Common Stock10b5-1
-345$208.99$72k1,241,114Dec 3, 2025
Dec 1, 2025SOpen-market sale
Common Stock10b5-1
-455$210.21$96k1,240,659Dec 3, 2025
Dec 1, 2025SOpen-market sale
Common Stock10b5-1
-1,143$208.29$238k1,239,516Dec 3, 2025
Dec 1, 2025SOpen-market sale
Common Stock10b5-1
-2,288$211.37$484k1,237,228Dec 3, 2025
Dec 1, 2025SOpen-market sale
Common Stock10b5-1
-6,509$213.27$1.4M1,230,719Dec 3, 2025
Dec 1, 2025SOpen-market sale
Common Stock10b5-1
-9,260$212.36$2.0M1,221,459Dec 3, 2025

Related signals

Other insiders at JABIL INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
36Weak
JBLsell 2
JABIL INC
Anousheh Ansari
director
$270k
1,000 shares
-3%
37Weak
JBLsell 2
JABIL INC
Gary K. Schick
SVP, CHRO
$278k
1,000 shares
-2%
13Weak
JBLsell 210b5-1
JABIL INC
Gary K. Schick
SVP, CHRO
$103k
422 shares
-1%
45Moderate
JBLsell 510b5-1
JABIL INC
Michael Dastoor
CEO
$3.7M
15,000 shares
-5%
46Moderate
JBLsell 4
JABIL INC
Adam E. Berry
SVP, IR and Corporate Affairs
$404k
1,596 shares
-8%
60Notable
JBLsell 4
JABIL INC
Mark T Mondello
Executive Chairman
$4.3M
17,200 shares
-2%
43Moderate
JBLsell 4
JABIL INC
Anousheh Ansari
director
$246k
1,000 shares
-3%
60Notable
JBLsell 4
JABIL INC
Mark T Mondello
Executive Chairman
$5.5M
22,800 shares
-2%
40Moderate
JBLsell 510b5-1
JABIL INC
Mark T Mondello
Executive Chairman
$4.7M
20,000 shares
-2%
55Moderate
JBLsell 4
JABIL INC
Steven D Borges
EVP, Global Business Units
$2.4M
10,000 shares
-10%

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 T Mondello sold $4.2M of JBL | InsiderTell