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sellWeak cluster of 310b5-1 plan

Dietmar Ostermann sold $27k of XOS

director at Xos, Inc.. 12,476 shares at an average of $2.20, traded Jul 15, 2026, filed Aug 27, 2026.

Warning score
15
Value
$27k
12,476 shares
Holdings after
115,226
-10% from before
From 52-week low
+44%
low $1.61, close $2.32
From 52-week high
-69%
high $7.46, as of Jul 15, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $27k at market
    +5
  • Share of holdings sold
    Sold 9.8% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 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.

XOSOct 12, 2026 · close 3.21
Since filing Aug 27, 2026: -9.1%SPY +1.2% · excess -10.2%

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 0001193125-26-369551, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 15, 2026SOpen-market sale
Common Stock10b5-1
-4,159$2.30$9,576123,543Aug 27, 2026
Jul 16, 2026SOpen-market sale
Common Stock10b5-1
-4,158$2.16$8,984119,385Aug 27, 2026
Jul 17, 2026SOpen-market sale
Common Stock10b5-1
-4,159$2.15$8,936115,226Aug 27, 2026

Related signals

Other insiders at Xos, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
15Weak
XOSbuy
Xos, Inc.
George N Mattson
director
$11k
4,062 shares
+2%
15Weak
XOSsell
Xos, Inc.
Dietmar Ostermann
director
$13k
5,000 shares
-6%
34Weak
XOSsell 2
Xos, Inc.
Dietmar Ostermann
director
$45k
15,000 shares
-14%
15Weak
XOSsell 410b5-1
Xos, Inc.
Dietmar Ostermann
director
$30k
12,475 shares
-9%
10Weak
XOSsell 410b5-1
Xos, Inc.
Michael Paul Richardson
director
$23k
9,357 shares
-6%
10Weak
XOSsell 310b5-1
Xos, Inc.
Michael Paul Richardson
director
$21k
9,356 shares
-7%
10Weak
XOSsell 410b5-1
Xos, Inc.
Alice K Jackson
director
$18k
7,500 shares
-4%
10Weak
XOSsell 310b5-1
Xos, Inc.
Alice K Jackson
director
$17k
7,500 shares
-5%
36Weak
XOSsell 3
Xos, Inc.
Dietmar Ostermann
director
$35k
10,000 shares
-9%
47Moderate
XOSsell 3
Xos, Inc.
Giordano Sordoni
Chief Operating Officer
$198k
49,370 shares
-3%

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.

Dietmar Ostermann sold $27k of XOS | InsiderTell