Skip to content
sellWeak10b5-1 plan

Robert P. Mauch sold $479k of COR

President & CEO at AMERISOURCEBERGEN CORP. 1,333 shares at an average of $359.46, traded Feb 18, 2026, filed Feb 20, 2026.

Warning score
23
Value
$479k
1,333 shares
Holdings after
65,393
-2% from before
From 52-week low
+50%
low $238.70, close $358.71
From 52-week high
-4%
high $372.53, as of Feb 18, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $479k at market
    +18
  • Share of holdings sold
    Sold 2.0% 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.

This signal so far: 1m -9.5%, 3m -23.7%, 6m -11.5%.

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.

COROct 13, 2026 · close 330.11
Since filing Feb 20, 2026: -8.2%SPY +13.7% · excess -21.9%

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 0001633897-26-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 18, 2026SOpen-market sale
Common Stock10b5-1
-1,333$359.46$479k65,393Feb 20, 2026

Related signals

Other insiders at AMERISOURCEBERGEN CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
9Weak
CORsell10b5-1
AMERISOURCEBERGEN CORP
Lazarus Krikorian
SVP & Chief Accounting Officer
$299k
986 shares
-6%
31Weak
CORsell
AMERISOURCEBERGEN CORP
Lon R Greenberg
director
$411k
1,280 shares
-7%
17Weak
CORsell 210b5-1
AMERISOURCEBERGEN CORP
Lazarus Krikorian
SVP & Chief Accounting Officer
$321k
985 shares
-6%
58Moderate
CORsell 2
AMERISOURCEBERGEN CORP
Elizabeth S Campbell
Executive Vice President
$3.7M
11,300 shares
-37%
51Moderate
CORbuy 2
AMERISOURCEBERGEN CORP
Lauren M Tyler
director
$149k
550 shares
+14%
70Notable
CORbuy 2
AMERISOURCEBERGEN CORP
Dermot Mark Durcan
director
$1.1M
4,000 shares
+14%
57Moderate
CORbuy
AMERISOURCEBERGEN CORP
Dermot Mark Durcan
director
$1.1M
4,000 shares
+17%
15Weak
CORsell10b5-1
AMERISOURCEBERGEN CORP
Robert P. Mauch
President & CEO
$1.4M
3,762 shares
-5%
15Weak
CORsell10b5-1
AMERISOURCEBERGEN CORP
Robert P. Mauch
President & CEO
$1.8M
5,096 shares
-7%
49Moderate
CORsell 4
AMERISOURCEBERGEN CORP
Silvana Battaglia
Executive Vice President
$579k
1,677 shares
-8%

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.

Robert P. Mauch sold $479k of COR | InsiderTell