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sellWeak

Thomas A South sold $333k of NTRS

Executive Vice President at NORTHERN TRUST CORP. 1,800 shares at an average of $184.90, traded Aug 24, 2026, filed Aug 25, 2026.

Warning score
30
Value
$333k
1,800 shares
Holdings after
92,917
-2% from before
From 52-week low
+55%
low $120.18, close $185.78
From 52-week high
-3%
high $190.57, as of Aug 24, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $333k at market
    +15
  • Share of holdings sold
    Sold 1.9% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0

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.

NTRSOct 12, 2026 · close 169.21
Since filing Aug 25, 2026: -9.0%SPY +1.8% · excess -10.8%

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 0001751051-26-000014, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 24, 2026SOpen-market sale
Common Stock
-1,800$184.90$333k92,917Aug 25, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
36Weak
NTRSbuy
NORTHERN TRUST CORP
Robert Edward Moritz Jr.
director
$46k
255 shares
+3%
45Moderate
NTRSsell
NORTHERN TRUST CORP
Aengus Hallinan
Executive Vice President
$614k
3,668 shares
-28%
26Weak
NTRSbuy
NORTHERN TRUST CORP
Robert Edward Moritz Jr.
director
$37k
225 shares
+3%
75Notable
NTRSsell 2
NORTHERN TRUST CORP
David W Fox Jr
EVP & Chief Financial Officer
$3.3M
20,000 shares
-52%
45Moderate
NTRSsell 2
NORTHERN TRUST CORP
Clive Bellows
Co-President Asset Servicing
$462k
2,800 shares
-9%
45Moderate
NTRSsell 2
NORTHERN TRUST CORP
Guy Gibson
Co-President Asset Servicing
$428k
3,009 shares
-9%
52Moderate
NTRSsell 2
NORTHERN TRUST CORP
David W Fox Jr
EVP & Chief Financial Officer
$468k
3,255 shares
-18%
49Moderate
NTRSsell 3
NORTHERN TRUST CORP
David W Fox Jr
EVP & Chief Financial Officer
$209k
1,450 shares
-7%
46Moderate
NTRSsell 3
NORTHERN TRUST CORP
Clive Bellows
Co-President Asset Servicing
$167k
1,148 shares
-3%
46Moderate
NTRSsell 3
NORTHERN TRUST CORP
Guy Gibson
Co-President Asset Servicing
$154k
1,043 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.

Thomas A South sold $333k of NTRS | InsiderTell