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buyModerate cluster of 2

Wei Jiang bought $145k of WAT

director at WATERS CORP /DE/. 500 shares at an average of $289.46, traded Mar 16, 2026, filed Mar 18, 2026.

Conviction score
51
Value
$145k
500 shares
Holdings after
3,441
+17% from before
From 52-week low
+4%
low $277.72, close $290.02
From 52-week high
-30%
high $412.54, as of Mar 16, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $145k at market
    +11
  • Relative to holdings
    Holdings up 17%
    +3
  • Price context
    4% above the 52-week low; 30% below the 52-week high
    +14
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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 +11.1%, 3m +21.0%, 6m +41.9%.

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.

WATOct 12, 2026 · close 432.10
Since filing Mar 18, 2026: +46.4%SPY +18.6% · excess +27.9%

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 0001000697-26-000105, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 16, 2026POpen-market purchase
Common Stock
+500$289.46$145k3,441Mar 18, 2026

Related signals

Other insiders at WATERS CORP /DE/ and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
30Weak
WATsell
WATERS CORP /DE/
Christopher A Kuebler
director
$1.4M
3,626 shares
-17%
57Moderate
WATbuy 2
WATERS CORP /DE/
Richard H Fearon
director
$306k
1,000 shares
+43%
32Weak
WATsell
WATERS CORP /DE/
Linda Baddour
director
$178k
500 shares
-18%

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.

Wei Jiang bought $145k of WAT | InsiderTell