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WATNYSE · Laboratory Analytical Instruments

WATERS CORP /DE/

Alert me on WAT
0
Insider buys, 6 months
2
Congress trades, 6 months
0
Signals, 6 months

Six months

WAT stock chart by TradingView

After each filing

16
Sep 1 Sale Rep. Kevin Hern House
1 week
−2.6%S&P −1.0%
1 month
+3.2%S&P +0.8%
3 months
Result in27 trading days
6 months
Result in90 trading days
Aug 8 Sale KUEBLER CHRISTOPHER A Insider
1 week
−1.0%S&P 0.0%
1 month
−1.7%S&P −1.4%
3 months
Result in10 trading days
6 months
Result in73 trading days
Aug 5 Sale Sen. Thomas H Tuberville Senate
1 week
+3.5%S&P +1.2%
1 month
+2.4%S&P +0.2%
3 months
Result in8 trading days
6 months
Result in71 trading days
Apr 13 Sale Rep. Thomas H. Kean House
1 week
+1.3%S&P +1.4%
1 month
+1.2%S&P +6.9%
3 months
+13.3%S&P +9.0%
6 months
+29.7%S&P +12.6%
Apr 7 Buy Rep. Gilbert Cisneros House
1 week
+2.4%S&P +3.5%
1 month
+10.0%S&P +8.2%
3 months
+18.4%S&P +11.5%
6 months
+36.9%S&P +15.6%
Show all 16
Mar 19 Buy Jiang Wei Insider
1 week
+0.3%S&P −2.0%
1 month
+12.0%S&P +7.7%
3 months
+18.7%S&P +13.8%
6 months
+40.7%S&P +16.3%
Mar 18 Sale Rep. Thomas H. Kean House
1 week
+0.3%S&P −2.0%
1 month
+12.0%S&P +7.7%
3 months
+18.7%S&P +13.8%
6 months
+40.7%S&P +16.3%
Mar 11 Buy FEARON RICHARD H Insider
1 week
−0.8%S&P −2.2%
1 month
+7.5%S&P +0.7%
3 months
+22.1%S&P +7.6%
6 months
+35.0%S&P +12.6%
Jan 13 Buy Rep. Julia Letlow House
1 week
+1.8%S&P −0.2%
1 month
−17.8%S&P −1.2%
3 months
−18.9%S&P +1.9%
6 months
−6.2%S&P +8.2%
Jan 13 Sale Rep. Julia Letlow House
1 week
+1.8%S&P −0.2%
1 month
−17.8%S&P −1.2%
3 months
−18.9%S&P +1.9%
6 months
−6.2%S&P +8.2%
Oct 10, 2025 Buy Rep. Gilbert Cisneros House
1 week
+2.0%S&P +1.2%
1 month
+14.8%S&P +3.0%
3 months
+17.2%S&P +4.9%
6 months
−3.0%S&P +6.2%
Sep 12, 2025 Buy Rep. Gilbert Cisneros House
1 week
+1.2%S&P +1.2%
1 month
+11.4%S&P +0.5%
3 months
+28.9%S&P +3.4%
6 months
−0.7%S&P +2.1%
Aug 13, 2025 Buy Rep. Lisa McClain House
1 week
−1.0%S&P −1.5%
1 month
+1.9%S&P +2.5%
3 months
+32.0%S&P +6.3%
6 months
+10.2%S&P +6.3%
Aug 13, 2025 Sale Rep. Lisa McClain House
1 week
−1.0%S&P −1.5%
1 month
+1.9%S&P +2.5%
3 months
+32.0%S&P +6.3%
6 months
+10.2%S&P +6.3%
May 8, 2025 Sale Rep. Rob Bresnahan House
1 week
+4.5%S&P +5.3%
1 month
+1.7%S&P +6.9%
3 months
−18.8%S&P +13.0%
6 months
+8.0%S&P +19.6%
Mar 27, 2025 Buy Rep. Rob Bresnahan House
1 week
−10.3%S&P −9.1%
1 month
−5.9%S&P −0.2%
3 months
−3.6%S&P +11.5%
6 months
−20.1%S&P +20.1%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for WAT

65 held · newest 565 held · newest 2
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See all 65 filings for WAT

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Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal
No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters
NoneQ4 2025
NoneQ1 2026
NoneQ2 2026
$80KQ3 2026
The first quarter on file. Reported to the Senate each quarter by the firms it hires.Original report ↗

Read from LDA.gov on Oct 20, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.