United States Healthcare Equipment & Supplies

Waters Corp (WAT)

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In the last 90 days, Waters Corp. saw two insider buy transactions totaling $451,070. There were no executive transactions. The stock has performed well, with a 24.8% increase over 90 days and is near its 52-week high. The company's last earnings report exceeded expectations.
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Ticker: WAT Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Jiang Wei
1 purchase — total 144,730 USD
Buy 16 Mar 2026
Value US$3,377,807.15 | Price 116.09 | Shares 35,495
Buy 6 Mar 2026
Value US$2,264,938.95 | Price 87.86 | Shares 77,365
Buy 28 May 2024
Value US$332,900.00 | Price 332.90 | Shares 1,000
Sale 15 May 2024
Value US$1,446,560.00 | Price 361.64 | Shares 4,000
Proposed sale 15 May 2024
Value US$1,446,560.00 | Price 361.64 | Shares 4,000
Sale 13 Mar 2024
Value US$177,770.00 | Price 355.54 | Shares 500
Proposed sale 15 Dec 2023
Value US$678,758.05 | Price 320.77 | Shares 2,116
Proposed sale 8 Dec 2023
Value US$632,950.46 | Price 293.30 | Shares 2,158
Proposed sale 15 Nov 2023
Value US$2,335,547.18 | Price 266.68 | Shares 8,758
Sale 4 Aug 2023
Value US$1,165,920.00 | Price 291.48 | Shares 4,000
Proposed sale 4 Aug 2023
Value US$1,165,920.00 | Price 291.48 | Shares 4,000
Buy 28 Feb 2023
Value US$997,927.38 | Price 313.32 | Shares 3,185
Sale 30 Nov 2022
Value US$354,447.30 | Price 334.70 | Shares 1,059
Sale 19 May 2022
Value US$1,315,120.00 | Price 328.78 | Shares 4,000
Sale 2 Dec 2021
Value US$1,344,040.00 | Price 336.01 | Shares 4,000
Sale 16 Aug 2021
Value US$515,327.40 | Price 408.99 | Shares 1,260
Sale 24 May 2021
Value US$369,476.64 | Price 318.24 | Shares 1,161
Sale 13 May 2021
Value US$393,422.51 | Price 314.99 | Shares 1,249
Sale 5 Mar 2021
Value US$421,296.00 | Price 263.31 | Shares 1,600
Sale 9 Feb 2021
Value US$490,741.68 | Price 282.36 | Shares 1,738
Sale 9 Feb 2021
Value US$455,971.14 | Price 282.51 | Shares 1,614
Sale 9 Feb 2021
Value US$397,196.10 | Price 282.30 | Shares 1,407
Sale 4 Dec 2020
Value US$312,771.98 | Price 236.59 | Shares 1,322
Sale 12 Nov 2020
Value US$519,030.76 | Price 227.95 | Shares 2,277
Sale 9 Nov 2020
Value US$920,400.00 | Price 230.10 | Shares 4,000
Sale 30 Oct 2020
Value US$3,878,128.38 | Price 221.62 | Shares 17,499
Sale 24 Aug 2020
Value US$2,916,962.28 | Price 215.64 | Shares 13,527
Sale 24 Aug 2020
Value US$1,134,233.52 | Price 215.88 | Shares 5,254
Sale 24 Aug 2020
Value US$1,209,096.00 | Price 215.91 | Shares 5,600
Sale 20 Aug 2020
Value US$1,362,130.00 | Price 213.50 | Shares 6,380
Sale 19 Aug 2020
Value US$2,621,280.00 | Price 218.44 | Shares 12,000
Sale 5 Aug 2020
Value US$31,570.35 | Price 210.47 | Shares 150
Sale 31 Jul 2020
Value US$6,399,000.00 | Price 213.30 | Shares 30,000
Sale 18 May 2020
Value US$917,650.00 | Price 183.53 | Shares 5,000
Sale 26 Feb 2020
Value US$304,982.43 | Price 207.33 | Shares 1,471
Sale 21 Feb 2020
Value US$7,803.00 | Price 216.75 | Shares 36
Sale 21 Feb 2020
Value US$24,930.85 | Price 216.79 | Shares 115
Sale 6 Feb 2020
Value US$501,008.31 | Price 220.03 | Shares 2,277
Sale 6 Feb 2020
Value US$401,958.27 | Price 220.01 | Shares 1,827
Sale 6 Feb 2020
Value US$324,031.36 | Price 220.13 | Shares 1,472
Sale 6 Feb 2020
Value US$200,776.80 | Price 220.15 | Shares 912
Planned sale 2 Jan 2020
Value US$1,218,875.98 | Price 234.67 | Shares 5,194
Planned sale 2 Jan 2020
Value US$939,720.00 | Price 234.93 | Shares 4,000
Sale 26 Nov 2019
Value US$246,830.64 | Price 221.97 | Shares 1,112
Sale 15 Nov 2019
Value US$163,819.74 | Price 215.00 | Shares 762
Sale 15 Nov 2019
Value US$518,805.26 | Price 215.00 | Shares 2,413
Sale 13 Nov 2019
Value US$177,375.00 | Price 215.00 | Shares 825
Sale 13 Nov 2019
Value US$4,401,168.75 | Price 213.39 | Shares 20,625
Sale 13 Nov 2019
Value US$1,678,648.17 | Price 213.27 | Shares 7,871
Sale 13 Nov 2019
Value US$3,362,136.52 | Price 213.32 | Shares 15,761
Sale 12 Nov 2019
Value US$506,326.25 | Price 213.19 | Shares 2,375
Sale 7 Nov 2019
Value US$572,931.24 | Price 214.26 | Shares 2,674
Sale 7 Nov 2019
Value US$1,608,296.56 | Price 214.04 | Shares 7,514
Sale 7 Nov 2019
Value US$4,068,738.80 | Price 212.60 | Shares 19,138
Sale 1 Nov 2019
Value US$472,208.00 | Price 214.64 | Shares 2,200
Sale 1 Nov 2019
Value US$429,500.00 | Price 214.75 | Shares 2,000
Sale 11 Mar 2019
Value US$14,381.40 | Price 239.69 | Shares 60
Sale 11 Mar 2019
Value US$466,436.74 | Price 239.69 | Shares 1,946
Sale 6 Mar 2019
Value US$657,110.52 | Price 241.23 | Shares 2,724
Sale 26 Feb 2019
Value US$354,454.65 | Price 238.69 | Shares 1,485
Sale 25 Feb 2019
Value US$718,920.00 | Price 239.64 | Shares 3,000
Sale 13 Feb 2019
Value US$5,262,432.00 | Price 234.93 | Shares 22,400
Sale 12 Feb 2019
Value US$2,334,300.00 | Price 233.43 | Shares 10,000
Sale 11 Feb 2019
Value US$304,423.36 | Price 232.03 | Shares 1,312
Sale 5 Feb 2019
Value US$1,579,572.00 | Price 232.29 | Shares 6,800
Sale 5 Feb 2019
Value US$929,760.00 | Price 232.44 | Shares 4,000
Sale 30 Jan 2019
Value US$463,180.00 | Price 231.59 | Shares 2,000
Sale 30 Jan 2019
Value US$4,604,800.00 | Price 230.24 | Shares 20,000
Sale 28 Jan 2019
Value US$5,246,070.00 | Price 228.09 | Shares 23,000
Sale 28 Jan 2019
Value US$673,570.90 | Price 228.95 | Shares 2,942
Sale 25 Jan 2019
Value US$206,694.07 | Price 226.39 | Shares 913
Sale 25 Jan 2019
Value US$6,275,825.28 | Price 225.36 | Shares 27,848
Planned sale 2 Jan 2019
Value US$133,564.20 | Price 188.65 | Shares 708
Planned sale 2 Jan 2019
Value US$646,590.00 | Price 184.74 | Shares 3,500
Sale 14 Dec 2018
Value US$214,358.43 | Price 189.53 | Shares 1,131
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-18 2026-03-16 B Purchase
Jiang Wei
Non-Executive Director
35,495 -14.9%
116.09
US$3,377,807 		35,495 -14.9% 116.09 US$3,377,807
2026-03-10 2026-03-06 B Purchase
2.8
FEARON RICHARD H
Non-Executive Director
77,365 -39.2%
87.86
US$2,264,939 		77,365 -39.2% 87.86 US$2,264,939
2024-05-29 2024-05-28 B Purchase
2.8
FEARON RICHARD H
Non-Executive Director
63,806 +38.2%
283.34
US$1,368,319 		63,806 +38.2% 283.34 US$1,368,319
2024-05-16 2024-05-15 S Sale
3.6
KUEBLER CHRISTOPHER A
Non-Executive Director
4,000 -21.4%
361.64
US$1,446,560 		4,000 -21.4% 361.64 US$1,446,560
2024-05-15 2024-05-15 PrS Proposed sale
3.6
KUEBLER CHRISTOPHER A

Director

Non-Executive Director
4,000
361.64
US$1,446,560 		4,000 361.64 US$1,446,560
2024-03-14 2024-03-13 S Sale
2.5
BADDOUR LINDA
Non-Executive Director
500 -18.2%
355.54
US$177,770 		500 -18.2% 355.54 US$177,770
2023-12-15 2023-12-15 PrS Proposed sale
Pratt Jonathan M

Former Officer

Officer
2,116
320.77
US$678,758 		2,116 320.77 US$678,758
2023-12-08 2023-12-08 PrS Proposed sale
Pratt Jonathan M

Former Officer

Officer
2,158
293.30
US$632,950 		2,158 293.30 US$632,950
2023-11-15 2023-11-15 PrS Proposed sale
Pratt Jonathan M

Former Officer

Officer
8,758
266.68
US$2,335,547 		8,758 266.68 US$2,335,547
2023-08-07 2023-08-04 S Sale
3.6
KUEBLER CHRISTOPHER A
Non-Executive Director
4,000 -21.8%
291.48
US$1,165,920 		4,000 -21.8% 291.48 US$1,165,920
2023-08-04 2023-08-04 PrS Proposed sale
3.6
KUEBLER CHRISTOPHER A

Director

Non-Executive Director
4,000
291.48
US$1,165,920 		4,000 291.48 US$1,165,920
2023-03-01 2023-02-28 B Purchase
2.3
VERGNANO MARK P
Non-Executive Director
3,185 +856.2%
313.32
US$997,927 		3,185 +856.2% 313.32 US$997,927
2022-12-01 2022-11-30 S Sale
2.8
CONARD EDWARD
Non-Executive Director
1,059 -1.4%
334.70
US$354,447 		1,059 -1.4% 334.70 US$354,447
2022-05-23 2022-05-19 S Sale
3.6
KUEBLER CHRISTOPHER A
Non-Executive Director
4,000 -22.1%
328.78
US$1,315,120 		4,000 -22.1% 328.78 US$1,315,120
2021-12-03 2021-12-02 S Sale
2.8
CONARD EDWARD
Non-Executive Director
4,000 -5.3%
336.01
US$1,344,040 		4,000 -5.3% 336.01 US$1,344,040
2021-08-17 2021-08-16 S Sale
2.5
BADDOUR LINDA
Non-Executive Director
1,260 -41.2%
408.99
US$515,327 		1,260 -41.2% 408.99 US$515,327
2021-05-25 2021-05-24 S Sale
1.9
BERENDT MICHAEL J
Non-Executive Director
1,161 -5.2%
318.24
US$369,477 		1,161 -5.2% 318.24 US$369,477
2021-05-14 2021-05-13 S Sale
2.5
BADDOUR LINDA
Non-Executive Director
1,249 -41.0%
314.99
US$393,423 		1,249 -41.0% 314.99 US$393,423
2021-03-08 2021-03-05 S Sale
2.5
REED JOANN A
Non-Executive Director
1,600 -3.9%
263.31
US$421,296 		1,600 -3.9% 263.31 US$421,296
2021-02-10 2021-02-09 S Sale
2.5
REED JOANN A
Non-Executive Director
1,738 -4.2%
282.36
US$490,742 		1,738 -4.2% 282.36 US$490,742
2021-02-10 2021-02-09 S Sale
2.5
REED JOANN A
Non-Executive Director
1,614 -4.1%
282.51
US$455,971 		1,614 -4.1% 282.51 US$455,971
2021-02-10 2021-02-09 S Sale
2.5
REED JOANN A
Non-Executive Director
1,407 -3.8%
282.30
US$397,196 		1,407 -3.8% 282.30 US$397,196
2020-12-07 2020-12-04 S Sale
2.8
CONARD EDWARD
Non-Executive Director
1,322 -1.8%
236.59
US$312,772 		1,322 -1.8% 236.59 US$312,772
2020-11-13 2020-11-12 S Sale
2.1
Carson Robert G

SVP Corporate Development

Officer
2,277 -66.0%
227.95
US$519,031 		2,277 -66.0% 227.95 US$519,031
2020-11-10 2020-11-09 S Sale
1.9
BERENDT MICHAEL J
Non-Executive Director
4,000 -15.4%
230.10
US$920,400 		4,000 -15.4% 230.10 US$920,400
2020-11-02 2020-10-30 S Sale
2.4
Buck Sherry

SVP and CFO

Officer
17,499 -82.5%
221.62
US$3,878,128 		17,499 -82.5% 221.62 US$3,878,128
2020-08-25 2020-08-24 S Sale
2.8
Harrington Michael C

SVP, Global Markets

Officer
13,527 -85.5%
215.64
US$2,916,962 		13,527 -85.5% 215.64 US$2,916,962
2020-08-25 2020-08-24 S Sale
2.8
Harrington Michael C

SVP, Global Markets

Officer
5,254 -69.7%
215.88
US$1,134,234 		5,254 -69.7% 215.88 US$1,134,234
2020-08-25 2020-08-24 S Sale
2.8
Harrington Michael C

SVP, Global Markets

Officer
5,600 -71.0%
215.91
US$1,209,096 		5,600 -71.0% 215.91 US$1,209,096
2020-08-21 2020-08-20 S Sale
2.5
Rae Elizabeth B

SVP, Global HR

Officer
6,380 -48.8%
213.50
US$1,362,130 		6,380 -48.8% 213.50 US$1,362,130
2020-08-20 2020-08-19 S Sale
2.6
King Ian

SVP, Global Products

Officer
12,000 -69.8%
218.44
US$2,621,280 		12,000 -69.8% 218.44 US$2,621,280
2020-08-06 2020-08-05 S Sale
2.9
Aleman Keeley A

SVP General Counsel & Corp Sec

Officer
150 -10.7%
210.47
US$31,570 		150 -10.7% 210.47 US$31,570
2020-08-03 2020-07-31 S Sale
1.0
OConnell Christopher J

CEO and President

Officer
30,000 -52.1%
213.30
US$6,399,000 		30,000 -52.1% 213.30 US$6,399,000
2020-05-19 2020-05-18 S Sale
2.5
Rae Elizabeth B

SVP, Global HR

Officer
5,000 -42.8%
183.53
US$917,650 		5,000 -42.8% 183.53 US$917,650
2020-02-27 2020-02-26 S Sale
3.6
Kim Francis

SVP Global Operations

Officer
1,471 -45.6%
207.33
US$304,982 		1,471 -45.6% 207.33 US$304,982
2020-02-24 2020-02-21 S Sale
2.9
Aleman Keeley A

SVP General Counsel & Corp Sec

Officer
36 -40.0%
216.75
US$7,803 		36 -40.0% 216.75 US$7,803
2020-02-24 2020-02-21 S Sale
2.9
Aleman Keeley A

SVP General Counsel & Corp Sec

Officer
115 -12.5%
216.79
US$24,931 		115 -12.5% 216.79 US$24,931
2020-02-07 2020-02-06 S Sale
3.6
Kim Francis

SVP Global Operations

Officer
2,277 -56.5%
220.03
US$501,008 		2,277 -56.5% 220.03 US$501,008
2020-02-07 2020-02-06 S Sale
3.6
Kim Francis

SVP Global Operations

Officer
1,827 -51.0%
220.01
US$401,958 		1,827 -51.0% 220.01 US$401,958
2020-02-07 2020-02-06 S Sale
3.6
Kim Francis

SVP Global Operations

Officer
1,472 -45.6%
220.13
US$324,031 		1,472 -45.6% 220.13 US$324,031
2020-02-07 2020-02-06 S Sale
3.6
Kim Francis

SVP Global Operations

Officer
912 -34.2%
220.15
US$200,777 		912 -34.2% 220.15 US$200,777
2020-01-03 2020-01-02 PlS Planned sale
2.5
REED JOANN A
Non-Executive Director
5,194 -13.9%
234.67
US$1,218,876 		5,194 -13.9% 234.67 US$1,218,876
2020-01-03 2020-01-02 PlS Planned sale
1.9
BERENDT MICHAEL J
Non-Executive Director
4,000 -15.7%
234.93
US$939,720 		4,000 -15.7% 234.93 US$939,720
2019-11-27 2019-11-26 S Sale
2.8
CONARD EDWARD
1,112 -1.6%
221.97
US$246,831 		1,112 -1.6% 221.97 US$246,831
2019-11-18 2019-11-15 S Sale BEAUDOUIN MARK T

SVP and General Counsel

Officer
762 -15.7%
215.00
US$163,820 		762 -15.7% 215.00 US$163,820
2019-11-18 2019-11-15 S Sale BEAUDOUIN MARK T

SVP and General Counsel

Officer
2,413 -100.0%
215.00
US$518,805 		2,413 -100.0% 215.00 US$518,805
2019-11-14 2019-11-13 S Sale
2.5
BEAUDOUIN MARK T

SVP and General Counsel
825 -25.5%
215.00
US$177,375 		825 -25.5% 215.00 US$177,375
2019-11-14 2019-11-13 S Sale
2.6
King Ian

SVP, Global Products
20,625 -86.2%
213.39
US$4,401,169 		20,625 -86.2% 213.39 US$4,401,169
2019-11-14 2019-11-13 S Sale
2.8
Harrington Michael C

SVP, Global Markets
7,871 -100.0%
213.27
US$1,678,648 		7,871 -100.0% 213.27 US$1,678,648
2019-11-14 2019-11-13 S Sale
2.8
Harrington Michael C

SVP, Global Markets
15,761 -100.0%
213.32
US$3,362,137 		15,761 -100.0% 213.32 US$3,362,137
2019-11-13 2019-11-12 S Sale King Ian

SVP, Global Products

Officer
2,375 -41.9%
213.19
US$506,326 		2,375 -41.9% 213.19 US$506,326
2019-11-08 2019-11-07 S Sale Rae Elizabeth B

SVP, Global HR

Officer
2,674 -35.8%
214.26
US$572,931 		2,674 -35.8% 214.26 US$572,931
2019-11-08 2019-11-07 S Sale Rae Elizabeth B

SVP, Global HR

Officer
7,514 -61.0%
214.04
US$1,608,297 		7,514 -61.0% 214.04 US$1,608,297
2019-11-08 2019-11-07 S Sale Rae Elizabeth B

SVP, Global HR

Officer
19,138 -80.0%
212.60
US$4,068,739 		19,138 -80.0% 212.60 US$4,068,739
2019-11-04 2019-11-01 S Sale GLIMCHER LAURIE H M.D. Non-Executive Director
2,200 -37.9%
214.64
US$472,208 		2,200 -37.9% 214.64 US$472,208
2019-11-04 2019-11-01 S Sale SALICE THOMAS P Non-Executive Director
2,000 -10.0%
214.75
US$429,500 		2,000 -10.0% 214.75 US$429,500
2019-03-12 2019-03-11 S Sale
2.7
Kelly Terrence P

SVP, President TA Instruments

Officer
60 -37.5%
239.69
US$14,381 		60 -37.5% 239.69 US$14,381
2019-03-12 2019-03-11 S Sale
2.7
Kelly Terrence P

SVP, President TA Instruments

Officer
1,946 -100.0%
239.69
US$466,437 		1,946 -100.0% 239.69 US$466,437
2019-03-07 2019-03-06 S Sale
2.1
Carson Robert G

SVP Corporate Development

Officer
2,724 -69.9%
241.23
US$657,111 		2,724 -69.9% 241.23 US$657,111
2019-02-27 2019-02-26 S Sale
2.6
GLIMCHER LAURIE H M.D.
Non-Executive Director
1,485 -20.4%
238.69
US$354,455 		1,485 -20.4% 238.69 US$354,455
2019-02-26 2019-02-25 S Sale
1.9
BERENDT MICHAEL J
Non-Executive Director
3,000 -12.2%
239.64
US$718,920 		3,000 -12.2% 239.64 US$718,920
2019-02-14 2019-02-13 S Sale
2.8
Harrington Michael C

SVP, Global Markets

Officer
22,400 -100.0%
234.93
US$5,262,432 		22,400 -100.0% 234.93 US$5,262,432
2019-02-13 2019-02-12 S Sale
2.3
SILVEIRA MICHAEL F

VP, Corporate Controller

Officer
10,000 -92.6%
233.43
US$2,334,300 		10,000 -92.6% 233.43 US$2,334,300
2019-02-12 2019-02-11 S Sale
2.7
Kelly Terrence P

SVP, President TA Instruments

Officer
1,312 -40.3%
232.03
US$304,423 		1,312 -40.3% 232.03 US$304,423
2019-02-06 2019-02-05 S Sale
2.5
Rae Elizabeth B

SVP, Global HR

Officer
6,800 -58.7%
232.29
US$1,579,572 		6,800 -58.7% 232.29 US$1,579,572
2019-02-06 2019-02-05 S Sale
2.5
Rae Elizabeth B

SVP, Global HR

Officer
4,000 -45.5%
232.44
US$929,760 		4,000 -45.5% 232.44 US$929,760
2019-01-31 2019-01-30 S Sale
2.3
SALICE THOMAS P
Non-Executive Director
2,000 -10.0%
231.59
US$463,180 		2,000 -10.0% 231.59 US$463,180
2019-01-31 2019-01-30 S Sale
2.8
Harrington Michael C

SVP, Global Markets

Officer
20,000 -100.0%
230.24
US$4,604,800 		20,000 -100.0% 230.24 US$4,604,800
2019-01-29 2019-01-28 S Sale
2.6
King Ian

SVP, Global Products

Officer
23,000 -87.5%
228.09
US$5,246,070 		23,000 -87.5% 228.09 US$5,246,070
2019-01-29 2019-01-28 S Sale
2.7
Kelly Terrence P

SVP, President TA Instruments

Officer
2,942 -60.2%
228.95
US$673,571 		2,942 -60.2% 228.95 US$673,571
2019-01-28 2019-01-25 S Sale
3.6
Kim Francis

SVP Global Operations

Officer
913 -32.7%
226.39
US$206,694 		913 -32.7% 226.39 US$206,694
2019-01-28 2019-01-25 S Sale
2.5
BEAUDOUIN MARK T

SVP and General Counsel

Officer
27,848 -85.2%
225.36
US$6,275,825 		27,848 -85.2% 225.36 US$6,275,825
2019-01-04 2019-01-02 PlS Planned sale
2.5
REED JOANN A
Non-Executive Director
708 -3.3%
188.65
US$133,564 		708 -3.3% 188.65 US$133,564
2019-01-04 2019-01-02 PlS Planned sale
1.9
BERENDT MICHAEL J
Non-Executive Director
3,500 -12.8%
184.74
US$646,590 		3,500 -12.8% 184.74 US$646,590
2018-12-17 2018-12-14 S Sale Harrington Michael C

SVP, Global Markets

Officer
1,131 -100.0%
189.53
US$214,358 		1,131 -100.0% 189.53 US$214,358
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