What the executives and directors of Waters Corporation actually did with their own shares, decoded from three years of SEC Form 4 filings.
The tape: three years of insider trades
Every marker sits at the exact price reported on the Form 4. The line is the monthly median of all prices insiders reported, so the chart needs no market feed; the gray strip is routine flow (vestings, tax withholding, gifts) that headlines love to miscount as selling.
Where the shares went, last 12 months
Every Form 4 movement decomposed: what flowed in (grants, vested equity, purchases) and what flowed out (tax withholding, plan sales, discretionary sales, gifts). Counted in shares, because grants carry no price.
Skin in the game
Directly held shares as reported after each trade, indexed to 100 five years back. Direct holdings only: trust and family-entity positions are per-entity in the filings and do not sum honestly, so this chart refuses to guess. The steps are the trades.
Who holds what
| Insider | Role | Shares held | Buys 12 m | Sales 12 m |
|---|---|---|---|---|
| Batra Udit President and CEO | CEO | 33.1K | — | — |
| KUEBLER CHRISTOPHER A | Director | 17.8K | — | — |
| Chaubal Amol SVP & Chief Financial Officer | CFO | 7,623 | — | — |
| Bennett Jianqing SVP Waters Adv. Diagnostics | Officer | 6,532 | — | — |
| Ornskov Flemming | Director | 5,271 | — | — |
| Vergnano Mark | Director | 4,540 | — | — |
| Pratt Jonathan M SVP Waters Division | Officer | 3,887 | — | — |
| Jiang Wei | Director | 3,573 | $145K | — |
| Carpio Robert L III SVP Waters Analytical Sciences | Officer | 3,426 | — | — |
| FEARON RICHARD H | Director | 3,302 | $306K | — |
| Huang Pearl S | Director | 3,276 | — | — |
| BADDOUR LINDA | Director | 2,899 | — | — |
| Brennan Daniel J. | Director | 1,355 | — | — |
| Knight Heather | Director | 1,281 | — | — |
Open-market trade log
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 2026-03-16 | Jiang Wei (Director) | Open-market buy | 500 | $289.46 | $145K |
| 2026-03-06 | FEARON RICHARD H (Director) | Open-market buy | 1,000 | $306.34 | $306K |
| 2024-05-28 | FEARON RICHARD H (Director) | Open-market buy | 1,000 | $332.90 | $333K |
| 2024-05-15 | KUEBLER CHRISTOPHER A (Director) | Discretionary sale | 4,000 | $361.64 | $1.4M |
| 2024-03-13 | BADDOUR LINDA (Director) | Discretionary sale | 500 | $355.54 | $178K |
| 2023-08-04 | KUEBLER CHRISTOPHER A (Director) | Discretionary sale | 4,000 | $291.48 | $1.2M |
| 2023-02-28 | VERGNANO MARK P (Director) | Open-market buy | 3,185 | $313.32 | $998K |
| 2022-11-30 | CONARD EDWARD (Director) | Discretionary sale | 1,059 | $334.70 | $354K |
| 2022-05-19 | KUEBLER CHRISTOPHER A (Director) | Discretionary sale | 4,000 | $328.78 | $1.3M |
| 2022-05-05 | Hendrickson Gary E (Director) | Discretionary sale | 523 | $335.19 | $175K |
| 2022-05-05 | Hendrickson Gary E (Director) | Discretionary sale | 1,237 | $335.96 | $416K |
| 2022-05-05 | Hendrickson Gary E (Director) | Discretionary sale | 1,249 | $337.50 | $422K |
| 2022-05-05 | Hendrickson Gary E (Director) | Discretionary sale | 1,352 | $335.53 | $454K |
| 2022-05-05 | Hendrickson Gary E (Director) | Discretionary sale | 1,601 | $334.51 | $536K |
| 2021-12-02 | CONARD EDWARD (Director) | Discretionary sale | 4,000 | $336.01 | $1.3M |
| 2021-08-18 | KUEBLER CHRISTOPHER A (Director) | Discretionary sale | 3,000 | $405.62 | $1.2M |
| 2021-08-16 | BADDOUR LINDA (Director) | Discretionary sale | 1,260 | $408.99 | $515K |
| 2021-08-13 | BERENDT MICHAEL J (Director) | Discretionary sale | 806 | $403.12 | $325K |
| 2021-08-12 | BERENDT MICHAEL J (Director) | Discretionary sale | 4,000 | $398.43 | $1.6M |
| 2021-08-05 | SALICE THOMAS P (Director) | Discretionary sale | 3,500 | $395.00 | $1.4M |
| 2021-08-05 | SALICE THOMAS P (Director) | Discretionary sale | 5,000 | $395.00 | $2M |
| 2021-05-24 | BERENDT MICHAEL J (Director) | Discretionary sale | 1,161 | $318.24 | $369K |
| 2021-05-13 | BADDOUR LINDA (Director) | Discretionary sale | 1,249 | $314.99 | $393K |
| 2021-03-05 | REED JOANN A (Director) | Discretionary sale | 1,600 | $263.31 | $421K |
| 2021-02-09 | REED JOANN A (Director) | Discretionary sale | 1,407 | $282.30 | $397K |
| 2021-02-09 | REED JOANN A (Director) | Discretionary sale | 1,614 | $282.51 | $456K |
| 2021-02-09 | REED JOANN A (Director) | Discretionary sale | 1,738 | $282.36 | $491K |
| 2020-12-04 | CONARD EDWARD (Director) | Discretionary sale | 1,322 | $236.59 | $313K |
| 2020-11-12 | Carson Robert G (Officer) | Discretionary sale | 2,277 | $227.95 | $519K |
| 2020-11-09 | BERENDT MICHAEL J (Director) | Discretionary sale | 4,000 | $230.10 | $920K |
| 2020-10-30 | Buck Sherry (CFO) | Discretionary sale | 17.5K | $221.62 | $3.9M |
| 2020-08-24 | Harrington Michael C (Officer) | Discretionary sale | 5,254 | $215.88 | $1.1M |
| 2020-08-24 | Harrington Michael C (Officer) | Discretionary sale | 5,600 | $215.91 | $1.2M |
| 2020-08-24 | Harrington Michael C (Officer) | Discretionary sale | 13.5K | $215.64 | $2.9M |
| 2020-08-20 | Rae Elizabeth B (Officer) | Discretionary sale | 6,380 | $213.50 | $1.4M |
| 2020-08-19 | King Ian (Officer) | Discretionary sale | 12K | $218.44 | $2.6M |
| 2020-08-05 | Aleman Keeley A (Officer) | Discretionary sale | 150 | $210.47 | $32K |
| 2020-07-31 | OConnell Christopher J (CEO) | Discretionary sale | 30K | $213.30 | $6.4M |
| 2020-05-18 | Rae Elizabeth B (Officer) | Discretionary sale | 5,000 | $183.53 | $918K |
| 2020-02-26 | Kim Francis (Officer) | Discretionary sale | 1,471 | $207.33 | $305K |
| 2020-02-21 | Aleman Keeley A (Officer) | Discretionary sale | 36 | $216.75 | $8K |
| 2020-02-21 | Aleman Keeley A (Officer) | Discretionary sale | 115 | $216.79 | $25K |
| 2020-02-06 | Kim Francis (Officer) | Discretionary sale | 912 | $220.15 | $201K |
| 2020-02-06 | Kim Francis (Officer) | Discretionary sale | 1,472 | $220.13 | $324K |
| 2020-02-06 | Kim Francis (Officer) | Discretionary sale | 1,827 | $220.01 | $402K |
| 2020-02-06 | Kim Francis (Officer) | Discretionary sale | 2,277 | $220.03 | $501K |
| 2020-01-02 | BERENDT MICHAEL J (Director) | Discretionary sale | 4,000 | $234.93 | $940K |
| 2020-01-02 | REED JOANN A (Director) | Discretionary sale | 5,194 | $234.67 | $1.2M |
| 2019-11-26 | CONARD EDWARD (Director) | Discretionary sale | 1,112 | $221.97 | $247K |
| 2019-11-15 | BEAUDOUIN MARK T (Officer) | Discretionary sale | 762 | $215.00 | $164K |
| 2019-11-15 | BEAUDOUIN MARK T (Officer) | Discretionary sale | 2,413 | $215.00 | $519K |
| 2019-11-13 | BEAUDOUIN MARK T (Officer) | Discretionary sale | 825 | $215.00 | $177K |
| 2019-11-13 | King Ian (Officer) | Discretionary sale | 20.6K | $213.39 | $4.4M |
| 2019-11-13 | Harrington Michael C (Officer) | Discretionary sale | 7,871 | $213.27 | $1.7M |
| 2019-11-13 | Harrington Michael C (Officer) | Discretionary sale | 15.8K | $213.32 | $3.4M |
| 2019-11-12 | King Ian (Officer) | Discretionary sale | 2,375 | $213.19 | $506K |
| 2019-11-07 | Rae Elizabeth B (Officer) | Discretionary sale | 2,674 | $214.26 | $573K |
| 2019-11-07 | Rae Elizabeth B (Officer) | Discretionary sale | 7,514 | $214.04 | $1.6M |
| 2019-11-07 | Rae Elizabeth B (Officer) | Discretionary sale | 19.1K | $212.60 | $4.1M |
| 2019-11-01 | SALICE THOMAS P (Director) | Discretionary sale | 2,000 | $214.75 | $430K |
“Since trade” compares with the latest insider-implied price, not a market quote; this site carries no market data by design.
Filing hygiene
How to read this
A Form 4 transaction code decides everything. P is an open-market purchase and S an open-market sale; those two are the only codes where an insider chose to trade. A is a grant, M an option exercise or vesting, F shares withheld to cover tax, G a gift. Most “insiders dumped billions” headlines are code F and M mechanics.
Sales flagged 10b5-1 run on a plan the insider adopted in advance; since 2023 every Form 4 carries that flag. Buys have historically predicted returns, sales mostly have not, and this page states filings, not advice.