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Who

Christopher A. Kuebler

Director

Company insider

Files Form 4 as: Director, Waters; Director, Nektar Therapeutics; Chairman, Covance.

In numbers

Trades disclosed
173
Buys
0
Sells
21
Bought
$0
Sold
$19.9M
Companies
3
Companies where not an officer
2
First trade
30 Dec 2005
Last trade
6 Aug 2026
Last filed
7 Aug 2026

Companies traded

Where they are an officer
CovanceDirector, Officer · last 30 Dec 20050 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
WAT WatersDirector · Life-science tools · last 6 Aug 20260 buys · 11 sells
NKTR Nektar TherapeuticsDirector · Biotechnology · last 27 Sep 20180 buys · 10 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
6 Aug 2026filed 7 Aug 2026WAT WatersLife-science toolsSEC FORM 4 Code M$495K3,626 at $136.43filing
6 Aug 2026filed 7 Aug 2026WAT WatersLife-science toolsSEC FORM 4 Sold$1.4M3,626 at $397.94filing
6 Aug 2026filed 7 Aug 2026WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code M—3,626 at $0.00filing
6 Aug 2026filed 7 Aug 2026WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code M—3,626 at $0.00filing
6 Aug 2026filed 7 Aug 2026WAT WatersLife-science toolsSEC FORM 4 Code M$495K3,626 at $136.43filing
6 Aug 2026filed 7 Aug 2026WAT WatersLife-science toolsSEC FORM 4 Sold$1.4M3,626 at $397.94filing
25 Feb 2026filed 27 Feb 2026WAT WatersLife-science toolsSEC FORM 4 Code A—23 at $0.00filing
25 Feb 2026filed 27 Feb 2026WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code A—57 at $0.00filing
25 Feb 2026filed 27 Feb 2026WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code A—57 at $0.00filing
25 Feb 2026filed 27 Feb 2026WAT WatersLife-science toolsSEC FORM 4 Code A—23 at $0.00filing
2 Jan 2026filed 5 Jan 2026WAT WatersLife-science toolsSEC FORM 4 Code A—307 at $0.00filing
2 Jan 2026filed 5 Jan 2026WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code A—828 at $0.00filing
2 Jan 2026filed 5 Jan 2026WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code A—828 at $0.00filing
2 Jan 2026filed 5 Jan 2026WAT WatersLife-science toolsSEC FORM 4 Code A—307 at $0.00filing
5 Nov 2025filed 7 Nov 2025WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code M—3,761 at $0.00filing
5 Nov 2025filed 7 Nov 2025WAT WatersLife-science toolsSEC FORM 4 Code M$490K3,761 at $130.35filing
5 Nov 2025filed 7 Nov 2025WAT WatersLife-science toolsSEC FORM 4 Code F$490K1,318 at $371.97filing
2 Jan 2025filed 6 Jan 2025WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code A—818 at $0.00filing
2 Jan 2025filed 6 Jan 2025WAT WatersLife-science toolsSEC FORM 4 Code A—319 at $0.00filing
15 May 2024filed 16 May 2024WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code M—4,000 at $0.00filing

Sectors

Health Care21

Buys in green, sells in red, by the company’s sector.

Related people

Howard W. RobinPresident & CEO · Also traded NKTR in the last 90 days
Jonathan ZalevskyChief R&D Officer · Also traded NKTR in the last 90 days
Kevin HernRepresentative, OK-01 · Also traded WAT in the last 90 days