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Who

Claire Fraser

Director

Company insider

Files Form 4 as: Director, Seres Therapeutics; Director, Waters; Director, Becton, Dickinson and.

In numbers

Trades disclosed
40
Buys
0
Sells
9
Bought
$0
Sold
$1.9M
Companies
3
Companies where not an officer
3
First trade
30 Jan 2007
Last trade
8 Jul 2026
Last filed
10 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
MCRB Seres TherapeuticsDirector · Biotechnology · last 8 Jul 20260 buys · 0 sells
WAT WatersDirector · Life-science tools · last 25 Feb 20260 buys · 0 sells
BDX Becton, Dickinson andDirector · Medical Devices · last 10 Sep 20250 buys · 9 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
8 Jul 2026filed 10 Jul 2026MCRB Seres Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—6,500 at $0.00filing
8 Jul 2026filed 10 Jul 2026MCRB Seres Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—6,500 at $0.00filing
25 Feb 2026filed 27 Feb 2026WAT WatersLife-science toolsSEC FORM 4 Code A—358 at $0.00filing
25 Feb 2026filed 27 Feb 2026WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code A—877 at $0.00filing
25 Feb 2026filed 27 Feb 2026WAT Watersoption or derivative · Life-science toolsSEC FORM 4 Code A—877 at $0.00filing
25 Feb 2026filed 27 Feb 2026WAT WatersLife-science toolsSEC FORM 4 Code A—358 at $0.00filing
10 Sep 2025filed 11 Sep 2025BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Sold$172K917 at $187.50filing
8 Aug 2025filed 8 Aug 2025BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Sold$166K863 at $192.30filing
1 Jul 2025filed 2 Jul 2025MCRB Seres Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—6,452 at $0.00filing
10 Apr 2025filed 11 Apr 2025MCRB Seres Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—100,000 at $0.00filing
28 Jan 2025filed 30 Jan 2025BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Code A—930 at $0.00filing
4 Apr 2024filed 8 Apr 2024MCRB Seres Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—60,000 at $0.00filing
23 Jan 2024filed 25 Jan 2024BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Code A—900 at $0.00filing
28 Aug 2023filed 30 Aug 2023BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Sold$239K848 at $281.66filing
22 Jun 2023filed 23 Jun 2023MCRB Seres Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,000 at $0.00filing
26 Jan 2023filed 26 Jan 2023BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Code A—848 at $0.00filing
4 Jan 2023filed 5 Jan 2023MCRB Seres Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—48,000 at $0.00filing
8 Feb 2022filed 10 Feb 2022BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Sold$228K841 at $271.70filing
25 Jan 2022filed 27 Jan 2022BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Code A—820 at $0.00filing
18 Aug 2021filed 18 Aug 2021BDX Becton, Dickinson andMedical DevicesSEC FORM 4 Sold$97K387 at $251.58filing

News

Sectors

Health Care9

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

Related people

Heather KnightDirector · Director at Waters Corp /de/, filing Form 4 there in the last year
Wei JiangDirector · Director at Waters Corp /de/, filing Form 4 there in the last year
Thomas DesRosierOfficer · Officer at Seres Therapeutics, filing Form 4 there in the last year
Matthew R. HennOfficer · Officer at Seres Therapeutics, filing Form 4 there in the last year
Kelly BradyOfficer · Officer at Seres Therapeutics, filing Form 4 there in the last year
Michael FeldEVP, Chief Revenue Officer · Also traded BDX in the last 90 days
Thomas E. Polen Jr.Chairman, CEO and President · Also traded BDX in the last 90 days
Roland GoetteEVP and President, EMEA · Also traded BDX in the last 90 days