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Who

Christine A. Tsingos

Director

Company insider

Files Form 4 as: Director, Envista Holdings; Director, Varex Imaging; Director, Onto Innovation; Director, Telesis Bio; EVP and CFO, Bio-Rad Laboratories.

In numbers

Trades disclosed
243
Buys
0
Sells
22
Bought
$0
Sold
$6.7M
Companies
5
Companies where not an officer
4
First trade
3 Apr 2006
Last trade
19 May 2026
Last filed
21 May 2026

Companies traded

Where they are an officer
BIO Bio-Rad LaboratoriesOfficer · Life-science tools · last 14 Dec 20180 buys · 22 sells
Everywhere else they filed: board seats, 10% stakes, other companies
NVST Envista HoldingsDirector · Medical Devices · last 19 May 20260 buys · 0 sells
VREX Varex ImagingDirector · Electronic Components & EMS · last 12 Feb 20260 buys · 0 sells
ONTO Onto InnovationDirector · Life-science tools · last 22 May 20240 buys · 0 sells
Telesis BioDirector · last 1 May 20240 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
19 May 2026filed 21 May 2026NVST Envista HoldingsMedical DevicesSEC FORM 4 Code A—9,330 at $0.00filing
19 May 2026filed 21 May 2026NVST Envista HoldingsMedical DevicesSEC FORM 4 Code A—9,330 at $0.00filing
12 Feb 2026filed 13 Feb 2026VREX Varex Imagingoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—12,331 at $0.00filing
12 Feb 2026filed 13 Feb 2026VREX Varex Imagingoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—12,331 at $0.00filing
9 Feb 2026filed 9 Feb 2026VREX Varex ImagingElectronic Components & EMSSEC FORM 4 Code M—8,483filing
9 Feb 2026filed 9 Feb 2026VREX Varex Imagingoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—8,483 at $0.00filing
9 Feb 2026filed 9 Feb 2026VREX Varex Imagingoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—8,483 at $0.00filing
9 Feb 2026filed 9 Feb 2026VREX Varex ImagingElectronic Components & EMSSEC FORM 4 Code M—8,483filing
10 Jun 2025filed 12 Jun 2025NVST Envista HoldingsMedical DevicesSEC FORM 4 Code A—10,450 at $0.00filing
13 Feb 2025filed 14 Feb 2025VREX Varex Imagingoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—12,123 at $0.00filing
13 Feb 2025filed 14 Feb 2025VREX Varex Imagingoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—6,573 at $0.00filing
13 Feb 2025filed 14 Feb 2025VREX Varex ImagingElectronic Components & EMSSEC FORM 4 Code M—6,573filing
22 May 2024filed 23 May 2024ONTO Onto InnovationLife-science toolsSEC FORM 4 Code A—809 at $0.00filing
21 May 2024filed 23 May 2024NVST Envista HoldingsMedical DevicesSEC FORM 4 Code A—10,085 at $0.00filing
1 May 2024filed 3 May 2024Telesis Biooption or derivativeSEC FORM 4 Code A—30,362 at $0.00filing
1 May 2024filed 3 May 2024Telesis BioSEC FORM 4 Code A—37,109 at $0.00filing
11 Feb 2024filed 12 Feb 2024VREX Varex Imagingoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—6,881 at $0.00filing
11 Feb 2024filed 12 Feb 2024VREX Varex ImagingElectronic Components & EMSSEC FORM 4 Code M—6,881filing
8 Feb 2024filed 12 Feb 2024VREX Varex Imagingoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—9,643 at $0.00filing
6 Jul 2023filed 3 May 2024Telesis Biooption or derivativeSEC FORM 4 Code A—70,129 at $0.00filing

News

Sectors

Health Care22

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

Related people

Norman D. SchwartzChairman & CEO · Chairman & CEO at Bio-Rad Laboratories, filing Form 4 there in the last year
Courtney C. EnloeEVP, General Counsel & Sec · EVP, General Counsel & Sec at Bio-Rad Laboratories, filing Form 4 there in the last year
James BarryEVP, President, LSG · EVP, President, LSG at Bio-Rad Laboratories, filing Form 4 there in the last year
Eva Anette EngelhardtEVP, President, CDG · EVP, President, CDG at Bio-Rad Laboratories, filing Form 4 there in the last year
Rajat MehtaEVP, GBL Commercial Operations · EVP, GBL Commercial Operations at Bio-Rad Laboratories, filing Form 4 there in the last year