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Who

Marc N. Casper

Chairman & CEO

Company insider

Files Form 4 as: Chairman & CEO, Thermo Fisher Scientific; Director, Synopsys; Director, U.S. Bancorp; Director, Zimmer Biomet Holdings; Director, Advisory Board Co.

In numbers

Trades disclosed
1,674
Buys
2
Sells
158
Bought
$665K
Sold
$840.9M
Companies
5
Companies where not an officer
4
First trade
26 Feb 2006
Last trade
28 Aug 2026
Last filed
1 Sep 2026

Companies traded

Where they are an officer
TMO Thermo Fisher ScientificDirector, Officer · Life-science tools · last 28 Aug 20261 buy · 158 sells
Everywhere else they filed: board seats, 10% stakes, other companies
SNPS SynopsysDirector · Software · last 10 Apr 20241 buy · 0 sells
USB U.S. BancorpDirector · Money-centre banks · last 23 Dec 20200 buys · 0 sells
ZBH Zimmer Biomet HoldingsDirector · Medical Devices · last 31 Mar 20130 buys · 0 sells
Advisory Board CoDirector · last 20 May 20080 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
60Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
28 Aug 2026filed 1 Sep 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Code F$451K724.766 at $622.18filing
28 Aug 2026filed 1 Sep 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Code F$331K531.851 at $622.18filing
28 Aug 2026filed 1 Sep 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Code F$451K724.77 at $622.18filing
28 Aug 2026filed 1 Sep 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Code F$331K531.85 at $622.18filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Code M$85K275 at $309.63filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$63K101 at $625.41filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$21K33 at $626.59filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher Scientificoption or derivative · Life-science toolsSEC FORM 4 Code M—275 at $0.00filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$50K79 at $628.01filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$39K62 at $628.74filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher Scientificoption or derivative · Life-science toolsSEC FORM 4 Code M—275 at $0.00filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Code M$85K275 at $309.63filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$63K101 at $625.41filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$21K33 at $626.59filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$50K79 at $628.01filing
24 Aug 2026filed 26 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$39K62 at $628.74filing
21 Aug 2026filed 24 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Code M$3.1M10,000 at $309.63filing
21 Aug 2026filed 24 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$1.7M2,727 at $625.46filing
21 Aug 2026filed 24 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$1.9M3,014 at $626.51filing
21 Aug 2026filed 24 Aug 2026TMO Thermo Fisher ScientificLife-science toolsSEC FORM 4 Sold$1.1M1,791 at $627.39filing

The newest 500 lines are listed; the numbers count every line.

News

Sectors

Health Care159
Technology1

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

Related people

Jennifer M. JohnsonChief Executive Officer · Director at Thermo Fisher Scientific, filing Form 4 there in the last year
Scott M. SperlingDirector · Director at Thermo Fisher Scientific, filing Form 4 there in the last year
Karen S. LynchDirector · Director at Thermo Fisher Scientific, filing Form 4 there in the last year
Dion J. WeislerDirector · Director at Thermo Fisher Scientific, filing Form 4 there in the last year
R. Alexandra KeithDirector · Director at Thermo Fisher Scientific, filing Form 4 there in the last year
Sassine GhaziPresident and CEO · Also traded SNPS in the last 90 days
Janet LeeGC & Corporate Secretary · Also traded SNPS in the last 90 days
Sudhindra KankanwadiDeputy CFO & CAO · Also traded SNPS in the last 90 days