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Marc N Casper Insider Trading Activity

Every SEC Form 4 transaction reported by Marc N Casper, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · Insider-trading data from SEC EDGAR
Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

Quick Answer

Is Marc N Casper buying or selling?

Marc N Casper reported 1 open-market buys ($439.1K) and 72 sells ($659.2M) across 73 Form 4 filings at 2 companies — a net selling position of $658.7M.

Source: SEC EDGAR Form 4

What stands out

  • Marc N Casper has reported Form 4 transactions at 2 companies; the most active, THERMO FISHER SCIENTIFIC INC. (TMO), accounts for 72 of 73 filings (99%).
  • The most recent Form 4 was accepted on Aug 26, 2026 (53 days ago).
  • In the last 12 months: no open-market purchases and 8 sales ($53.9M).
  • The largest open-market sale in the last 12 months was $13.9M of THERMO FISHER SCIENTIFIC INC. (TMO) on Oct 28, 2025. SEC ↗

Key Statistics (as of Aug 26, 2026)

Total Form 4 filings
73
SEC EDGAR
Companies
2
Buys (1)
$439.1K
Sells (72)
$659.2M

Insider sentiment

Net selling

Net insider flow of $658.7M in net selling, filed between Mar 23, 2018 – Aug 26, 2026.

Companies Marc N Casper files for

#CompanyForm 4 filings
1TMOTHERMO FISHER SCIENTIFIC INC.72
2SNPSSYNOPSYS INC1

Recent Marc N Casper transactions

DateTickerRoleTypeSharesValueFiling
Aug 26, 2026TMOChairman & CEOSale275$172.4KSEC ↗
Aug 24, 2026TMOChairman & CEOSale20.0K$12.6MSEC ↗
Aug 10, 2026TMOChairman & CEOSale4.9K$2.9MSEC ↗
Aug 7, 2026TMOChairman & CEOSale15.0K$8.6MSEC ↗
Aug 7, 2026TMOChairman & CEOSale15.0K$8.6MSEC ↗
Mar 9, 2026TMOChairman & CEOSale4.0K$2.1MSEC ↗
Mar 5, 2026TMOChairman & CEOSale10.0K$5.1MSEC ↗
Oct 28, 2025TMOChairman & CEOSale24.4K$13.9MSEC ↗
Sep 9, 2025TMOChairman & CEOSale400$200.2KSEC ↗
Aug 26, 2025TMOChairman & CEOSale10.0K$5.0MSEC ↗
Aug 21, 2025TMOChairman & CEOSale496$248.0KSEC ↗
Aug 7, 2025TMOChairman & CEOSale18.0K$8.2MSEC ↗
Mar 6, 2025TMOChairman & CEOSale18.0K$9.3MSEC ↗
Dec 4, 2024TMOChairman & CEOSale20.0K$10.6MSEC ↗
Nov 12, 2024TMOChairman & CEOSale9.0K$5.0MSEC ↗
Nov 8, 2024TMOChairman & CEOSale20.0K$11.2MSEC ↗
Nov 4, 2024TMOChairman & CEOSale5.8K$3.3MSEC ↗
Nov 1, 2024TMOChairman & CEOSale20.0K$11.0MSEC ↗
Oct 30, 2024TMOChairman & CEOSale20.0K$11.0MSEC ↗
Sep 5, 2024TMOChairman & CEOSale20.0K$12.2MSEC ↗
Aug 1, 2024TMOChairman & CEOSale10.0K$6.2MSEC ↗
Jul 31, 2024TMOChairman & CEOSale16.3K$9.9MSEC ↗
Jun 5, 2024TMOChairman & CEOSale20.0K$11.4MSEC ↗
May 2, 2024TMOChairman & CEOSale10.0K$5.7MSEC ↗
May 1, 2024TMOChairman & CEOSale20.0K$11.5MSEC ↗

Showing the 25 most recent filings of 73. Screen every filing.

Marc N Casper insider trading FAQ

Is Marc N Casper buying or selling?

Across 73 SEC Form 4 filings, Marc N Casper reported 1 open-market purchases totaling $439.1K and 72 sales totaling $659.2M — a net selling position of $658.7M.

Which companies does Marc N Casper file Form 4s for?

Marc N Casper has reported insider transactions at 2 companies, most often THERMO FISHER SCIENTIFIC INC. (TMO), SYNOPSYS INC (SNPS).

How far back does Marc N Casper's filing history go?

Trabud holds Marc N Casper's SEC Form 4 filings from Mar 23, 2018 – Aug 26, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Marc N Casper's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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