SEC Form 4 reporting owner

Casper Marc N

Casper Marc N has filed 127 Form 4 transactions reported between February 25, 2026 and August 28, 2026, as Chairman & CEO of THERMO FISHER SCIENTIFIC INC..

Name as filed: CASPER MARC N

Open-market buys, 24 mo
None
reported
Open-market sales, 24 mo
$39.3M
111 lines
Companies
1
with Form 4 filings
Latest transaction
Aug 28, 2026
transaction date

Roles and reported holdings

  • TMOTHERMO FISHER SCIENTIFIC INC.
    Feb 25, 2026 – Aug 28, 2026

    Chairman & CEO

    Held directly122,669 sh as of Aug 28, 2026 · Form 4
    Held indirectly (latest line)0 sh as of Aug 7, 2026 · Form 4

    24 months: $39.3M sold

Transaction history

All 127 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

DateCompanyTypeSharesValueFiling
Aug 28, 2026TMOChairman & CEOShares withheld for tax or exercise priceCode F · direct532$331K@ $622.18Form 4
Aug 28, 2026TMOChairman & CEOShares withheld for tax or exercise priceCode F · direct725$451K@ $622.18Form 4
Aug 24, 2026TMOChairman & CEOOpen-market saleCode S · direct62$39K@ $628.74Form 4
Aug 24, 2026TMOChairman & CEOOpen-market saleCode S · direct79$50K@ $628.01Form 4
Aug 24, 2026TMOChairman & CEOOpen-market saleCode S · direct33$21K@ $626.59Form 4
Aug 24, 2026TMOChairman & CEOOpen-market saleCode S · direct101$63K@ $625.41Form 4
Aug 24, 2026TMOChairman & CEOOption exerciseCode M · direct275$85K@ $309.63Form 4
Aug 21, 2026TMOChairman & CEOOpen-market saleCode S · direct321$202K@ $629.10Form 4
Aug 21, 2026TMOChairman & CEOOpen-market saleCode S · direct2,147$1.3M@ $628.61Form 4
Aug 21, 2026TMOChairman & CEOOpen-market saleCode S · direct1,791$1.1M@ $627.39Form 4
Aug 21, 2026TMOChairman & CEOOpen-market saleCode S · direct3,014$1.9M@ $626.51Form 4
Aug 21, 2026TMOChairman & CEOOpen-market saleCode S · direct2,727$1.7M@ $625.46Form 4
Aug 21, 2026TMOChairman & CEOOption exerciseCode M · direct10,000$3.1M@ $309.63Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct80$51K@ $633.99Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct560$354K@ $632.94Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct1,430$904K@ $632.01Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct1,035$653K@ $630.87Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct1,250$787K@ $629.85Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct2,601$1.6M@ $628.82Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct1,314$825K@ $627.66Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct821$515K@ $626.83Form 4
Aug 20, 2026TMOChairman & CEOOpen-market saleCode S · direct909$569K@ $625.45Form 4
Aug 20, 2026TMOChairman & CEOOption exerciseCode M · direct10,000$3.1M@ $309.63Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect117$69K@ $593.31Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect495$292K@ $590.78Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect522$308K@ $589.52Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect228$134K@ $587.64Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect945$554K@ $586.52Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect530$310K@ $585.44Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect1,035$605K@ $584.41Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect302$176K@ $583.35Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect113$66K@ $580.71Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect114$66K@ $579.26Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · indirect94$54K@ $577.37Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct7$4K@ $593.32Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct29$17K@ $590.77Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct32$19K@ $589.51Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct12$7K@ $587.64Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct58$34K@ $586.53Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct30$18K@ $585.42Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct63$37K@ $584.40Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct18$11K@ $583.37Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct5$3K@ $581.85Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct3$2K@ $580.72Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct2$1K@ $579.27Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct4$2K@ $579.26Form 4
Aug 7, 2026TMOChairman & CEOOpen-market saleCode S · direct6$3K@ $577.37Form 4
Aug 7, 2026TMOChairman & CEOOption exerciseCode M · direct275$85K@ $309.63Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect127$74K@ $580.01Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect119$69K@ $578.93Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect361$209K@ $577.57Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect225$130K@ $576.09Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect1,060$610K@ $575.41Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect1,008$579K@ $574.28Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect1,200$688K@ $573.34Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect660$378K@ $572.33Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · indirect240$137K@ $571.00Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · direct311$180K@ $579.90Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · direct321$186K@ $578.67Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · direct451$260K@ $577.43Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · direct2,164$1.2M@ $575.46Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · direct1,617$929K@ $574.40Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · direct2,545$1.5M@ $573.53Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · direct1,631$934K@ $572.43Form 4
Aug 6, 2026TMOChairman & CEOOpen-market saleCode S · direct480$274K@ $571.05Form 4
Aug 6, 2026TMOChairman & CEOOption exerciseCode M · direct10,000$3.1M@ $309.63Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect37$21K@ $577.56Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect1,289$744K@ $576.83Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect1,464$843K@ $576.05Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect1,113$640K@ $574.98Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect590$339K@ $574.03Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect216$124K@ $573.08Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect68$39K@ $571.50Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect40$23K@ $569.69Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect38$22K@ $569.13Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect66$37K@ $567.94Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · indirect79$45K@ $566.26Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct75$43K@ $577.56Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct2,575$1.5M@ $576.82Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct2,930$1.7M@ $576.05Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct2,223$1.3M@ $574.98Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct1,186$681K@ $574.03Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct431$247K@ $573.08Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct135$77K@ $571.49Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct53$30K@ $569.76Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct105$60K@ $569.24Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct130$74K@ $567.92Form 4
Aug 5, 2026TMOChairman & CEOOpen-market saleCode S · direct157$89K@ $566.25Form 4
Aug 5, 2026TMOChairman & CEOOption exerciseCode M · direct10,000$3.1M@ $309.63Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct264$137K@ $519.74Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct516$268K@ $519.13Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct106$55K@ $517.83Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct201$104K@ $516.73Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct348$179K@ $515.64Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct570$293K@ $514.71Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct1,133$582K@ $513.71Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct411$211K@ $512.73Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct214$110K@ $511.78Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct99$50K@ $509.66Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct58$29K@ $507.54Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct60$30K@ $505.76Form 4
Mar 5, 2026TMOChairman & CEOOpen-market saleCode S · direct20$10K@ $503.66Form 4
Mar 5, 2026TMOChairman & CEOOption exerciseCode M · direct4,000$1.2M@ $309.63Form 4
Mar 4, 2026TMOChairman & CEOOpen-market saleCode S · direct118$61K@ $516.75Form 4
Mar 4, 2026TMOChairman & CEOOpen-market saleCode S · direct119$61K@ $515.77Form 4
Mar 4, 2026TMOChairman & CEOOpen-market saleCode S · direct212$109K@ $514.86Form 4
Mar 4, 2026TMOChairman & CEOOpen-market saleCode S · direct815$419K@ $513.63Form 4
Mar 4, 2026TMOChairman & CEOOpen-market saleCode S · direct1,241$637K@ $512.92Form 4
Mar 4, 2026TMOChairman & CEOOpen-market saleCode S · direct1,370$701K@ $511.80Form 4
Mar 4, 2026TMOChairman & CEOOpen-market saleCode S · direct678$346K@ $510.71Form 4
Mar 4, 2026TMOChairman & CEOOpen-market saleCode S · direct447$228K@ $509.89Form 4
Mar 4, 2026TMOChairman & CEOOption exerciseCode M · direct5,000$1.5M@ $309.63Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct759$386K@ $508.95Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct931$473K@ $507.90Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct448$227K@ $506.74Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct120$60K@ $502.59Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct382$191K@ $500.55Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct240$120K@ $499.75Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct680$339K@ $498.14Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct480$238K@ $496.84Form 4
Mar 3, 2026TMOChairman & CEOOpen-market saleCode S · direct360$178K@ $495.29Form 4
Mar 3, 2026TMOChairman & CEOOption exerciseCode M · direct5,000$1.5M@ $309.63Form 4
Feb 28, 2026TMOChairman & CEOShares withheld for tax or exercise priceCode F · direct1,211$631K@ $521.11Form 4
Feb 28, 2026TMOChairman & CEOShares withheld for tax or exercise priceCode F · direct3,474$1.8M@ $521.11Form 4
Feb 25, 2026TMOChairman & CEOGrant or awardCode A · direct32,109—Form 4
Feb 25, 2026TMOChairman & CEOGrant or awardCode A · direct7,333—Form 4
Feb 25, 2026TMOChairman & CEOGrant or awardCode A · direct7,515—Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.