TMO Insider Buying & Government Contracts (2026)

TMO insider buying and selling over the past year

Insiders at THERMO FISHER SCIENTIFIC INC. only sold stock in the open market over the past year: 14 Form 4 sales totaling $96.39M, against no open-market purchases.

Most of the selling was pre-scheduled: 9 of the 14 sales (64.3%) were flagged as Rule 10b5-1 plan trades, which are set up in advance and say less about an insider's current view than discretionary sales. Activity clustered in 2025-11 (5 trades) and 2025-12 (3 trades); the latest filing in this window is dated 2026-03-11. The average open-market sale price was $572.88; the last close of $690.00 is 20.4% above that level, so sellers left upside on the table. The single largest trade was a sale of 62,000 shares worth $36.13M on 2025-12-03. Since the most recent filing the stock has moved +39.2%, from $495.72.

Where TMO trades relative to its one-year range

THERMO FISHER SCIENTIFIC INC. closed at $690.00 on 2026-10-16, inside a one-year range of $438.34 to $696.49. That puts the stock near the top of its range, at 97.5% of the distance from low to high. Over one year the share price moved +28.5%, and over roughly three months +29.6%. Average daily volume over the last month was about 2,406,981 shares.

Across 83 companies in the same SEC industry group (SIC 38) with a full year of prices in Gemral Edge, the median one-year return was +13.2%. TMO is ahead of that median and beat 70% of that peer group on this measure.

Members of Congress who traded TMO

STOCK Act disclosures show 92 trades in TMO by 24 members of Congress over five years (48 purchases, 44 sales), most recently on 2026-07-10. The most active traders were Ro Khanna (D-CA), 46 trades; Lisa C. McClain (R-MI), 6 trades; Kelly Morrison (D-MN), 4 trades; Val T. Hoyle (D-OR), 4 trades; Dan Newhouse (R-WA), 3 trades.

By party the trades split 61 by Democrats, 30 by Republicans, 1 by other members; by chamber, 86 from the House, 6 from the Senate.

TMO lobbying disclosures

THERMO FISHER SCIENTIFIC INC. appears in 8 Lobbying Disclosure Act filings between 2018 and 2018, with $410.0K in reported lobbying spend.

Compare TMO with indexed peers from the same industry group

These peers have full Gemral Edge dossiers and the closest one-year price move to TMO:

• DXCM one-year return +29.7%
• WAT one-year return +30.5%
• BDX one-year return +31.6%
• A one-year return +22.6%
• ROK one-year return +22.5%

Sources and method

Every figure above is computed from public filings stored in Gemral Edge, not estimated. Insider figures count only open-market purchases and sales reported on SEC Form 4; option exercises, grants and gifts are excluded because they do not reflect a decision to buy or sell at market prices.

• SEC EDGAR Form 4 (edge_insider_trades, codes P/S open-market only) — as of 2026-03-11
• edge_prices_eod (end-of-day close) — as of 2026-10-16
• House PTR / Senate eFD disclosures (edge_congress_trades) — as of 2026-07-10
• Senate LDA filings (edge_lobbying_filings)

TMO data questions

Are TMO insiders buying or selling stock?

Insiders at THERMO FISHER SCIENTIFIC INC. only sold stock in the open market over the past year: 14 Form 4 sales totaling $96.39M, against no open-market purchases.

What is the one-year price range for TMO?

Based on end-of-day closes through 2026-10-16, TMO traded between $438.34 and $696.49, last closing at $690.00.

Has any member of Congress traded TMO stock?

Yes. 24 members disclosed 92 trades in TMO over five years; the most recent disclosed trade date is 2026-07-10.