Thermo Fisher Scientific Inc Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 379 trades in Thermo Fisher Scientific Inc (NYSE: TMO) since 2012, across 57 members, worth an estimated $8.4M in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 216 buys against 163 sells, a modestly buy-led skew, with Democratic members responsible for 48% of the trades and Republican members 52%. The most recent disclosure shown was filed July 2026, and Rohit Khanna has filed the most TMO transactions among those shown, with 21. Other recent filers include Dan Newhouse, Dwight Evans, and Alan Armstrong. One notable disclosed move was a purchase by Rohit Khanna on May 27, 2026, up 37.8% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the Thermo Fisher Scientific Inc (TMO) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
Thermo Fisher Scientific congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | Owner | |
|---|---|---|---|---|---|---|---|---|
 Dan Newhouse House | Jul 17, 2026 | Jul 10, 2026 | 7 days | SELL |  $1,001 - $15,000 | +19.18% | Spouse | |
 Rohit Khanna House | Jul 6, 2026 | Jun 30, 2026 | 6 days | BUY | $1,001 - $15,000 | +25.29% | Spouse | |
Rohit Khanna House | Jun 9, 2026 | May 27, 2026 | 13 days | BUY | $1,001 - $15,000 | +37.83% | Spouse | |
Rohit Khanna House | Jun 9, 2026 | May 15, 2026 | 25 days | SELL | $15,001 - $50,000 | +43.30% | Spouse | |
 Dwight Evans House | May 15, 2026 | May 7, 2026 | 8 days | SELL | $1,001 - $15,000 | +32.39% | Self | |
Rohit Khanna House | Jun 9, 2026 | May 1, 2026 | 39 days | SELL | $1,001 - $15,000 | +33.87% | Child | |
Rohit Khanna House | May 11, 2026 | Apr 24, 2026 | 17 days | SELL | $1,001 - $15,000 | +33.73% | Spouse | |
Rohit Khanna House | May 11, 2026 | Apr 13, 2026 | 28 days | BUY | $15,001 - $50,000 | +22.15% | Spouse | |
 Alan Armstrong Senate | Jul 21, 2026 | Mar 27, 2026 | 116 days | BUY | $1,001 - $15,000 | +32.70% | Self | |
Rohit Khanna House | Apr 7, 2026 | Mar 10, 2026 | 28 days | SELL | $15,001 - $50,000 | +25.73% | Spouse |
Thermo Fisher Scientific (TMO) congressional trading FAQ
Can members of Congress legally trade Thermo Fisher Scientific (TMO) stock?
Yes. Members of Congress are permitted to trade individual stocks, including Thermo Fisher Scientific (TMO), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; it does not imply any trade was improper.
Are congressional Thermo Fisher Scientific (TMO) trades public?
Yes. Every congressional trade in Thermo Fisher Scientific (TMO) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded Thermo Fisher Scientific (TMO)?
Members of Congress have disclosed 379 trades in Thermo Fisher Scientific (TMO) worth $8.4M across 57 members, according to public STOCK Act filings.
Which members of Congress have traded Thermo Fisher Scientific (TMO)?
Recent and active filers of Thermo Fisher Scientific (TMO) disclosures include Rohit Khanna, Lisa McClain, Dan Newhouse. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade Thermo Fisher Scientific (TMO) more?
Across disclosed Thermo Fisher Scientific (TMO) trades, 47% were by Democrats and 52% by Republicans, led by Republicans (52%).
What is the most recent congressional Thermo Fisher Scientific (TMO) trade?
The most recent disclosed Thermo Fisher Scientific (TMO) trade was a purchase by Alan Armstrong, filed Jul 20, 2026.
Browse all stocks Congress tradesCongressional trading overviewThermo Fisher Scientific (TMO) stock overview
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.