Thermo Fisher Scientific Inc (TMO): Congress and insider trades
Who in Congress and inside the company traded TMO, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Thermo Fisher Scientific Inc (TMO) is a listed stock on NYSE.
- 34 members of Congress filed 78 buys and 64 sells of TMO, the latest published 2026-09-07 (7 September 2026).
- Insiders filed 0 open market buys worth $0 and 10 sells worth $24M, the latest filed 2026-08-10 (10 August 2026).
- Across 45 scored buys, Congress averaged +0.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 56% of them ahead of the index. That result is not distinguishable from luck.
- Data as of 2026-09-29 (29 September 2026).
Congress buys 78 34 members
Congress sells 64
Insider buys 0 $0
Insider sells 10 $24M
Congress buys vs S&P, 90d +0.8% 45 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys
Congress trades in TMO
as of 2026-09-07 Showing the latest 100 of 142.
| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 7 Sep 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | n/a |
| 10 Aug 2026 | Michael Rulli (R-OH) | sell | 1K–15K | 603 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 1K–15K | 116 | n/a |
| 20 Jul 2026 | Dan Newhouse (R-WA) | sell | 1K–15K | 7 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 6 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 25 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | +26.2% |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 39 | n/a |
| 18 May 2026 | Dwight Evans (D-PA) | sell | 1K–15K | 8 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 17 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 28 | +31.2% |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 28 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 32 | -5.0% |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | -9.3% |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 32 | -9.3% |
| 14 Jan 2026 | Julia Letlow (R-LA) | buy | 1K–15K | 447 | -16.2% |
| 14 Jan 2026 | Julia Letlow (R-LA) | buy | 1K–15K | 172 | -16.2% |
| 14 Jan 2026 | Julia Letlow (R-LA) | sell | 1K–15K | 260 | n/a |
| 10 Dec 2025 | Ro Khanna (D-CA) | buy | 15K–50K | 31 | -12.7% |
| 2 Jun 2025 | Rob Bresnahan (R-PA) | buy | 15K–50K | 16 | +14.8% |
| 19 May 2025 | Dan Newhouse (R-WA) | sell | 1K–15K | 35 | n/a |
| 16 May 2025 | Rick Allen (R-GA) | sell | 15K–50K | 34 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 15K–50K | 27 | +9.0% |
| 15 May 2025 | Julie Johnson (D-TX) | sell | 1K–15K | 37 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | sell | 1K–15K | 38 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | sell | 1K–15K | 38 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 15K–50K | 33 | +9.0% |
| 15 May 2025 | Ro Khanna (D-CA) | sell | 1K–15K | 19 | n/a |
| 13 May 2025 | Bruce Westerman (R-AR) | sell | 1K–15K | 21 | n/a |
| 12 May 2025 | Markwayne Mullin (R-OK) | sell | 50K–100K | 34 | n/a |
| 9 May 2025 | Jefferson Shreve (R-IN) | sell | 15K–50K | 31 | n/a |
| 20 Nov 2023 | Michael McCaul (R-TX) | sell | 15K–50K | 21 | n/a |
| 20 Nov 2023 | Michael McCaul (R-TX) | sell | 15K–50K | 21 | n/a |
| 10 Nov 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 8 | +9.5% |
| 10 Nov 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 29 | +9.5% |
| 10 Nov 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 37 | n/a |
| 10 Nov 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 13 | n/a |
| 9 Nov 2023 | Greg Stanton (D-AZ) | buy | 1K–15K | 44 | +9.4% |
| 9 Nov 2023 | Greg Stanton (D-AZ) | sell | 1K–15K | 16 | n/a |
| 1 Nov 2023 | Markwayne Mullin (R-OK) | buy | 15K–50K | 29 | +8.0% |
| 12 Oct 2023 | Markwayne Mullin (R-OK) | buy | 15K–50K | 29 | +2.3% |
| 11 Oct 2023 | Lois Frankel (D-FL) | sell | 1K–15K | 32 | n/a |
| 9 Oct 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 30 | -0.5% |
| 22 Sep 2023 | Dan Sullivan (R-AK) | sell | 1K–15K | 31 | n/a |
| 7 Sep 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 34 | -7.8% |
| 14 Aug 2023 | Daniel S. Goldman (D-NY) | sell | 50K–100K | 32 | n/a |
| 11 Aug 2023 | Rick Allen (R-GA) | buy | 15K–50K | 883 | -15.6% |
| 11 Aug 2023 | Rick Allen (R-GA) | sell | 15K–50K | 850 | n/a |
| 11 Aug 2023 | Rick Allen (R-GA) | buy | 15K–50K | 927 | -15.6% |
| 11 Aug 2023 | Rick Allen (R-GA) | buy | 15K–50K | 518 | -15.6% |
| 9 Aug 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 10 | n/a |
| 7 Aug 2023 | Earl Blumenauer (D-OR) | buy | 15K–50K | 15 | -15.5% |
| 31 Jul 2023 | Lois Frankel (D-FL) | sell | 1K–15K | 30 | n/a |
| 26 Jul 2023 | Dan Sullivan (R-AK) | buy | 1K–15K | 238 | -15.2% |
| 20 Jul 2023 | Michael McCaul (R-TX) | buy | 15K–50K | 28 | -11.0% |
| 20 Jul 2023 | Michael McCaul (R-TX) | buy | 15K–50K | 28 | -11.0% |
| 12 Jul 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 12 | n/a |
| 23 Jun 2023 | Michael McCaul (R-TX) | buy | 50K–100K | 51 | -3.7% |
| 23 Jun 2023 | Michael McCaul (R-TX) | buy | 50K–100K | 51 | -3.7% |
| 14 Jun 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 24 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 20 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 20 | -5.8% |
| 7 Jun 2023 | Zoe Lofgren (D-CA) | sell | 1K–15K | 12 | n/a |
| 29 May 2023 | Dan Newhouse (R-WA) | buy | 1K–15K | 444 | +0.3% |
| 29 May 2023 | Dan Newhouse (R-WA) | buy | 1K–15K | 570 | +0.3% |
| 12 May 2023 | Tommy Tuberville (R-AL) | sell | 1K–15K | 39 | n/a |
| 1 May 2023 | Tom Carper (D-DE) | sell | 1K–15K | 5 | n/a |
| 17 Apr 2023 | Daniel S. Goldman (D-NY) | buy | 1K–15K | 42 | -19.4% |
| 12 Apr 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 24 | n/a |
| 14 Mar 2023 | John Curtis (R-UT) | sell | 1K–15K | 18 | n/a |
| 20 Feb 2023 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 37 | n/a |
| 15 Feb 2023 | Kevin Hern (R-OK) | sell | 1K–15K | 14 | n/a |
| 9 Feb 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 29 | -8.6% |
| 4 Jan 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 29 | n/a |
| 4 Jan 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 28 | -3.7% |
| 4 Jan 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 28 | n/a |
| 7 Dec 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 6 | -3.4% |
| 7 Dec 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 33 | n/a |
| 11 Nov 2022 | Kathy Manning (D-NC) | buy | 1K–15K | 29 | +3.2% |
| 12 Oct 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 8 | +5.6% |
| 12 Oct 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | +5.6% |
| 9 Sep 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 16 | n/a |
| 5 Sep 2022 | Diana Harshbarger (R-TN) | sell | 1K–15K | 40 | n/a |
| 5 Sep 2022 | Diana Harshbarger (R-TN) | sell | 1K–15K | 40 | n/a |
| 11 Aug 2022 | Kathy Manning (D-NC) | buy | 1K–15K | 26 | -6.4% |
| 2 Aug 2022 | Diana Harshbarger (R-TN) | sell | 1K–15K | 37 | n/a |
| 2 Aug 2022 | Diana Harshbarger (R-TN) | sell | 1K–15K | 37 | n/a |
| 2 Aug 2022 | Diana Harshbarger (R-TN) | sell | 1K–15K | 37 | n/a |
| 11 Jul 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 21 | +1.3% |
| 11 Jul 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 10 | +1.3% |
| 11 Jul 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | +1.3% |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 36 | +2.5% |
| 15 Jun 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 31 | n/a |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 18 | +2.5% |
| 3 Jun 2022 | Diana Harshbarger (R-TN) | sell | 1K–15K | 31 | n/a |
| 3 Jun 2022 | Diana Harshbarger (R-TN) | sell | 1K–15K | 31 | n/a |
| 3 Jun 2022 | Diana Harshbarger (R-TN) | sell | 1K–15K | 31 | n/a |
| 12 May 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 15 | +4.5% |
| 8 Apr 2022 | Tommy Tuberville (R-AL) | buy | 1K–15K | 9 | +5.9% |
| 11 Mar 2022 | Ro Khanna (D-CA) | sell | 50K–100K | 19 | n/a |
Nothing matches that search.
Insider trades in TMO
as of 2026-08-10| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 10 Aug 2026 | CASPER MARC N | sell | 4,608 | $586.12 | $2.7M | n/a |
| 10 Aug 2026 | CASPER MARC N | sell | 275 | $586.10 | $161K | n/a |
| 10 Aug 2026 | Holmes Joseph R. | sell | 420 | $584.81 | $246K | n/a |
| 7 Aug 2026 | Britt Lisa P. | sell | 5,850 | $580.00 | $3.4M | n/a |
| 7 Aug 2026 | CASPER MARC N | sell | 5,000 | $575.23 | $2.9M | n/a |
| 7 Aug 2026 | CASPER MARC N | sell | 10,000 | $575.23 | $5.8M | n/a |
| 7 Aug 2026 | CASPER MARC N | sell | 10,000 | $574.47 | $5.7M | n/a |
| 7 Aug 2026 | CASPER MARC N | sell | 5,000 | $574.45 | $2.9M | n/a |
| 28 Jul 2026 | Pettiti Gianluca | sell | 400 | $565.00 | $226K | n/a |
| 29 Apr 2026 | Pettiti Gianluca | sell | 400 | $462.66 | $185K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought TMO?
78 Congress buys by 34 members and 0 insider buys are on file. The tables on this page list every one.
Did buying TMO after a disclosure beat the market?
Across 45 scored buys, Congress averaged +0.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 56% of them ahead of the index. That result is not distinguishable from luck. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.