Congress Trades in Thermo Fisher Scientific Inc. (TMO)
26 members of Congress have disclosed trading TMO.
Total trades
53
Purchases
36
Sales
17
Members
26
Est. volume
$1.2M
Last traded
Oct 30, 2025
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26 members of Congress have disclosed trading Thermo Fisher Scientific Inc. (TMO), with 53 transactions in total — 36 purchases and 17 sales worth an estimated $1.2M at range midpoints, leaning heavily toward buying. The most active TMO trader is Richard W. Allen (5 disclosures). The most recent disclosed TMO trade was on Oct 30, 2025. See our full TMO fundamentals page for price, valuation and a return calculator.
Every disclosed TMO trade
| Disclosed | Politician | Type | Amount | Traded | |
|---|---|---|---|---|---|
| Nov 1, 2025 | Lisa McClain R | Sale | $1,001 - $15,000 | Oct 30, 2025 | filing ↗ |
| Sep 23, 2025 | Valerie Hoyle D | Sale | $1,001 - $15,000 | Sep 23, 2025 | filing ↗ |
| Sep 11, 2025 | Valerie Hoyle D | Sale | $1,001 - $15,000 | Mar 3, 2025 | filing ↗ |
| Sep 11, 2025 | Valerie Hoyle D | Purchase | $1,001 - $15,000 | Oct 29, 2024 | filing ↗ |
| Aug 13, 2025 | Lisa McClain R | Purchase | $1,001 - $15,000 | Jul 22, 2025 | filing ↗ |
| Aug 11, 2025 | Julia Letlow R | Sale | $1,001 - $15,000 | Apr 28, 2025 | filing ↗ |
| Aug 11, 2025 | Lisa McClain R | Purchase | $1,001 - $15,000 | Dec 11, 2024 | filing ↗ |
| Jun 9, 2025 | Richard W. Allen | Sale | $15,001 - $50,000 | May 16, 2025 | filing ↗ |
| May 7, 2025 | Richard W. Allen | Sale | $15,001 - $50,000 | Apr 11, 2025 | filing ↗ |
| May 6, 2025 | Julie Johnson D | Sale | $1,001 - $15,000 | Apr 7, 2025 | filing ↗ |
| Mar 17, 2025 | Bruce Westerman R | Purchase | $1,001 - $15,000 | Mar 3, 2025 | filing ↗ |
| Sep 5, 2024 | John James R | Sale | $1,001 - $15,000 | Sep 4, 2024 | filing ↗ |
| Aug 27, 2024 | John James R | Purchase | $1,001 - $15,000 | Mar 6, 2024 | filing ↗ |
| Oct 21, 2023 | Greg Stanton D | Purchase | $1,001 - $15,000 | Sep 26, 2023 | filing ↗ |
| Jun 6, 2023 | Zoe Lofgren D | Sale | $1,001 - $15,000 | May 25, 2023 | filing ↗ |
| Apr 3, 2023 | Daniel Goldman | Purchase | $1,001 - $15,000 | Mar 6, 2023 | filing ↗ |
| Nov 4, 2022 | Kathy Manning | Purchase | $1,001 - $15,000 | Oct 12, 2022 | filing ↗ |
| Apr 5, 2022 | Richard W. Allen | Purchase | $15,001 - $50,000 | Mar 10, 2022 | filing ↗ |
| Nov 2, 2021 | Dan Newhouse R | Purchase | $1,001 - $15,000 | Nov 2, 2021 | filing ↗ |
| Oct 7, 2021 | Zoe Lofgren D | Purchase | $1,001 - $15,000 | Sep 2, 2021 | filing ↗ |
| Sep 9, 2021 | Zoe Lofgren D | Purchase | $1,001 - $15,000 | Aug 9, 2021 | filing ↗ |
| Jul 22, 2021 | Kevin Hern R | Purchase | $50,001 - $100,000 | Jul 21, 2021 | filing ↗ |
| May 5, 2021 | Lois Frankel D | Purchase | $1,001 - $15,000 | May 5, 2021 | filing ↗ |
| Mar 15, 2021 | Richard W. Allen | Purchase | $15,001 - $50,000 | Mar 10, 2021 | filing ↗ |
| Feb 19, 2021 | Peter Meijer | Sale | $15,001 - $50,000 | Feb 16, 2021 | filing ↗ |
| Feb 5, 2021 | Richard W. Allen | Purchase | $15,001 - $50,000 | Jan 25, 2021 | filing ↗ |
| Dec 9, 2020 | Lois Frankel D | Purchase | $1,001 - $15,000 | Dec 9, 2020 | filing ↗ |
| Nov 4, 2020 | Lois Frankel D | Purchase | $1,001 - $15,000 | Nov 4, 2020 | filing ↗ |
| Aug 7, 2020 | Joe Courtney D | Sale | $1,001 - $15,000 | Aug 7, 2020 | filing ↗ |
| Apr 30, 2020 | David B. McKinley | Purchase | $1,001 - $15,000 | Apr 30, 2020 | filing ↗ |
| Apr 10, 2020 | Kevin Hern R | Purchase | $1,001 - $15,000 | Apr 9, 2020 | filing ↗ |
| Apr 9, 2020 | John A. Yarmuth | Purchase | $1,001 - $15,000 | Mar 19, 2020 | filing ↗ |
| Mar 27, 2020 | John Curtis R | Purchase | $1,001 - $15,000 | Mar 27, 2020 | filing ↗ |
| Mar 23, 2020 | Zoe Lofgren D | Sale | $1,001 - $15,000 | Mar 23, 2020 | filing ↗ |
| Jan 3, 2020 | John B. Larson D | Sale | $1,001 - $15,000 | Dec 18, 2019 | filing ↗ |
| Dec 31, 2019 | Joe Courtney D | Purchase | $1,001 - $15,000 | Dec 31, 2019 | filing ↗ |
| Nov 8, 2019 | Kevin Hern R | Purchase | $1,001 - $15,000 | Nov 7, 2019 | filing ↗ |
| Jun 20, 2019 | Bradley S. Schneider D | Sale | $250,001 - $500,000 | Jun 20, 2019 | filing ↗ |
| Dec 31, 2018 | David B. McKinley | Purchase | $1,001 - $15,000 | Dec 20, 2018 | filing ↗ |
| Sep 10, 2018 | Dwight Evans D | Purchase | $1,001 - $15,000 | Aug 17, 2018 | filing ↗ |
| Nov 1, 2017 | David B. McKinley | Purchase | $1,001 - $15,000 | Oct 16, 2017 | filing ↗ |
| Jun 1, 2017 | Thomas J. Rooney | Sale | $15,001 - $50,000 | May 15, 2017 | filing ↗ |
| Mar 29, 2017 | K. Michael Conaway | Sale | $15,001 - $50,000 | Mar 24, 2017 | filing ↗ |
| Jan 31, 2017 | Dwight Evans D | Purchase | $15,001 - $50,000 | Dec 30, 2016 | filing ↗ |
| Dec 27, 2016 | David E. Price | Purchase | $1,001 - $15,000 | Dec 19, 2016 | filing ↗ |
| Oct 20, 2016 | David E. Price | Purchase | $1,001 - $15,000 | Oct 13, 2016 | filing ↗ |
| Aug 8, 2016 | David E. Price | Purchase | $1,001 - $15,000 | Aug 3, 2016 | filing ↗ |
| Mar 10, 2016 | Thomas J. Rooney | Purchase | $1,001 - $15,000 | Feb 10, 2016 | filing ↗ |
| Feb 21, 2016 | Thomas J. Rooney | Purchase | $15,001 - $50,000 | Jan 21, 2016 | filing ↗ |
| Jan 21, 2016 | Thomas J. Rooney | Purchase | $1,001 - $15,000 | Dec 21, 2016 | filing ↗ |
| Sep 2, 2015 | Scott H. Peters D | Sale | $15,001 - $50,000 | Sep 2, 2015 | filing ↗ |
| Jul 31, 2015 | Scott H. Peters D | Purchase | $15,001 - $50,000 | Jul 17, 2015 | filing ↗ |
| Aug 29, 2014 | David B. McKinley | Purchase | $1,001 - $15,000 | Aug 19, 2014 | filing ↗ |
Most active TMO traders in Congress
RW
Richard W. Allen
5 trades
Zoe Lofgren
Democrat
4 trades
DB
David B. McKinley
4 trades
TJ
Thomas J. Rooney
4 trades
Lisa McClain
Republican
3 trades
Valerie Hoyle
Democrat
3 trades
Kevin Hern
Republican
3 trades
Lois Frankel
Democrat
3 trades
Zoe Lofgren
Democrat
4 trades
DB
David B. McKinley
4 trades
TJ
Thomas J. Rooney
4 trades
Lisa McClain
Republican
3 trades
Valerie Hoyle
Democrat
3 trades
Kevin Hern
Republican
3 trades
Lois Frankel
Democrat
3 trades
Source: US House Clerk Periodic Transaction Reports. Amounts are disclosed as ranges; estimates use range midpoints. Data may be delayed or contain filer errors. Not investment advice.