Thermo Fisher Scientific Inc.
US ˙ NYSE ˙ US8835561023

SecurityTMO / Thermo Fisher Scientific Inc.
InsiderNelson Chai
This page shows the track record and history of Chai Nelson insider trades in Thermo Fisher Scientific Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Nelson Chai in TMO / Thermo Fisher Scientific Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2024-12-09 4 535.9326 4 535.9326 2,144 52 606.7400 284 13.25
2024-11-07 16 555.8900 16 555.8900 8,894

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

TMO / Thermo Fisher Scientific Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Nelson Chai in TMO / Thermo Fisher Scientific Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2025-02-19 16 528.0900 16 528.0900 8,449 118 390.2600 -2,205 -26.10

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

TMO / Thermo Fisher Scientific Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-05-22 2025-05-21 4 Chai Nelson TMO Common Stock A - Award D 565 14,817
2025-02-21 2025-02-19 4 Chai Nelson TMO Common Stock S - Sale D 528.0900 -16 -8 14,252
2025-02-21 2024-12-09 4 Chai Nelson TMO Common Stock P - Purchase D 535.9326 4 2 14,268
2025-02-21 2024-11-07 4 Chai Nelson TMO Common Stock P - Purchase D 555.8900 16 9 14,264
2024-05-23 2024-05-22 4 Chai Nelson TMO Common Stock A - Award D 339 14,248
2023-05-26 2023-05-24 4 Chai Nelson TMO Common Stock A - Award D 392 13,909
2022-05-20 2022-05-18 4 Chai Nelson TMO Common Stock A - Award D 369 13,517
2021-05-20 2021-05-19 4 Chai Nelson TMO Common Stock A - Award D 438 13,148
2020-05-21 2020-05-20 4 Chai Nelson TMO Common Stock A - Award D 572 12,710
2019-05-23 2019-05-22 4 Chai Nelson TMO Common Stock A - Award D 718 12,138
2018-05-24 2018-05-23 4 Chai Nelson TMO Common Stock A - Award D 809 11,420
2017-05-19 2017-05-17 4 Chai Nelson TMO Common Stock A - Award D 1,024 10,611
2016-05-20 2016-05-18 4 Chai Nelson TMO Common Stock A - Award D 1,000 9,587
2015-05-22 2015-05-20 4 Chai Nelson TMO Common Stock A - Award D 1,137 8,587
2014-05-22 2014-05-20 4 Chai Nelson TMO Common Stock A - Award D 1,311 7,450
2013-05-24 2013-05-22 4 Chai Nelson TMO Common Stock A - Award D 1,739 6,139
2012-05-25 2012-05-23 4 Chai Nelson TMO Common Stock A - Award D 2,452 4,400
P
Pembelian sekuritas non-derivatif atau derivatif di pasar terbuka atau secara pribadi.
S
Penjualan terbuka atau penjualan pribadi atas sekuritas non-derivatif atau derivatif.
A
Hibah, penghargaan, atau perolehan sekuritas lainnya dari perusahaan (seperti opsi)
C
Konversi turunan
D
Penjualan atau pengalihan sekuritas kembali ke perusahaan.
F
Pembayaran harga pelaksanaan atau kewajiban pajak menggunakan sebagian sekuritas yang diterima dari perusahaan.
G
Pemberian sekuritas oleh atau kepada orang dalam.
K
Swap ekuitas dan transaksi lindung nilai serupa
M
Pelaksanaan atau konversi sekuritas derivatif yang diterima dari perusahaan (seperti opsi)
V
Transaksi yang dilaporkan secara sukarela pada Formulir 4.
J
Lainnya (disertai dengan catatan kaki yang menjelaskan transaksi tersebut)