THERMO FISHER SCIENTIFIC INC.

TMO

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0000097745-26-000055
Filing date: Mar 5, 2026
Earliest execution date: Mar 3, 2026
Reporting Owners: CASPER MARC N (CEO)

Summary

Type

Sell

Net shares

-10,000

% of shares

-0.39%

Amount (USD)

$5,077,488

Insider confidence score

46.9 out of 100

Positive

  • Under Rule 10b5-1 trading plan
  • Small scheduled sell (<0.5% of shares)

Negative

  • Huge sell amount ($5M+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Exercise

Date

2026-03-03

Code

M

Net shares

+5,000.0

Price per Share

$309.63

Amount (USD)

$1,548,150.00

Acquired/Disposed

Acquired

Shares Owned Before

123,925.358

Shares Owned After

128,925.358

Transaction 2

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-360.0

Price per Share

$495.29

Amount (USD)

$178,304.40

Acquired/Disposed

Disposed

Shares Owned Before

128,925.358

Shares Owned After

128,565.358

Transaction 3

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-480.0

Price per Share

$496.84

Amount (USD)

$238,483.20

Acquired/Disposed

Disposed

Shares Owned Before

128,565.358

Shares Owned After

128,085.358

Transaction 4

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-680.0

Price per Share

$498.14

Amount (USD)

$338,735.20

Acquired/Disposed

Disposed

Shares Owned Before

128,085.358

Shares Owned After

127,405.358

Transaction 5

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-240.0

Price per Share

$499.75

Amount (USD)

$119,940.00

Acquired/Disposed

Disposed

Shares Owned Before

127,405.358

Shares Owned After

127,165.358

Transaction 6

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-382.0

Price per Share

$500.55

Amount (USD)

$191,210.10

Acquired/Disposed

Disposed

Shares Owned Before

127,165.358

Shares Owned After

126,783.358

Transaction 7

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-360.0

Price per Share

$501.95

Amount (USD)

$180,702.00

Acquired/Disposed

Disposed

Shares Owned Before

126,783.358

Shares Owned After

126,423.358

Transaction 8

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-120.0

Price per Share

$502.59

Amount (USD)

$60,310.80

Acquired/Disposed

Disposed

Shares Owned Before

126,423.358

Shares Owned After

126,303.358

Transaction 9

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-120.0

Price per Share

$504.06

Amount (USD)

$60,487.20

Acquired/Disposed

Disposed

Shares Owned Before

126,303.358

Shares Owned After

126,183.358

Transaction 10

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-448.0

Price per Share

$506.74

Amount (USD)

$227,019.52

Acquired/Disposed

Disposed

Shares Owned Before

126,183.358

Shares Owned After

125,735.358

Transaction 11

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-931.0

Price per Share

$507.90

Amount (USD)

$472,854.90

Acquired/Disposed

Disposed

Shares Owned Before

125,735.358

Shares Owned After

124,804.358

Transaction 12

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-759.0

Price per Share

$508.95

Amount (USD)

$386,293.05

Acquired/Disposed

Disposed

Shares Owned Before

124,804.358

Shares Owned After

124,045.358

Transaction 13

Security

Common Stock

Action

Sell

Date

2026-03-03

Code

S

Net shares

-120.0

Price per Share

$509.62

Amount (USD)

$61,154.40

Acquired/Disposed

Disposed

Shares Owned Before

124,045.358

Shares Owned After

123,925.358

Transaction 14

Security

Common Stock

Action

Exercise

Date

2026-03-04

Code

M

Net shares

+5,000.0

Price per Share

$309.63

Amount (USD)

$1,548,150.00

Acquired/Disposed

Acquired

Shares Owned Before

123,925.358

Shares Owned After

128,925.358

Transaction 15

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-447.0

Price per Share

$509.89

Amount (USD)

$227,920.83

Acquired/Disposed

Disposed

Shares Owned Before

128,925.358

Shares Owned After

128,478.358

Transaction 16

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-678.0

Price per Share

$510.71

Amount (USD)

$346,261.38

Acquired/Disposed

Disposed

Shares Owned Before

128,478.358

Shares Owned After

127,800.358

Transaction 17

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-1,370.0

Price per Share

$511.80

Amount (USD)

$701,166.00

Acquired/Disposed

Disposed

Shares Owned Before

127,800.358

Shares Owned After

126,430.358

Transaction 18

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-1,241.0

Price per Share

$512.92

Amount (USD)

$636,533.72

Acquired/Disposed

Disposed

Shares Owned Before

126,430.358

Shares Owned After

125,189.358

Transaction 19

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-815.0

Price per Share

$513.63

Amount (USD)

$418,608.45

Acquired/Disposed

Disposed

Shares Owned Before

125,189.358

Shares Owned After

124,374.358

Transaction 20

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-212.0

Price per Share

$514.86

Amount (USD)

$109,150.32

Acquired/Disposed

Disposed

Shares Owned Before

124,374.358

Shares Owned After

124,162.358

Transaction 21

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-119.0

Price per Share

$515.77

Amount (USD)

$61,376.63

Acquired/Disposed

Disposed

Shares Owned Before

124,162.358

Shares Owned After

124,043.358

Transaction 22

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-118.0

Price per Share

$516.75

Amount (USD)

$60,976.50

Acquired/Disposed

Disposed

Shares Owned Before

124,043.358

Shares Owned After

123,925.358

Derivative Transactions

Transaction 1

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-03

Code

M

Net shares

-5,000.0

Acquired/Disposed

Disposed

Shares Owned Before

54,550.0

Shares Owned After

49,550.0

Transaction 2

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-04

Code

M

Net shares

-5,000.0

Acquired/Disposed

Disposed

Shares Owned Before

49,550.0

Shares Owned After

44,550.0

Filing's footnotes

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 11, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $495.08 to $495.46, inclusive. The reporting person undertakes to provide to Thermo Fisher Scientific Inc. (&quot;TMO&quot;), any security holder of TMO or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12), (13), (14), (15), (16), (17), (18), (19), (20), and (21) to this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $496.43 to $497.37, inclusive.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $497.80 to $498.70, inclusive.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $499.36 to $500.14, inclusive.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $500.47 to $501.44, inclusive.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $501.56 to $502.36, inclusive.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $502.59 to $502.60, inclusive.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $504.06 to $504.07, inclusive.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $506.40 to $507.38, inclusive.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $507.41 to $508.31, inclusive.

12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $508.57 to $509.28, inclusive.

13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $509.62 to $509.63, inclusive.

14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $509.283 to $510.22, inclusive.

15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $510.32 to $511.277, inclusive.

16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $511.323 to $512.303, inclusive.

17. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $512.34 to $513.33, inclusive.

18. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $513.341 to $514.328, inclusive.

19. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $514.383 to $515.373, inclusive.

20. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $515.378 to $516.065, inclusive.

21. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $516.57 to $517.046, inclusive.

22. The reporting person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.

23. The reporting person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.

24. The option vested in four equal installments on February 25, 2021, 2022, 2023, and 2024.

ℹ️ Filed under Rule 10b5-1 trading plan

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.