CASPER MARC N (Chairman & CEO) sold 17.6% of their position (24.35K shares) of THERMO FISHER SCIENTIFIC INC. on the open market

Open‑market sale worth $13.91M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 16 sales

CASPER MARC N

Filed: 10/28/2025ACC: 0000097745-25-000152

InsiderCASPER MARC NCIK 1216055

→

IssuerTHERMO FISHER SCIENTIFIC INC.CIK 97745

DirectorOfficer· Chairman & CEO

Since Mar 2026

-24.35K

Net shares

Net seller

$13.91M

Total sold

Open market trades

0B · 16S

Total transactions

24.35K acquired · 48.71K disposed

Non-Derivative Transactions18

Common Stock

Direct

M · Option Exercise

+17.10K

Price / share

$253.99

Trade value

$4.34M

% of position

15.0%

10/24/2025

113.76K→130.87K

Common Stock

Direct

S · Sale

−1.25K

Price / share

$571.30

Trade value

$713.55K

% of position

1.0%

10/24/2025

130.87K→129.62K

Common Stock

Direct

S · Sale

−2.47K

Price / share

$572.28

Trade value

$1.41M

% of position

1.9%

10/24/2025

129.62K→127.15K

Common Stock

Direct

S · Sale

−4.76K

Price / share

$573.37

Trade value

$2.73M

% of position

3.7%

10/24/2025

127.15K→122.39K

Common Stock

Direct

S · Sale

−7.33K

Price / share

$574.20

Trade value

$4.21M

% of position

6.0%

10/24/2025

122.39K→115.06K

Common Stock

Direct

S · Sale

−1.29K

Price / share

$575.02

Trade value

$743.50K

% of position

1.1%

10/24/2025

115.06K→113.76K

Common Stock

Direct

M · Option Exercise

+7.25K

Price / share

$253.99

Trade value

$1.84M

% of position

6.4%

10/27/2025

113.76K→121.01K

Common Stock

Direct

S · Sale

−109.00

Price / share

$561.68

Trade value

$61.22K

% of position

0.1%

10/27/2025

121.01K→120.90K

Common Stock

Direct

S · Sale

−241.00

Price / share

$562.63

Trade value

$135.59K

% of position

0.2%

10/27/2025

120.90K→120.66K

Common Stock

Direct

S · Sale

−1.19K

Price / share

$563.72

Trade value

$672.52K

% of position

1.0%

10/27/2025

120.66K→119.47K

Common Stock

Direct

S · Sale

−2.51K

Price / share

$564.44

Trade value

$1.42M

% of position

2.1%

10/27/2025

119.47K→116.96K

Common Stock

Direct

S · Sale

−937.00

Price / share

$565.47

Trade value

$529.85K

% of position

0.8%

10/27/2025

116.96K→116.02K

Common Stock

Direct

S · Sale

−181.00

Price / share

$566.47

Trade value

$102.53K

% of position

0.2%

10/27/2025

116.02K→115.84K

Common Stock

Direct

S · Sale

−141.00

Price / share

$567.57

Trade value

$80.03K

% of position

0.1%

10/27/2025

115.84K→115.70K

Common Stock

Direct

S · Sale

−189.00

Price / share

$568.98

Trade value

$107.54K

% of position

0.2%

10/27/2025

115.70K→115.51K

Common Stock

Direct

S · Sale

−670.00

Price / share

$569.93

Trade value

$381.85K

% of position

0.6%

10/27/2025

115.51K→114.84K

Common Stock

Direct

S · Sale

−728.00

Price / share

$570.91

Trade value

$415.62K

% of position

0.6%

10/27/2025

114.84K→114.11K

Common Stock

Direct

S · Sale

−348.00

Price / share

$571.99

Trade value

$199.05K

% of position

0.3%

10/27/2025

114.11K→113.76K

Total

Net shares

+0.00

Net value

-$7.73M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	10/24/2025	M · Option Exercise	+17.10K	$253.99	$4.34M	15.0%	113.76K	130.87K
Common Stock Direct	10/24/2025	S · Sale	−1.25K	$571.30	$713.55K	1.0%	130.87K	129.62K
Common Stock Direct	10/24/2025	S · Sale	−2.47K	$572.28	$1.41M	1.9%	129.62K	127.15K
Common Stock Direct	10/24/2025	S · Sale	−4.76K	$573.37	$2.73M	3.7%	127.15K	122.39K
Common Stock Direct	10/24/2025	S · Sale	−7.33K	$574.20	$4.21M	6.0%	122.39K	115.06K
Common Stock Direct	10/24/2025	S · Sale	−1.29K	$575.02	$743.50K	1.1%	115.06K	113.76K
Common Stock Direct	10/27/2025	M · Option Exercise	+7.25K	$253.99	$1.84M	6.4%	113.76K	121.01K
Common Stock Direct	10/27/2025	S · Sale	−109.00	$561.68	$61.22K	0.1%	121.01K	120.90K
Common Stock Direct	10/27/2025	S · Sale	−241.00	$562.63	$135.59K	0.2%	120.90K	120.66K
Common Stock Direct	10/27/2025	S · Sale	−1.19K	$563.72	$672.52K	1.0%	120.66K	119.47K
Common Stock Direct	10/27/2025	S · Sale	−2.51K	$564.44	$1.42M	2.1%	119.47K	116.96K
Common Stock Direct	10/27/2025	S · Sale	−937.00	$565.47	$529.85K	0.8%	116.96K	116.02K
Common Stock Direct	10/27/2025	S · Sale	−181.00	$566.47	$102.53K	0.2%	116.02K	115.84K
Common Stock Direct	10/27/2025	S · Sale	−141.00	$567.57	$80.03K	0.1%	115.84K	115.70K
Common Stock Direct	10/27/2025	S · Sale	−189.00	$568.98	$107.54K	0.2%	115.70K	115.51K
Common Stock Direct	10/27/2025	S · Sale	−670.00	$569.93	$381.85K	0.6%	115.51K	114.84K
Common Stock Direct	10/27/2025	S · Sale	−728.00	$570.91	$415.62K	0.6%	114.84K	114.11K
Common Stock Direct	10/27/2025	S · Sale	−348.00	$571.99	$199.05K	0.3%	114.11K	113.76K
Total			+0.00		-$7.73M

Derivative Transactions2

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

17.10K shares

−17.10K

Strike price

253.99

Held after

7.25K

Exercisable

—

10/24/2025

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

7.25K shares

−7.25K

Strike price

253.99

Held after

0.00

Exercisable

—

10/27/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock17.10K shares	10/24/2025	M · Option Exercise	−17.10K	253.99	—	7.25K
Stock Option (Right to Buy) Direct	Common Stock7.25K shares	10/27/2025	M · Option Exercise	−7.25K	253.99	—	0.00

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect

Shares owned14.61K

Common Stock

Indirect

Shares owned5K

Common Stock

Indirect

Shares owned11.30K

Total

30.91K indirect30.91K

Security Title	Shares Owned	Ownership Type
Common Stock	14.61K	Indirect
Common Stock	5K	Indirect
Common Stock	11.30K	Indirect
Total	30.91K	30.91K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported