WILLIAMSON STEPHEN

PrivateCIK: 1648929
Location

WALTHAM, MA

WILLIAMSON STEPHEN (Retiring Sr. VP and CFO) reported 2 transactions at THERMO FISHER SCIENTIFIC INC.

Review the transaction codes below to understand the nature of each event.

InsiderWILLIAMSON STEPHENCIK 1648929
Officer· Retiring Sr. VP and CFO
Since Feb 2026
-921.79
Net shares
Net seller
$480.4K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
921.79 disposed
Non-Derivative Transactions2

Common Stock

Direct
F · Tax Withholding

Shares

674.72

Price / share

$521.11

Trade value

$351.61K

% of position

2.0%
2/28/2026
33.42K32.75K

Common Stock

Direct
F · Tax Withholding

Shares

247.07

Price / share

$521.11

Trade value

$128.75K

% of position

0.8%
2/28/2026
32.75K32.50K
Total

Net shares

921.79

Net value

-$480.36K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned12.67K
Total
12.67K indirect12.67K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
WILLIAMSON STEPHEN — Insider Transaction (Form 4) Filed Mar 2, 2026 | Finecho