TMO Filing
4Filing Date: May 22, 2026
THERMO FISHER SCIENTIFIC INC. (TMO) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0000097745-26-000116open_in_new
Total Value$36.3K
Trades2
Insiders1
Transaction Details
WEISLER DION J
Director·Direct
Grant · Acquire
Common Stock
Shares+499
Price$0.00
Total Value$0
Shares Owned After5.45K
Transaction DateMay 20, 2026
WEISLER DION J
Director·Direct
Tax W/H · Dispose
Common Stock
Shares-80.29
Price$451.79
Total Value$36.3K
Shares Owned After4.95K
Transaction DateMay 20, 2026
Post-Transaction Holdings
WEISLER DION J
| Security | Shares | Change |
|---|---|---|
| Common Stock | 5.45K | +418.71 (8.33%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-05-20
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: THERMO FISHER SCIENTIFIC INC. (TMO)
CIK: 0000097745
--- Reporting Owner ---
Name: WEISLER DION J
CIK: 0001580693
Role: Director
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-05-20 | Code: F (Payment of exercise/tax)
Shares: -80.287 | Price: $451.79
Total Value: $36,272.86
Shares Owned After: 4,947.384 | Ownership: D (Direct)
[Transaction #2]
Security: Common Stock
Date: 2026-05-20 | Code: A (Grant or award)
Shares: +499 | Price: $0.00
Shares Owned After: 5,446.384 | Ownership: D (Direct)
--- Signature ---
/s/ /s/ Melodie T. Morin, Attorney-in-Fact for Dion J. Weisler (2026-05-22)