Insider trade

CEO sold ~$714K of TMO shares in the open market

Traded Oct 24, 2025 · Filed Oct 28, 2025

~$714K
Approx. value · 1,249 sh @ $571.30: 130K
Holds after · shares reported: +14.7%
stock since the trade · S&P 500 +15.0%, $572.50 → $656.58 on Oct 6

Why it stands out

The CEO of Thermo Fisher Scientific sold $714K of Thermo Fisher Scientific shares. The filing says it was made under a pre-arranged trading plan.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Oct 24, 2025
Reporting period: Not applicable
Filed with the SEC: Oct 28, 2025

CEO$500K–$1MPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$713,554

Shares × reported transaction price

Timing vs results

2 days after results of Oct 22, 2025, 97 days before results of Jan 29, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $572.50 on Oct 24, 2025, 47% above its 52-week low and 6% below its high, after a 19% rise over the previous 30 trading days

52-week range $390.26 (Jun 17, 2025) to $606.74 (Jan 30, 2025), 84% of the way up, from 250 adjusted closes. 30 trading days earlier: $479.46 on Sep 12, 2025. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+1.7%	−1.4%	+3.1%
30 days	+5.8%	−0.6%	+6.4%
90 days	+11.8%	+1.2%	+10.6%
180 days	−16.2%	+4.0%	−20.2%

Past results only. Not a forecast.

Source receipt

Record ID: 0000097745-25-000152
Filed / recorded: Oct 28, 2025, 8:27 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: THERMO FISHER SCIENTIFIC INC.
Issuer CIK: 97745
Ticker: TMO
Reporting person: Marc N Casper
Relationship: Director, Officer
Officer title: Chairman & CEO
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Oct 24, 2025
Transaction code: S
Shares / units: 1,249
Price per share: $571.30
Acquired / disposed: Disposed (D)
Shares owned after: 129,617.285
Ownership form: Direct
Amendment: No

Footnotes from the filing

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 28, 2025.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $570.73 to $571.72, inclusive. The reporting person undertakes to provide to Thermo Fisher Scientific Inc. ("TMO"), 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) and (17) to this Form 4.