Insider trade

CEO sold ~$515K of TMO shares in the open market

Traded Aug 20, 2026 · Filed Aug 24, 2026

~$515K
Reported value · 821 sh @ $626.83: 132K
Holds after · shares reported: +4.0%
stock since the trade · S&P 500 +0.2%, $627.55 → $652.51 on Oct 1

Why it stands out

The boss of Thermo Fisher Scientific sold $515K of Thermo Fisher Scientific shares. It was planned long ago, so it says very little.

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: Aug 20, 2026
Reporting period: Not applicable
Filed with the SEC: Aug 24, 2026

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

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$514,627

Shares × reported transaction price

Timing vs results

28 days after results of Jul 23, 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 $627.55 on Aug 20, 2026, within 2% of its 52-week high, after a 20% rise over the previous 30 trading days

52-week range $438.34 (May 15, 2026) to $639.45 (Jan 22, 2026), 94% of the way up, from 251 adjusted closes. 30 trading days earlier: $524.71 on Jul 9, 2026. 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	-4.4%	-0.5%	-3.9%
30 days	+8.0%	+0.2%	+7.8%

Past results only. Not a forecast.

Source receipt

Record ID: 0000097745-26-000152
Filed / recorded: Aug 24, 2026, 8:02 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: Aug 20, 2026
Transaction code: S
Shares / units: 821
Price per share: $626.83
Acquired / disposed: Disposed (D)
Shares owned after: 132,195.358
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 27, 2026.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $626.17 to $627.08, inclusive.