Insider Trading for TMO
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired145.2K
Past 100 transactions
Shares Disposed106.7K
Past 100 transactions
Net Position38.5K
Overall insider sentiment: bullish
Recent Activity (30 Days)
Acquisitions: 28.5K shares
Dispositions: 57.0K shares
Net: -28.5K shares
Insiders have been net sellers recently, which could indicate concerns about current valuation or short-term outlook.
Quarterly Activity (3 Months)
Acquisitions: 49.9K shares
Dispositions: 57.4K shares
Net: -7.5K shares
Insiders have been net sellers over the quarter, which institutional investors may view as a cautionary signal.
Key Insider Activity: Feb 28, 2025 to Aug 22, 2025
CASPER MARC N
ExecutiveChief Executive Officer
+24.3K shares
58 transactions
Shropshire Thomas B Jr.
ExecutiveVice President
+20.9K shares
3 transactions
Boxer Michael A
ExecutiveVice President
-3.8K shares
1 transactions
Shafer Michael D
ExecutivePresident
-2.8K shares
4 transactions
Pettiti Gianluca
ExecutivePresident
-2.4K shares
5 transactions
Transaction Details
Show All| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | CASPER MARC N | EChief Executive Officer | Exercise | 10.0K | $253.99 | $2,539,900.00 | 125.2K | View |
| Aug 22, 2025 | CASPER MARC N | EChief Executive Officer | Sale | 5.8K | $500.40 | $2,913,829.20 | 119.4K | View |
| Aug 22, 2025 | CASPER MARC N | EChief Executive Officer | Sale | 3.6K | $501.65 | $1,795,405.35 | 115.8K | View |
| Aug 22, 2025 | CASPER MARC N | EChief Executive Officer | Sale | 598 | $502.26 | $300,351.48 | 115.2K | View |
| Aug 22, 2025 | CASPER MARC N | EChief Executive Officer | Exercise | 10.0K | $253.99 | $2,539,900.00 | 24.8K | View |
| Aug 20, 2025 | CASPER MARC N | EChief Executive Officer | Exercise | 295 | $253.99 | $74,927.05 | 115.5K | View |
| Aug 20, 2025 | CASPER MARC N | EChief Executive Officer | Sale | 200 | $500.00 | $100,000.00 | 115.3K | View |
| Aug 20, 2025 | CASPER MARC N | EChief Executive Officer | Sale | 95 | $500.13 | $47,512.35 | 115.2K | View |
| Aug 20, 2025 | CASPER MARC N | EChief Executive Officer | Exercise | 295 | $253.99 | $74,927.05 | 34.8K | View |
| Aug 19, 2025 | CASPER MARC N | EChief Executive Officer | Exercise | 201 | $253.99 | $51,051.99 | 115.4K | View |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net buyers of TMO stock, which is typically a strong positive signal.