Insider Trading for CMCSA
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 Acquired4.6M
Past 100 transactions
Shares Disposed5.3M
Past 100 transactions
Net Position-667.9K
Overall insider sentiment: bearish
Recent Activity (30 Days)
Acquisitions: 0 shares
Dispositions: 518.0K shares
Net: -518.0K shares
Insiders have been net sellers recently, which could indicate concerns about current valuation or short-term outlook.
Quarterly Activity (3 Months)
Acquisitions: 2.3M shares
Dispositions: 2.8M shares
Net: -516.0K shares
Insiders have been net sellers over the quarter, which institutional investors may view as a cautionary signal.
Key Insider Activity: Dec 31, 2024 to Sep 2, 2025
ROBERTS BRIAN L
ExecutiveChief Executive Officer
-906.9K shares
10 transactions
Cavanagh Michael J
ExecutivePresident
+174.2K shares
18 transactions
Reid Thomas J.
ExecutiveCorporate Officer
+26.1K shares
11 transactions
Murdock Daniel C.
ExecutiveVice President
+59.7K shares
20 transactions
Armstrong Jason
ExecutiveChief Financial Officer
-10.6K shares
12 transactions
Transaction Details
Show All| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2025 | ROBERTS BRIAN L | EChief Executive Officer | I-Discretionary | 474.1K | $0.00 | $0.00 | 294.6K | View |
| Aug 20, 2025 | BREEN EDWARD D | DDirector | Gift | 43.9K | $0.00 | $0.00 | 15.4K | View |
| Aug 5, 2025 | Cavanagh Michael J | EPresident | Gift | 809.8K | $42.52 | $34,431,633.00 | 809.8K | View |
| Aug 5, 2025 | Cavanagh Michael J | EPresident | Gift | 524.1K | $54.45 | $28,536,156.00 | 524.1K | View |
| Aug 5, 2025 | Cavanagh Michael J | EPresident | Gift | 480.4K | $40.47 | $19,441,788.00 | 480.4K | View |
| Aug 5, 2025 | Cavanagh Michael J | EPresident | Gift | 430.4K | $46.39 | $19,967,276.58 | 430.4K | View |
| Aug 5, 2025 | Cavanagh Michael J | EPresident | Gift | 430.4K | $46.39 | $19,967,276.58 | 286.9K | View |
| Aug 5, 2025 | Cavanagh Michael J | EPresident | Gift | 809.8K | $42.52 | $34,431,633.00 | 269.9K | View |
| Aug 5, 2025 | Cavanagh Michael J | EPresident | Gift | 524.1K | $54.45 | $28,536,156.00 | 131.0K | View |
| Aug 5, 2025 | Cavanagh Michael J | EPresident | Gift | 480.4K | $40.47 | $19,441,788.00 | 120.1K | View |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of CMCSA stock, though this may be part of planned diversification.