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Insider Activity
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Daily Briefing
Market Pulse
Insider Activity
Rare Buys
Institutional Holdings
Sentiment
AI Capex Stress
About
← Companies
Graph
Table
CMCSA
COMCAST CORP
SEC EDGAR ↗
Insider Activity Table
Total Insiders
11
Total Shares Held
6.3M
Latest Quarter Net
+0
Insider positions and quarterly net share changes
Insider · 11 positions
Net Shares per Quarter (+ Bought / − Sold)
Name
Role
Shares Held ↑
Q4 2026
Q3 2026
Q2 2026
Q1 2026
Q4 2025
Q3 2025
Q2 2025
Q1 2025
Q4 2024
Q3 2024
Q2 2024
Q1 2024
Q4 2023
Q3 2023
Q2 2023
Q1 2023
Michael J Cavanagh
Co-CEO
0
—
-958K
—
-445K
—
—
—
—
—
—
—
—
—
—
—
—
Gordon Smith
—
12K
—
+2K
+1K
+9K
—
—
—
—
—
—
—
—
—
—
—
—
Edward D Breen
—
28K
—
-62K
+33K
+31K
—
—
—
—
—
—
—
—
—
—
—
—
Louise F. Brady
—
37K
—
+2K
+1K
+1K
—
—
—
—
—
—
—
—
—
—
—
—
Thomas J Baltimore Jr
—
43K
—
+2K
+1K
+1K
—
—
—
—
—
—
—
—
—
—
—
—
Daniel C. Murdock
EVP & Chief Accounting Officer
64K
—
—
-2K
-3K
—
—
—
—
—
—
—
—
—
—
—
—
Jennifer Khoury
Chief Communications Officer
71K
—
—
—
+11K
—
—
—
—
—
—
—
—
—
—
—
—
Jason Armstrong
CFO
172K
—
—
—
-28K
—
—
—
—
—
—
—
—
—
—
—
—
Thomas J. Reid
Chief Legal Officer, Secretary
223K
—
—
—
+44K
—
—
—
—
—
—
—
—
—
—
—
—
Jeffrey A Honickman
—
279K
—
+2K
+2K
+2K
—
—
—
—
—
—
—
—
—
—
—
—
Brian L Roberts
Chairman of Board & Co-CEO
5.4M
—
-689K
-203K
-525K
—
—
—
—
—
—
—
—
—
—
—
—
11 insiders · 16 quarters shown