CMCSA
insider transactionsCOMCAST CORP — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Other·G
Brian L Roberts KEY
Chairman of Board & Co-CEO
$0
202.5K sh
Own -3%
-
Exercise·M
EVP & Chief Accounting Officer
$0
5.3K sh
Own +12%
-
Other·F
EVP & Chief Accounting Officer
$57.9K
2.1K sh · $27.93
Own -3%
-
Exercise·M
EVP & Chief Accounting Officer
$0
5.3K sh
Own +9%
-
Grant·A
Director
$0
1.2K sh
Own +15%
-
Grant·A
Director
$0
1.5K sh
Own +1%
-
Grant·A
Director
$0
1.2K sh
Own +4%
-
Grant·A
Director
$0
802 sh
Own +1%
-
Grant·A
Director
$0
1.2K sh
Own +3%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| May 19, 2026 | Brian L Roberts KEY | Other G | 202.5K | $0 |
| Apr 3, 2026 | Daniel C. Murdock | Exercise M | 5.3K | $0 |
| Apr 3, 2026 | Daniel C. Murdock | Other F | 2.1K | $57.9K |
| Apr 3, 2026 | Daniel C. Murdock | Exercise M | 5.3K | $0 |
| Mar 31, 2026 | Gordon Smith | Grant A | 1.2K | $0 |
| Mar 31, 2026 | Jeffrey A Honickman | Grant A | 1.5K | $0 |
| Mar 31, 2026 | Louise F. Brady | Grant A | 1.2K | $0 |
| Mar 31, 2026 | Louise F. Brady | Grant A | 802 | $0 |
| Mar 31, 2026 | Thomas J Baltimore Jr | Grant A | 1.2K | $0 |
About CMCSA insider trading
This page tracks insider transactions for COMCAST CORP (CMCSA) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.