InsiderFlow

CMCSA

Comcast Corporation$27.73+0.23 (+0.82%)
Prev Close$27.51·MCap$108.33B·P/E5.40·Vol11.00M·Yield0.04%

Buys (12M)

0

$0.00

Sells (12M)

10

$3.02M

Net Activity

Net Seller

$3.02M

Active Insiders

7

last 12 mo

Over the past 12 months, insider activity at Comcast Corporation (CMCSA) has been exclusively selling, with 0 insider purchases totaling $0.00 and 10 insider sales totaling $3.02M. The most recent insider transaction was by Armstrong Jason (officer: CFO), who sold $142.6K worth of shares on Mar 6, 2026. Comcast Corporation operates in the Communication Services sector, within the Telecommunications Services industry, with a market cap of $108.33B.

CMCSA Insider Trading Activity

DateInsiderTypeValue
Mar 6, 2026 Armstrong JasonSell$142.6K
Feb 13, 2026 Cavanagh Michael JSell$1.89M
Feb 4, 2026 NAKAHARA ASUKASell$245.8K
Jan 22, 2026 Armstrong JasonSell$112.3K
Jan 22, 2026 Murdock Daniel C.Sell$13.6K
Jan 22, 2026 Reid Thomas J.Sell$131.2K
Nov 21, 2025 Lucas Wonya YSell$7.4K
Jun 20, 2025 Murdock Daniel C.Sell$92.0K
Jun 6, 2025 Armstrong JasonSell$138.0K
May 23, 2025 Khoury JenniferSell$247.7K
Apr 2, 2025 Murdock Daniel C.Sell$55.7K
Mar 7, 2025 ROBERTS BRIAN LSell$29.26M
Mar 4, 2025 Armstrong JasonSell$105.9K
Mar 4, 2025 Cavanagh Michael JSell$2.58M
Mar 4, 2025 Khoury JenniferSell$103.9K
Mar 4, 2025 Murdock Daniel C.Sell$96.8K
Mar 4, 2025 Reid Thomas J.Sell$2.18M
Mar 4, 2025 ROBERTS BRIAN LSell$1.53M
Nov 29, 2024 Cavanagh Michael JSell$5.66M
Nov 29, 2024 ROBERTS BRIAN LSell$20.06M
Nov 25, 2024 BACON KENNETH JSell$625.1K
Nov 7, 2024 Armstrong JasonSell$1.04M
Jan 30, 2024 Cavanagh Michael JSell$5.29M
Nov 22, 2023 Armstrong JasonSell$1.78M
Nov 15, 2023 ROBERTS BRIAN LSell$25.83M
Dec 15, 2022 BACON KENNETH JSell$71.8K
May 31, 2022 Murdock Daniel C.Sell$397.3K
Mar 14, 2022 WATSON DAVID NSell$2.99M
Jun 7, 2021 BACON KENNETH JSell$229.3K
May 11, 2021 BACON KENNETH JSell$233.3K
May 4, 2021 Murdock Daniel C.Sell$557.4K
Apr 30, 2021 ROBERTS BRIAN LSell$39.17M
Mar 5, 2021 Miller Adam LouisSell$1.81M
Mar 5, 2021 Montiel Maritza GomezSell$325.4K

CMCSA Insider Buying Activity

The following table shows recent insider purchases of Comcast Corporation (CMCSA) stock reported via SEC Form 4 filings.

No insider buying activity found for CMCSA in the last 12 months.

CMCSA Insider Selling Activity

The following table shows recent insider sales of Comcast Corporation (CMCSA) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Mar 6, 2026 Armstrong JasonSell$142.6K
Feb 13, 2026 Cavanagh Michael JSell$1.89M
Feb 4, 2026 NAKAHARA ASUKASell$245.8K
Jan 22, 2026 Armstrong JasonSell$112.3K
Jan 22, 2026 Murdock Daniel C.Sell$13.6K
Jan 22, 2026 Reid Thomas J.Sell$131.2K
Nov 21, 2025 Lucas Wonya YSell$7.4K
Jun 20, 2025 Murdock Daniel C.Sell$92.0K
Jun 6, 2025 Armstrong JasonSell$138.0K
May 23, 2025 Khoury JenniferSell$247.7K
Apr 2, 2025 Murdock Daniel C.Sell$55.7K
Mar 7, 2025 ROBERTS BRIAN LSell$29.26M
Mar 4, 2025 Armstrong JasonSell$105.9K
Mar 4, 2025 Cavanagh Michael JSell$2.58M
Mar 4, 2025 Khoury JenniferSell$103.9K
Mar 4, 2025 Murdock Daniel C.Sell$96.8K
Mar 4, 2025 Reid Thomas J.Sell$2.18M
Mar 4, 2025 ROBERTS BRIAN LSell$1.53M
Nov 29, 2024 Cavanagh Michael JSell$5.66M
Nov 29, 2024 ROBERTS BRIAN LSell$20.06M
Nov 25, 2024 BACON KENNETH JSell$625.1K
Nov 7, 2024 Armstrong JasonSell$1.04M
Jan 30, 2024 Cavanagh Michael JSell$5.29M
Nov 22, 2023 Armstrong JasonSell$1.78M
Nov 15, 2023 ROBERTS BRIAN LSell$25.83M
Dec 15, 2022 BACON KENNETH JSell$71.8K
May 31, 2022 Murdock Daniel C.Sell$397.3K
Mar 14, 2022 WATSON DAVID NSell$2.99M
Jun 7, 2021 BACON KENNETH JSell$229.3K
May 11, 2021 BACON KENNETH JSell$233.3K
May 4, 2021 Murdock Daniel C.Sell$557.4K
Apr 30, 2021 ROBERTS BRIAN LSell$39.17M
Mar 5, 2021 Miller Adam LouisSell$1.81M
Mar 5, 2021 Montiel Maritza GomezSell$325.4K

CMCSA Insiders

Armstrong Jason

officer: CFO

Sold $3.32M
6 tradesLast: Mar 6, 2026
Cavanagh Michael J

President

Sold $15.42M
4 tradesLast: Feb 13, 2026
NAKAHARA ASUKA

Director

Sold $245.8K
1 tradesLast: Feb 4, 2026
Murdock Daniel C.

EVP & Chief Accounting Officer

Sold $1.21M
6 tradesLast: Jan 22, 2026
Reid Thomas J.

Chief Legal Officer, Secretary

Sold $2.31M
2 tradesLast: Jan 22, 2026
Lucas Wonya Y

Director

Sold $7.4K
1 tradesLast: Nov 21, 2025
Khoury Jennifer

Chief Communications Officer

Sold $351.6K
2 tradesLast: May 23, 2025
ROBERTS BRIAN L

Chairman of Board, Pres. & CEO

Sold $115.86M
5 tradesLast: Mar 7, 2025
BACON KENNETH J

Director

Sold $1.16M
4 tradesLast: Nov 25, 2024
WATSON DAVID N

CEO - Comcast Cable

Sold $2.99M
1 tradesLast: Mar 14, 2022
Miller Adam Louis

EVP

Sold $1.81M
1 tradesLast: Mar 5, 2021
Montiel Maritza Gomez

Director

Sold $325.4K
1 tradesLast: Mar 5, 2021