Jeff Shell serves as Executive at COMCAST CORP, where they oversee executive responsibilities. Since joining the company, Jeff Shell has executed 38 insider transactions totaling $4.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 7, 2025 involved selling 117,017 shares valued at $1.8M.
Jeff Shell currently holds 132,983 shares of COMCAST CORP (CMCSA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jeff Shell has been a net seller of CMCSA stock. They have purchased $0 and sold $4.6M worth of shares.
Jeff Shell's most recent insider trade was on Nov 7, 2025, when they sold 117,017 shares at $15.10 per share.
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| $N/A |
| Discretionary |
| Dec 20, 2022 | CMCSA | $145.2K | Payment | 4,219 | $34.41 | Discretionary |
| Dec 20, 2022 | CMCSA | $0 | Option Exercise | 8,508 | $N/A | Discretionary |
| Mar 2, 2022 | CMCSA | $0 | Option Exercise | 16,537 | $N/A | Discretionary |
| Mar 2, 2022 | CMCSA | $380.3K | Payment | 8,200 | $46.38 | Discretionary |
| Mar 1, 2022 | CMCSA | $0 | Option Exercise | 46,462 | $N/A | Discretionary |
| Mar 1, 2022 | CMCSA | $0 | Payment | 23,038 | $N/A | Discretionary |
| Dec 20, 2021 | CMCSA | $204.2K | Payment | 4,219 | $48.40 | Discretionary |
| Dec 20, 2021 | CMCSA | $0 | Option Exercise | 8,508 | $N/A | Discretionary |
| Mar 1, 2021 | CMCSA | $259.0K | Payment | 4,756 | $54.45 | Discretionary |
| Mar 1, 2021 | CMCSA | $0 | Option Exercise | 9,978 | $N/A | Discretionary |
| Mar 1, 2021 | CMCSA | $0 | Option Exercise | 9,591 | $N/A | Discretionary |
| Mar 1, 2021 | CMCSA | $269.4K | Payment | 4,948 | $54.45 | Discretionary |
| Mar 1, 2021 | CMCSA | $0 | Option Exercise | 10,263 | $N/A | Discretionary |
| Mar 1, 2021 | CMCSA | $0 | Option Exercise | 29,728 | $N/A | Discretionary |
| Mar 1, 2021 | CMCSA | $802.6K | Payment | 14,740 | $54.45 | Discretionary |
| Mar 1, 2021 | CMCSA | $277.1K | Payment | 5,089 | $54.45 | Discretionary |
| Jan 29, 2021 | CMCSA | $496 | Payment | 10 | $49.57 | Discretionary |
| Jan 29, 2021 | CMCSA | $0 | Option Exercise | 20 | $N/A | Discretionary |
| Dec 20, 2020 | CMCSA | $214.7K | Payment | 4,219 | $50.90 | Discretionary |
| Dec 20, 2020 | CMCSA | $0 | Option Exercise | 8,508 | $N/A | Discretionary |
| Dec 2, 2020 | CMCSA | $286.0K | Sale | 5,582 | $51.23 | Discretionary |
| Dec 2, 2020 | CMCSA | $193.9K | Option Exercise | 15,500 | $12.51 | Discretionary |
| Dec 2, 2020 | CMCSA | $508.1K | Payment | 9,918 | $51.23 | Discretionary |
| Aug 3, 2020 | CMCSA | $3.7M | Option Exercise | 294,500 | $12.51 | Discretionary |
| Aug 3, 2020 | CMCSA | $4.3M | Sale | 99,484 | $42.91 | Discretionary |
| Aug 3, 2020 | CMCSA | $8.4M | Payment | 195,016 | $42.98 | Discretionary |
| Mar 2, 2020 | CMCSA | $0 | Option Exercise | 29,408 | $N/A | Discretionary |
| Mar 2, 2020 | CMCSA | $620.0K | Payment | 14,581 | $42.52 | Discretionary |