J. Duncan Smith serves as Executive at SINCLAIR BROADCAST GROUP INC, where they oversee executive responsibilities. Since joining the company, J. Duncan Smith has executed 121 insider transactions totaling $56.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 30, 2025 involved gifting 13,600 shares valued at $0.
J. Duncan Smith currently holds 185 shares of SINCLAIR BROADCAST GROUP INC (SBGI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, J. Duncan Smith has been a net seller of SBGI stock. They have purchased $536.3K and sold $55.9M worth of shares.
J. Duncan Smith's most recent insider trade was on Dec 30, 2025, when they sold 13,600 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Apr 12, 2021 | SBGI | $0 | Other | 69,366 | $N/A | Discretionary |
| Apr 12, 2021 | SBGI | $2.1M | Sale | 69,366 | $30.00 | Discretionary |
| Apr 9, 2021 | SBGI | $0 | Other | 31,025 | $N/A | Discretionary |
| Apr 9, 2021 | SBGI | $933.9K | Sale | 31,025 | $30.10 | Discretionary |
| Apr 8, 2021 | SBGI | $4.5M | Sale | 150,000 | $30.01 | Discretionary |
| Apr 8, 2021 | SBGI | $0 | Other | 150,000 | $N/A | Discretionary |
| Apr 7, 2021 | SBGI | $2.0M | Sale | 65,036 | $30.09 | Discretionary |
| Apr 7, 2021 | SBGI | $0 | Other | 65,036 | $N/A | Discretionary |
| Apr 6, 2021 | SBGI | $1.4M | Sale | 48,243 | $30.03 | Discretionary |
| Apr 6, 2021 | SBGI | $0 | Other | 48,243 | $N/A | Discretionary |
| Apr 5, 2021 | SBGI | $0 | Other | 66,289 | $N/A | Discretionary |
| Apr 5, 2021 | SBGI | $2.0M | Sale | 66,289 | $30.00 | Discretionary |
| Apr 1, 2021 | SBGI | $380.5K | Sale | 12,667 | $30.04 | Discretionary |
| Apr 1, 2021 | SBGI | $0 | Other | 12,667 | $N/A | Discretionary |
| Mar 29, 2021 | SBGI | $0 | Gift | 10,000 | $N/A | Discretionary |
| Mar 29, 2021 | SBGI | $0 | Other | 10,000 | $N/A | Discretionary |
| Dec 20, 2018 | SBGI | $0 | Gift | 248,000 | $N/A | Discretionary |
| Dec 20, 2018 | SBGI | $0 | Gift | 248,000 | $N/A | Discretionary |
| Sep 20, 2017 | SBGI | $0 | Gift | 500,000 | $N/A | Discretionary |
| Sep 20, 2017 | SBGI | $0 | Award | 500,000 | $N/A | Discretionary |
| Feb 28, 2017 | SBGI | $0 | Gift | 10,000 | $N/A | Discretionary |
| Feb 28, 2017 | SBGI | $2.1M | Sale | 53,529 | $40.10 | Discretionary |
| Feb 27, 2017 | SBGI | $663.6K | Sale | 16,471 | $40.29 | Discretionary |
| Jun 29, 2015 | SBGI | $0 | Gift | 10,000 | $N/A | Discretionary |
| Jul 8, 2014 | SBGI | $0 | Gift | 10,000 | $N/A | Discretionary |
| Aug 22, 2013 | SBGI | $0 | Gift | 10,000 | $N/A | Discretionary |
| May 15, 2013 | SBGI | $16.8M | Sale | 639,816 | $26.30 | Discretionary |
| May 15, 2013 | SBGI | $2.6M | Sale | 99,999 | $26.30 | Discretionary |