J. Duncan Smith is Secretary at Sinclair, Inc. (SBGI). They have made 29 open-market trades across 1 company since 2007, most recently 2025-12-30.
CIK 0001254011
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
6 open-market purchases totalling $25.7M since 2008, against 23 sales. Across 6 scored buys the stock is up 4.8% at ninety days, and 1.3 points ahead of the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| SBGI | 185 | $2K |
Shares reported on the most recent Form 4, priced at the 2025-12-31 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 33% | 17% | 17% |
| Avg Move | +1.1% | +2.4% | +4.8% |
| Alpha | +2.2% | -2.0% | +1.3% |
| Scored | 6 | 6 | 6 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 83% | 83% | 87% |
| Avg Move | -6.0% | +0.1% | -2.1% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SBGI | BUY | 2022-03-10 | 2022-03-14 | $26.04 | $15.5M | +11.1% | -4.6% | -21.6% |
| SBGI | SELL | 2021-04-09 | 2021-04-13 | $30.05 | $3.9M | +10.4% | +12.4% | +2.1% |
| SBGI | SELL | 2021-04-07 | 2021-04-09 | $30.05 | $8.4M | +5.7% | +11.3% | -0.5% |
| SBGI | SELL | 2021-04-05 | 2021-04-07 | $30.02 | $4.9M | +3.8% | +11.9% | +5.3% |
| SBGI | SELL | 2021-04-01 | 2021-04-05 | $30.04 | $761K | +2.2% | +9.9% | +6.1% |
| SBGI | BUY | 2020-03-17 | 2020-03-18 | $13.54 | $9.7M | +30.9% | +27.6% | +58.8% |
| SBGI | SELL | 2017-02-27 | 2017-03-01 | $40.14 | $5.6M | -1.6% | -3.3% | -21.8% |
| SBGI | SELL | 2013-05-15 | 2013-05-16 | $26.30 | $19.5M | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2011-02-15 | 2011-02-17 | $12.37 | $1.1M | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2011-02-11 | 2011-02-15 | $12.08 | $6.0M | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2011-01-05 | 2011-01-06 | $8.30 | $17K | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2011-01-03 | 2011-01-05 | $8.35 | $418K | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-12-31 | 2011-01-04 | $8.35 | $838K | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-12-27 | 2010-12-29 | $8.30 | $524K | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-12-21 | 2010-12-23 | $8.33 | $1.0M | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-12-20 | 2010-12-30 | $8.35 | $141K | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-12-17 | 2010-12-21 | $8.39 | $507K | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-09-27 | 2010-09-29 | $7.06 | $452K | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-05-11 | 2010-05-13 | $6.93 | $2.2M | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-05-10 | 2010-05-11 | $6.81 | $785K | -8.8% | -2.1% | -2.1% |
| SBGI | SELL | 2010-05-06 | 2010-05-10 | $6.69 | $982K | -8.8% | -2.1% | -2.1% |
| SBGI | BUY | 2009-05-26 | 2009-05-28 | $1.84 | $6K | -8.8% | -2.1% | -2.1% |
| SBGI | BUY | 2008-08-07 | 2008-08-08 | $6.06 | $394K | -8.8% | -2.1% | -2.1% |
| SBGI | BUY | 2008-07-10 | 2008-07-11 | $7.49 | $60K | -8.8% | -2.1% | -2.1% |
| SBGI | BUY | 2008-07-08 | 2008-07-09 | $7.64 | $76K | -8.8% | -2.1% | -2.1% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| Scored | 23 | 23 | 23 |