Kenneth L. Stewart is Director at Matador Resources Co (MTDR). They have made 6 open-market trades across 1 company since 2017, most recently 2026-08-10.
CIK 0001698242
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 $893K since 2017, never a sale. Across 6 scored buys the stock is up 81.4% at ninety days, and 75.5 points ahead of the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| MTDR | 84,747 | $4.9M |
Shares reported on the most recent Form 4, priced at the 2026-08-12 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 17% | 33% | 33% |
| Avg Move | -14.9% | -2.5% | +81.4% |
| Alpha | -10.0% | +0.7% | +75.5% |
| Scored | 6 | 6 | 6 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MTDR | BUY | 2020-08-20 | 2020-08-24 | $9.81 | $10K | -4.8% | -18.2% | +7.7% |
| MTDR | BUY | 2020-03-09 | 2020-03-11 | $2.18 | $22K | +14.5% | +95.4% | +538.2% |
| MTDR | BUY | 2020-03-03 | 2020-03-04 | $9.88 | $198K | -81.5% | -70.7% | -7.9% |
| MTDR | BUY | 2019-05-24 | 2019-05-29 | $17.76 | $178K | -4.8% | +12.5% | -16.2% |
| MTDR | BUY | 2018-11-14 | 2018-11-15 | $24.40 | $244K | -7.3% | -31.6% | -27.2% |
| MTDR | BUY | 2017-02-28 | 2017-03-02 | $24.23 | $242K | -5.5% | -2.4% | -6.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.