| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | Greylin Investment Management, Inc | 301,500 | 537,000 | 52.91% | ||
| 2 | MCDANIEL TERRY & CO | 262,222 | 404,000 | 39.80% | ||
| 3 | BLUESTEIN R H & CO LLC | 33,500 | 52,000 | 5.12% | ||
| 4 | VAUGHAN DAVID INVESTMENTS LLC/IL | 14,202 | 22,000 | 2.17% |
From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.