| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-10-07 | SCHEDULE 13G | GRACE & WHITE INC /NY | — | — | view → | |
| 2020-08-26 | SC | Nierenberg Investment Management Company, Inc. | — | — | view → | |
| 2019-02-08 | SC | Nierenberg Investment Management Company, Inc. | — | — | view → | |
| 2018-05-15 | SC | Lemelson Capital Management LLC | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 318,326 | 3.22 | -20.4% |
| 2026-09-30 | 400,131 | 4.58 | -7.0% |
| 2026-09-15 | 430,092 | 7.86 | -3.1% |
| 2026-08-31 | 443,972 | 4.15 | +2.9% |
| 2026-08-14 | 431,604 | 1.99 | -14.8% |
| 2026-07-31 | 506,461 | 6.17 | +8.0% |
| 2026-07-15 | 468,923 | 4.27 | +4.7% |
| 2026-06-30 | 447,785 | 2.62 | -9.3% |
| 2026-06-15 | 493,461 | 3.15 | -21.2% |
| 2026-05-29 | 625,949 | 3.80 | -8.9% |
| 2026-05-15 | 687,004 | 2.08 | -9.6% |
| 2026-04-30 | 759,586 | 4.63 | -14.8% |
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