| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 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 |
|---|---|---|---|
| 2026-05-29 | 625,949 | 3.80 | -8.9% |
| 2026-05-15 | 687,004 | 2.08 | -9.6% |
| 2026-04-30 | 759,586 | 4.63 | -14.8% |
| 2026-04-15 | 891,103 | 3.77 | +5.4% |
| 2026-03-31 | 845,424 | 4.44 | -7.8% |
| 2026-03-13 | 916,968 | 4.39 | +10.3% |
| 2026-02-27 | 831,716 | 4.56 | +2.4% |
| 2026-02-13 | 812,550 | 1.94 | +14.6% |
| 2026-01-30 | 709,093 | 3.14 | -16.0% |
| 2026-01-15 | 844,329 | 3.80 | +10.6% |
| 2025-12-31 | 763,360 | 4.80 | +1.3% |
| 2025-12-15 | 753,256 | 3.06 | +8.1% |
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