| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| EW HEALTHCARE PARTNERS FUND 2, L.P. | 17.32% | $11,572,064 | 7,714,709 | EW Healthcare Partners Fund 2 GP, L.P. | 17 Nov 2025 | |||
| Nantahala Capital Management, LLC | 12.9% | +29.1% | $4,804,893 | +$1,069,026 | 5,111,588 | +28.6% | Nantahala Capital Management, LLC | 30 Apr 2025 |
| NORTH RUN CAPITAL, LP | 9.3% | +86% | $3,608,839 | +$1,666,000 | 3,682,489 | +85.8% | North Run Capital, LP | 31 Mar 2025 |
| SILVERARC CAPITAL MANAGEMENT, LLC | 7.8% | $2,881,710 | 3,065,649 | SilverArc Capital Management, LLC | 31 Dec 2024 | |||
| LYTTON LAURENCE W | 7.2% | -14.4% | $4,269,304 | -$832,740 | 2,865,305 | -16.3% | Lytton, Laurence W. | 30 Sep 2025 |
| Stonepine Capital Management, LLC | 6% | $2,211,913 | 2,353,099 | Stonepine Capital Management, LLC | 31 Dec 2024 | |||
| HIRSCHMAN ORIN | 3.6% | -45.7% | $1,331,344 | -$1,171,674 | 1,416,323 | -46.8% | Orin Hirschman | 31 Mar 2025 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 23,562,953 | $35,108,965 | +$70,979 | $1.49 | 40 |
| 2025 Q2 | 23,475,441 | $45,542,765 | -$775,817 | $1.94 | 45 |
| 2025 Q1 | 24,589,431 | $30,000,578 | -$5,393,768 | $1.22 | 47 |
| 2024 Q4 | 27,032,996 | $81,640,185 | +$27,788,571 | $3.02 | 46 |
| 2024 Q3 | 18,012,190 | $45,588,967 | -$10,956,793 | $2.53 | 48 |
| 2024 Q2 | 19,879,104 | $93,430,843 | -$6,702,626 | $4.7 | 67 |
| 2024 Q1 | 20,686,484 | $117,292,014 | -$1,655,166 | $5.67 | 58 |
| 2023 Q4 | 20,961,753 | $138,767,513 | -$8,011,684 | $6.62 | 59 |
| 2023 Q3 | 21,852,278 | $174,816,904 | -$1,837,658 | $8 | 66 |
| 2023 Q2 | 22,055,151 | $223,420,734 | +$51,494,354 | $10.13 | 67 |
| 2023 Q1 | 16,939,491 | $180,199,912 | -$5,749,423 | $10.64 | 54 |
| 2022 Q4 | 17,430,212 | $200,446,271 | +$6,246,137 | $11.5 | 49 |
| 2022 Q3 | 16,786,563 | $143,023,324 | +$28,855,257 | $8.52 | 43 |
| 2022 Q2 | 13,534,368 | $95,028,004 | +$13,917,248 | $7.01 | 31 |
| 2022 Q1 | 11,160,859 | $129,798,000 | +$6,753,935 | $11.63 | 29 |
| 2021 Q4 | 10,531,506 | $134,807,000 | -$160,970 | $12.8 | 34 |
| 2021 Q3 | 10,239,091 | $139,838,000 | -$320,790 | $13.66 | 35 |
| 2021 Q2 | 10,239,149 | $164,948,850 | +$6,022,396 | $16.11 | 43 |
| 2021 Q1 | 9,891,266 | $147,387,000 | +$2,988,786 | $14.9 | 46 |
| 2020 Q4 | 9,690,658 | $145,766,000 | -$988,972 | $15.04 | 47 |
| 2020 Q3 | 9,752,756 | $161,293,000 | +$2,115,756 | $16.54 | 43 |
| 2020 Q2 | 9,735,757 | $126,197,000 | +$43,684,111 | $12.96 | 49 |
| 2020 Q1 | 6,476,845 | $50,649,000 | -$2,643,965 | $7.82 | 26 |
| 2019 Q4 | 6,384,233 | $82,677,000 | +$79,084,000 | $12.95 | 22 |