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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| BCAX | Mazumdar Claire | Chief Executive Officer | May 18 '26 | Sale | 20.04 | 15,000 | 300,579 | 362,152 | May 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | May 18 '26 | Option Exercise | 3.79 | 30,000 | 113,694 | 377,152 | May 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Apr 20 '26 | Sale | 23.61 | 15,000 | 354,146 | 362,152 | Apr 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Apr 20 '26 | Option Exercise | 3.79 | 30,000 | 113,694 | 377,152 | Apr 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Apr 16 '26 | Option Exercise | 4.54 | 45,520 | 206,718 | 558,432 | Apr 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 20 '26 | Sale | 18.95 | 1,596 | 30,246 | 339,392 | Mar 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 20 '26 | Option Exercise | 3.79 | 3,192 | 12,098 | 340,988 | Mar 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 19 '26 | Sale | 18.78 | 6,905 | 129,705 | 339,392 | Mar 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 19 '26 | Option Exercise | 3.79 | 13,810 | 52,338 | 346,297 | Mar 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 18 '26 | Option Exercise | 3.79 | 12,998 | 49,260 | 345,891 | Mar 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 18 '26 | Sale | 18.84 | 6,499 | 122,415 | 339,392 | Mar 20 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 06 '26 | Sale | 18.75 | 3,817 | 71,572 | 339,392 | Mar 06 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 06 '26 | Option Exercise | 3.79 | 7,634 | 28,932 | 343,209 | Mar 06 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 05 '26 | Option Exercise | 3.79 | 3,572 | 13,538 | 341,178 | Mar 06 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 05 '26 | Sale | 18.74 | 1,786 | 33,464 | 339,392 | Mar 06 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 04 '26 | Sale | 18.73 | 2,631 | 49,289 | 339,392 | Mar 06 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Mar 04 '26 | Option Exercise | 3.79 | 5,262 | 19,942 | 342,023 | Mar 06 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Dec 16 '25 | Option Exercise | 5.45 | 59,000 | 321,768 | 565,512 | Dec 18 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Nov 24 '25 | Option Exercise | 3.79 | 82,326 | 312,000 | 351,055 | Nov 25 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Nov 24 '25 | Sale | 18.86 | 41,163 | 776,429 | 309,892 | Nov 25 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Oct 15 '25 | Option Exercise | 3.79 | 26,578 | 100,726 | 323,181 | Oct 15 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Oct 15 '25 | Sale | 18.84 | 13,289 | 250,391 | 309,892 | Oct 15 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Oct 13 '25 | Sale | 18.92 | 11,445 | 216,545 | 309,892 | Oct 15 12:00 AM |
| BCAX | Mazumdar Claire | Chief Executive Officer | Oct 13 '25 | Option Exercise | 3.79 | 22,890 | 86,748 | 321,337 | Oct 15 12:00 AM |