M
$ Value
$161K
Shares
29,500
Price
$5
Filed
Dec 18
Insider
Name
Mazumdar Claire
Title
Chief Executive Officer
CIK
0002034671
Roles
Director
Officer
Transaction Details
Transaction Date
2025-12-16
Code
M
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
339,392
Footnotes
The shares underlying this option vest in sixteen equal quarterly installments following December 14, 2023, subject to the Reporting Person's continued service on each such vesting date.
Filing Info
Mazumdar Claire's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-20 | BCAX | M | $57K |
| 2026-04-20 | BCAX | ▼ | $354K |
| 2026-04-20 | BCAX | M | $0 |
| 2026-04-16 | BCAX | M | $36K |
| 2026-04-16 | BCAX | M | $28K |
| 2026-04-16 | BCAX | M | $39K |
| 2026-04-16 | BCAX | M | $0 |
| 2026-04-16 | BCAX | M | $0 |
| 2026-04-16 | BCAX | M | $0 |
| 2026-03-20 | BCAX | M | $6K |
Other Insiders at BCAX (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | $40.0M | — | 2026-02-26 |
|
Meisner Lara
Chief Legal Officer
|
— | — | 2026-02-02 |
|
Cohlhepp Ryan
President and COO
|
— | $984K | 2026-04-15 |
|
Hyep Ivan
Chief Financial Officer
|
— | $717K | 2026-04-21 |
|
Mazumdar Claire
Chief Executive Officer
|
— | $1.5M | 2026-04-20 |
|
Raben David
Chief Medical Officer
|
— | $410K | 2026-03-25 |