A
$ Value
$0
Shares
450,000
Price
$0
Filed
Feb 4
Insider
Name
Mazumdar Claire
Title
Chief Executive Officer
CIK
0002034671
Roles
Director
Officer
Transaction Details
Transaction Date
2026-02-02
Code
A
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
450,000
Footnotes
The shares underlying this option vest in sixteen equal quarterly installments following February 2, 2026, 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 |