$ Value
$354K
Shares
15,000
Price
$24
Filed
Apr 20
Insider
Name
Mazumdar Claire
Title
Chief Executive Officer
CIK
0002034671
Roles
Transaction Details
Transaction Date
2026-04-20
Code
S
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
362,152
Footnotes
This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on February 12, 2025. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $23.355 to $23.81, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected. | The shares underlying this option vest in sixteen equal quarterly installments following October 4, 2022, subject to the Reporting Person's continued service on each such vesting date. | The shares underlying this option vest in sixteen equal quarterly installments following April 5, 2023, subject to the Reporting Person's continued service on each such vesting date. | 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. | The shares underlying this option vest in sixteen equal quarterly installments following August 8, 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
|
— | $1.1M | 2026-04-20 |
|
Raben David
Chief Medical Officer
|
— | $410K | 2026-03-25 |