Mazumdar Claire
SEC insider (Form 3/4/5 filer). CIK 0002034671. Chief Executive Officer at Bicara Therapeutics Inc. (BCAX) and 1 other issuer. 39 reported Form 4/5 transactions since Sep 2024; latest on Aug 10, 2026. Located in BOSTON, MA.
Companies Mazumdar Claire has filed insider reports for
- Bicara Therapeutics Inc. (BCAX): Director, Officer, Chief Executive Officer
- Relay Therapeutics, Inc. (RLAY): Director
Mazumdar Claire
CIK: 0002034671
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (39 total)
- Aug 10, 2026BCAX
Bicara Therapeutics Inc.
SaleDirect10K shares at avg. $27.98$280K - Aug 10, 2026BCAX
Bicara Therapeutics Inc.
ExerciseDirect10K shares at avg. $3.79$38K - Jul 10, 2026BCAX
Bicara Therapeutics Inc.
SaleDirect10K shares at avg. $28.42$283K - Jul 10, 2026BCAX
Bicara Therapeutics Inc.
ExerciseDirect10K shares at avg. $3.79$38K - Jul 10, 2026BCAX
Bicara Therapeutics Inc.
SaleDirect28 shares at avg. $29.68$831.04 - Jun 9, 2026RLAY
Relay Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
32.9K shares- - May 18, 2026BCAX
Bicara Therapeutics Inc.
SaleDirect12K shares at avg. $19.96$240K - May 18, 2026BCAX
Bicara Therapeutics Inc.
SaleDirect3K shares at avg. $20.35$61K - May 18, 2026BCAX
Bicara Therapeutics Inc.
ExerciseDirect15K shares at avg. $3.79$57K - Apr 20, 2026BCAX
Bicara Therapeutics Inc.
ExerciseDirect15K shares at avg. $3.79$57K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 10, 2026 |  BCAX Bicara Therapeutics Inc. | Sale | 10,000 | $27.98 | $279,750 | Direct |
| Aug 10, 2026 | BCAX Bicara Therapeutics Inc. | Exercise | 10,000 | $3.79 | $37,898 | Direct |
| Jul 10, 2026 | BCAX Bicara Therapeutics Inc. | Sale | 9,972 | $28.42 | $283,367 | Direct |
| Jul 10, 2026 | BCAX Bicara Therapeutics Inc. | Exercise | 10,000 | $3.79 | $37,898 | Direct |
| Jul 10, 2026 | BCAX Bicara Therapeutics Inc. | Sale | 28 | $29.68 | $831 | Direct |
| Jun 9, 2026 |  RLAY Relay Therapeutics, Inc. | Award Stock Option (Right to Buy) | 32,947 | - | - | Direct |
| May 18, 2026 | BCAX Bicara Therapeutics Inc. | Sale | 12,022 | $19.96 | $239,982 | Direct |
| May 18, 2026 | BCAX Bicara Therapeutics Inc. | Sale | 2,978 | $20.35 | $60,597 | Direct |
| May 18, 2026 | BCAX Bicara Therapeutics Inc. | Exercise | 15,000 | $3.79 | $56,847 | Direct |
| Apr 20, 2026 | BCAX Bicara Therapeutics Inc. | Exercise | 15,000 | $3.79 | $56,847 | Direct |
1-10 of 39 transactions