Claire Mazumdar

Companies

• Relay TherapeuticsBoard member Jun 11, 2025 to now¹
• Bicara Therapeutics Inc.Board member Sep 12, 2024 to now²
• Bicara Therapeutics Inc.Chief executive officer Sep 12, 2024 to Sep 10, 2026²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• BTBicara Therapeutics Inc. BCAX362,152 shares³$6.2M at $17.14Aug 10, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 10, 2026Sold 10,000 shares at $27.98 of Bicara Therapeutics Inc.³
• Aug 10, 2026Exercised options 10,000 shares at $3.79 of Bicara Therapeutics Inc.³
• Jul 10, 2026Sold 28 shares at $29.68 of Bicara Therapeutics Inc.⁴
• Jul 10, 2026Sold 9,972 shares at $28.42 of Bicara Therapeutics Inc.⁴
• Jul 10, 2026Exercised options 10,000 shares at $3.79 of Bicara Therapeutics Inc.⁴
• May 18, 2026Sold 2,978 shares at $20.35 of Bicara Therapeutics Inc.⁵
• May 18, 2026Sold 12,022 shares at $19.96 of Bicara Therapeutics Inc.⁵
• May 18, 2026Exercised options 15,000 shares at $3.79 of Bicara Therapeutics Inc.⁵
• Apr 20, 2026Sold 15,000 shares at $23.61 of Bicara Therapeutics Inc.⁶
• Apr 20, 2026Exercised options 15,000 shares at $3.79 of Bicara Therapeutics Inc.⁶
• Apr 16, 2026Exercised options 7,080 shares at $5.45 of Bicara Therapeutics Inc.⁶
• Apr 16, 2026Exercised options 7,454 shares at $3.79 of Bicara Therapeutics Inc.⁶
• Apr 16, 2026Exercised options 8,226 shares at $4.44 of Bicara Therapeutics Inc.⁶
• Mar 20, 2026Sold 1,596 shares at $18.95 of Bicara Therapeutics Inc.⁷
• Mar 20, 2026Exercised options 1,596 shares at $3.79 of Bicara Therapeutics Inc.⁷
• Mar 19, 2026Sold 6,905 shares at $18.78 of Bicara Therapeutics Inc.⁷
• Mar 19, 2026Exercised options 6,905 shares at $3.79 of Bicara Therapeutics Inc.⁷
• Mar 18, 2026Sold 6,499 shares at $18.84 of Bicara Therapeutics Inc.⁷
• Mar 18, 2026Exercised options 6,499 shares at $3.79 of Bicara Therapeutics Inc.⁷
• Mar 9, 2026Sold 36,766 shares at $19.17 of Bicara Therapeutics Inc.⁸
• Mar 9, 2026Exercised options 36,766 shares at $3.79 of Bicara Therapeutics Inc.⁸
• Mar 6, 2026Sold 3,817 shares at $18.75 of Bicara Therapeutics Inc.⁹
• Mar 6, 2026Exercised options 3,817 shares at $3.79 of Bicara Therapeutics Inc.⁹
• Mar 5, 2026Sold 1,786 shares at $18.74 of Bicara Therapeutics Inc.⁹
• Mar 5, 2026Exercised options 1,786 shares at $3.79 of Bicara Therapeutics Inc.⁹