Mika Nishimura

Companies

• ACCURAY INCBoard member Aug 25, 2021 to now¹
• SI-Bone (United States)Board member Mar 8, 2021 to now²

Holdings

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

Shares held

• SI-Bone (United States) SIBN43,673 shares³$855.1K at $19.58Jun 4, 2026
• AACCURAY INC ARAY212,659 shares⁴$29.3K at $0.14Nov 21, 2025

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

Recent filings

• Jun 4, 2026Granted 10,957 shares of SI-Bone (United States)³
• Mar 12, 2026Sold 4,100 shares at $13.83 of SI-Bone (United States)⁵
• Nov 21, 2025Exercised options 56,603 shares of ACCURAY INC⁴
• Jun 5, 2025Granted 8,675 shares of SI-Bone (United States)⁶
• Jun 26, 2024Granted 8,791 shares of SI-Bone (United States)⁷
• Mar 13, 2024Sold 2,500 shares at $16.22 of SI-Bone (United States)⁸
• Nov 30, 2023Granted 56,603 shares of ACCURAY INC⁹
• Jun 9, 2023Granted 4,866 shares of SI-Bone (United States)¹⁰
• Nov 30, 2022Granted 59,055 shares of ACCURAY INC¹¹
• Jun 16, 2022Granted 8,324 shares of SI-Bone (United States)¹²
• Nov 30, 2021Granted 31,185 shares at $4.81 of ACCURAY INC¹³