Mika Nishimura to Leave Accuray Board After 2026 Annual Meeting
Accuray director Mika Nishimura will not seek re-election and will leave the board after the 2026 annual meeting. She will continue as Compensation Committee Chair until then. The departure is not due to any disagreement with the company or board, according to the SEC filing.
How this was made

The 30-second read
Why it matters
The filing provides the first public notice of the director's departure, offering a brief window for traders to adjust positions if they view board changes as material.
Market read
Limited relevance; primarily a corporate governance update with modest trading impact.
What to watch
Potential upcoming board reshuffle or new appointments that could affect governance perception.
Background
Accuray Inc (ARAY) filed an 8‑K reporting a board member's decision not to seek re‑election, a standard corporate governance disclosure.
Ticker impact
SEC 8‑K filing announces director Mika Nishimura will not stand for re‑election and will step down after the 2026 annual meeting.
likely slight downward pressure as investors reassess board composition
Director departures are routine and typically have limited impact unless tied to strategic shifts.
Market effects
minimal effect on the medical device sector
none
low
Counterpoint
If the departing director was a key advocate for upcoming initiatives, his exit could signal future strategic delays.
Key entities
- IndividualMika Nishimura
Class II director and Compensation Committee Chair at Accuray
- CompanyAccuray Inc
Medical device manufacturer listed on NASDAQ under ARAY




