Mika Nishimura
CIK 1848327 · View on SEC EDGAR ↗
Insider
First SEC filing: June 8, 2026 · Latest: June 8, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 9 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 4, 2026 | SIBN | A | 10,957 | — | — | 43,673 | — | — | (price as of 2026-08-19) |
| Nov. 28, 2025 | ARAY | A | 56,603 | — | — | 56,603 Direct | — | Acquired | (price as of 2026-08-19) |
| Nov. 21, 2025 | ARAY | M | 56,603 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Nov. 21, 2025 | ARAY | M | 56,603 | — | — | 212,659 Direct | +36.27% | Acquired | (price as of 2026-08-19) |
| Nov. 29, 2024 | ARAY | A | 56,603 | — | — | 56,603 Direct | — | Acquired | (price as of 2026-08-19) |
| Nov. 30, 2023 | ARAY | A | 56,603 | — | — | 156,056 Direct | +56.91% | Acquired | (price as of 2026-08-19) |
| Nov. 30, 2022 | ARAY | A | 59,055 | — | — | 99,453 Direct | +146.18% | Acquired | (price as of 2026-08-19) |
| Nov. 30, 2021 | ARAY | A | 31,185 | $4.81 | $150,000 | 40,398 Direct | +338.49% | Acquired | -93.5% (price as of 2026-08-19) |
| Aug. 31, 2021 | ARAY | A | 9,213 | $4.07 | $37,497 | 9,213 Direct | — | Acquired | -92.3% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Nov. 28, 2025 | ARAY | Restricted Stock Units [F1] | Common Stock (56,603) | $0.00 | — | 56,603 | Acquired |
| Nov. 21, 2025 | ARAY | Restricted Stock Units [F1] | Common Stock (56,603) | $0.00 | — | 56,603 | Disposed |
| Nov. 29, 2024 | ARAY | Restricted Stock Units [F1] | Common Stock (56,603) | $0.00 | — | 56,603 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).