Nishimura Mika
SEC insider (Form 3/4/5 filer). CIK 0001848327. Director at SI-BONE, Inc. (SIBN) and 1 other issuer. 6 reported Form 4/5 transactions since Sep 2024; latest on Jun 4, 2026. Located in SANTA CLARA, CA.
Companies Nishimura Mika has filed insider reports for
- SI-BONE, Inc. (SIBN): Director
- ACCURAY INC (ARAY): Director
Nishimura Mika
CIK: 0001848327
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (16.7%)
Position reduction
Option Exercises (M)1 (16.7%)
Derivative conversions
Awards (A)4 (66.7%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Jun 4, 2026SIBN
SI-BONE, Inc.
AwardDirect11K shares- - Mar 12, 2026SIBN
SI-BONE, Inc.
SaleDirect4.1K shares at avg. $13.83$57K - Nov 28, 2025ARAY
ACCURAY INC
AwardDirectRestricted Stock Units
56.6K shares- - Nov 21, 2025ARAY
ACCURAY INC
ExerciseDirect56.6K shares- - Jun 5, 2025SIBN
SI-BONE, Inc.
AwardDirect8.7K shares- - Nov 29, 2024ARAY
ACCURAY INC
AwardDirectRestricted Stock Units
56.6K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 4, 2026 |  SIBN SI-BONE, Inc. | Award | 10,957 | - | $0 | Direct |
| Mar 12, 2026 | SIBN SI-BONE, Inc. | Sale | 4,100 | $13.83 | $56,700 | Direct |
| Nov 28, 2025 |  ARAY ACCURAY INC | Award Restricted Stock Units | 56,603 | - | - | Direct |
| Nov 21, 2025 | ARAY ACCURAY INC | Exercise | 56,603 | - | - | Direct |
| Jun 5, 2025 | SIBN SI-BONE, Inc. | Award | 8,675 | - | - | Direct |
| Nov 29, 2024 | ARAY ACCURAY INC | Award Restricted Stock Units | 56,603 | - | - | Direct |
1-6 of 6 transactions