Mika Nishimura - Jun 5, 2025 Form 4 Insider Report for SI-BONE, Inc. (SIBN)

Role: Director
Signature: /s/ Michael Pisetsky, Attorney-in-Fact for Mika Nishimura
Stock symbol: SIBN
Transactions as of: Jun 5, 2025
Transactions value $: $0
Form type: 4
Date filed: 6/6/2025, 07:46 PM
Previous filing: Dec 3, 2024
Next filing: Nov 25, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Nishimura Mika	Director	C/O SI-BONE, INC., 471 EL CAMINO REAL, SUITE 101, SANTA CLARA	/s/ Michael Pisetsky, Attorney-in-Fact for Mika Nishimura	2025-06-06	0001848327

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SIBN	Common Stock	Award	$0	+8.68K	+30.83%	$0.00	36.8K	Jun 5, 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.
F2	Includes 8,675 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Content

Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.

Includes 8,675 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.