Mika Nishimura - 12 Mar 2026 Form 4 Insider Report for SI-BONE, Inc. (SIBN)

Role: Director
Signature: /s/ Michael Pisetsky, Attorney-in-Fact for Mika Nishimura
Issuer symbol: SIBN
Transactions as of: 12 Mar 2026
Net transactions value: -$56,700
Form type: 4
Filing time: 13 Mar 2026, 17:07:55 UTC
Previous filing: 02 Dec 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	13 Mar 2026	0001848327

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SIBN	Common Stock	Sale	$56,700	-4,100	-11%	$13.83	32,716	12 Mar 2026	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades at prices ranging from $13.82 USD to $13.86 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
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

This transaction was executed in multiple trades at prices ranging from $13.82 USD to $13.86 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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.