SI-BONE, Inc. — Director's Dealing 2025

Nov 13, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SI-BONE, Inc. (SIBN)
CIK: 0001459839
Period of Report: 2025-11-11

Reporting Person: DUNN JEFFREY W (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-11	Common Stock	S	23148.00	$18.95	Disposed	10307.00	Direct
2025-11-11	Common Stock	M	23148.00	$4.32	Acquired	33455.00	Direct
2025-11-11	Common Stock	M	56852.00	$4.32	Acquired	90307.00	Direct
2025-11-11	Common Stock	S	56852.00	$18.95	Disposed	10307.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-11	Stock Option (Right to Buy)	$4.32	M	23148.00	Disposed	2026-07-26	Common Stock (23148.00)	Direct
2025-11-11	Stock Option (Right to Buy)	$4.32	M	56852.00	Disposed	2026-07-26	Common Stock (56852.00)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	118874.00	Indirect

Footnotes

F1: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated May 7th, 2025.

F2: Includes 10,307 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.

F3: Reflects the transfer of shares from the Reporting Person to The Jeffrey W. Dunn Living Trust dated May 17, 2012.

F4: Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012.

F5: The shares subject to the option vest in equal monthly installments over four years commencing on the vesting commencement date, subject to Reporting Person's continued service through each relevant vesting date.