SI-BONE, Inc. — Director's Dealing 2023

May 6, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SI-BONE, Inc. (SIBN)
CIK: 0001459839
Period of Report: 2023-04-26

Reporting Person: DUNN JEFFREY W (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-03	Common Stock	A	9795.00	$0.00	Acquired	85166.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-04-26	Stock Options (Right to buy)	$22.00	G	126247.00	Disposed	2029-01-15	Common Stock (126247.00)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	132580.00	Indirect

Footnotes

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 over three years
beginning on May 1, 2023, and will be released in quarterly installments commencing on August 1, 2023, subject to the Reporting Person's continued service through each relevant vesting date.

F2: Represents shares issuable on settlement of restricted stock units granted to the Reporting Person.

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 reported transaction involves the Reporting Person's transfer of options to trusts for the benefit of Reporting Person's grandchildren.

F6: The shares subject to the option are fully vested.