SI-BONE, Inc. — Director's Dealing 2019

May 30, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SI-BONE, Inc. (SIBN)
CIK: 0001459839
Period of Report: 2019-05-28

Reporting Person: FRANCIS LAURA (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-28	Common Stock	M	2518.00	$4.32	Acquired	73042.00	Direct
2019-05-28	Common Stock	M	3968.00	$4.32	Acquired	77010.00	Direct
2019-05-28	Common Stock	S	3968.00	$15.9667	Disposed	73042.00	Direct
2019-05-28	Common Stock	S	2518.00	$15.9667	Disposed	70524.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-05-28	Stock Option (Right to Buy)	$4.32	M	2518.00	Disposed	2025-05-25	Common Stock (2518.00)	Direct
2019-05-28	Stock Option (Right to Buy)	$4.32	M	3968.00	Disposed	2025-05-25	Common Stock (3968.00)	Direct

Footnotes

F1: Includes 25,078 shares issuable on settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one shares of the Issuer's common stock.

F2: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F3: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $15.70 to $16.17, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder 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.

F4: The shares subject to the option vest in equal monthly installments over four years commencing on May 26, 2015, subject to Reporting Person's continued service through each relevant vesting date. The shares subject to this option may be exercised prior to vesting, subject to Issuer's right to repurchase.