SI-BONE, Inc. — Director's Dealing 2021

Apr 20, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SI-BONE, Inc. (SIBN)
CIK: 0001459839
Period of Report: 2021-04-16

Reporting Person: Pisetsky Michael A (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-16	Common Stock	S	243.00	$33.6498	Disposed	75316.00	Direct
2021-04-19	Common Stock	A	4112.00	$0.00	Acquired	79428.00	Direct

Footnotes

F1: The sale reported on this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale satisfies the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

F2: 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 four years and
will be released in quarterly installments commencing on May 15, 2021, subject to the Reporting Person's continued service through each
relevant vesting date.

F3: Includes 61,258 shares issuable on 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.