SI-BONE, Inc. — Director's Dealing 2018

Oct 19, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SI-BONE, Inc. (SIBN)
CIK: 0001459839
Period of Report: 2018-10-19

Reporting Person: Montreux Equity Partners IV, L.P. (10% Owner)
Reporting Person: Montreux IV Associates, LLC (10% Owner)
Reporting Person: Montreux IV Associates IV, LLC (10% Owner)
Reporting Person: Montreux Equity Management IV, LLC (10% Owner)
Reporting Person: TURNER DANIEL K III (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-10-19	Common Stock	C	1102915	—	Acquired	1102915	Indirect
2018-10-19	Common Stock	C	597071	—	Acquired	1699986	Indirect
2018-10-19	Common Stock	C	27409	—	Acquired	1727395	Indirect
2018-10-19	Common Stock	C	78564	—	Acquired	78564	Indirect
2018-10-19	Common Stock	C	51827	—	Acquired	130391	Indirect
2018-10-19	Common Stock	C	171929	—	Acquired	171929	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-10-19	Warrant (right to buy)	$9.10	X	15496	Disposed		Series 5 Preferred Stock (15496)	Indirect
2018-10-19	Series 5 Preferred Stock	$9.10	X	15496	Acquired		Common Stock (15496)	Indirect
2018-10-19	Series 5 Preferred Stock	$	S	9397	Disposed		Common Stock (9397)	Indirect
2018-10-19	Series 5 Preferred Stock	$	C	1102915	Disposed		Common Stock (1102915)	Indirect
2018-10-19	Series 5 Preferred Stock	$	C	78564	Disposed		Common Stock (78564)	Indirect
2018-10-19	Series 6 Preferred Stock	$	C	563926	Disposed		Common Stock (597071)	Indirect
2018-10-19	Series 6 Preferred Stock	$	C	48950	Disposed		Common Stock (51827)	Indirect
2018-10-19	Series 7 Preferred Stock	$	C	27409	Disposed		Common Stock (27409)	Indirect
2018-10-19	Series 7 Preferred Stock	$	C	171929	Disposed		Common Stock (171929)	Indirect

Footnotes

F1: The Issuer's Series 5 Preferred Stock and Series 7 Preferred Stock automatically converted into an equal number of shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date.

F2: Montreux Equity Management IV, L.L.C. ("MEM IV LLC") is the general partner of each of Montreux Equity Partners IV, L.P., Montreux IV Associates, L.L.C and Montreux IV Associates IV, L.L.C. Daniel K. Turner III is the managing director of MEM IV LLC and may be deemed to have voting and investment power over the shares held by each of these entities. Mr. Turner disclaims beneficial ownership of such shares, except to the extent of his proportionate pecuniary interest, if any.

F3: The Issuer's Series 6 Preferred Stock automatically converted into approximately 1.05878 shares of Issuer's common stock immediately upon the closing of the Issuer's initial public offering and has no expiration date.

F4: Shares subject to the warrant are immediately exercisable. The warrant will expire in connection with the closing of the Issuer's initial public offering.

F5: Immediately prior to the closing of the Issuer's initial public offering, Montreux Equity Partners IV, L.P. exercised a warrant to purchase 15,496 shares of Series 5 Preferred Stock at an exercise price of $9.10 per share. The exercise price was paid on a net exercise cashless basis calculated using the Issuer's initial public offering price of $15.00, resulting in the Issuer withholding 9,397 of the warrant shares to pay the exercise price and issuing MEP the remaining 6,099 shares.