SIBN

SEC source: 0001562180-20-004611 · primarydocument.xml · nonDerivative · entry 1

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,639

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-20-004583 · primarydocument.xml · nonDerivative · entry 1

Davis Timothy E JR · CIK 0001492082 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,223

F1 · shares: 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 be vesting 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.

F2 · balance_after: Includes 8,797 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.

SEC source: 0001562180-20-004591 · primarydocument.xml · nonDerivative · entry 1

Foley Mark J · CIK 0001529196 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,797

F1 · shares: 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 be vesting 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.

F2 · balance_after: Includes 8,797 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.

SEC source: 0001562180-20-004588 · primarydocument.xml · nonDerivative · entry 1

HILLEMAN JERYL L · CIK 0001216628 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,797

F1 · shares: 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 be vesting 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.

F2 · balance_after: Includes 8,797 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.

SEC source: 0001562180-20-004587 · primarydocument.xml · nonDerivative · entry 1

Valentine Keith · CIK 0001289408 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,171

F1 · shares: 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 be vesting 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.

F2 · balance_after: Includes 8,797 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.

SEC source: 0001562180-20-004586 · primarydocument.xml · nonDerivative · entry 1

Licitra Karen A · CIK 0001754757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,797

F1 · shares: 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 be vesting 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.

F2 · balance_after: Includes 8,797 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.

SEC source: 0001562180-20-004585 · primarydocument.xml · nonDerivative · entry 1

HINCKLEY GREGORY K · CIK 0001239182 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,588

F1 · shares: 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 be vesting 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.

F2 · balance_after: Includes 8,797 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.

SEC source: 0001562180-20-004584 · primarydocument.xml · nonDerivative · entry 1

Freund John Gordon · CIK 0001296771 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,797

F1 · shares: 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 be vesting 100% upon the earlier of (i) the next annual general meeting of the stockholders of the Company or (ii) the date one year from the Vesting Commencement Date, subject to the Reporting Person's continuous service as a member of the Company's Board of Directors until such date.

F2 · balance_after: Includes 8,797 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.

SEC source: 0001562180-20-004582 · primarydocument.xml · derivative · entry 3

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,190

Underlying: Common Stock · 3,000 shares

Expires 2026-07-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over four years commencing on vesting commencement date, subject to Reporting Person's continued service through each relevant vesting date.

SEC source: 0001562180-20-004582 · primarydocument.xml · nonDerivative · entry 2

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,268

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $17.15 to $17.76, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder 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.

F3 · balance_after: Includes 66,277 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.

SEC source: 0001562180-20-004582 · primarydocument.xml · nonDerivative · entry 1

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,268

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-20-004302 · primarydocument.xml · nonDerivative · entry 1

DUNN JEFFREY W · CIK 0001035986 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 355,940

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions ranging from $17.88 to $18.65, 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.

F3 · ownership.nature: Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012.

SEC source: 0001562180-20-003739 · primarydocument.xml · nonDerivative · entry 4

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,221

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

F3 · shares: Shares purchased pursuant to the SI-BONE, Inc. 2018 Employee Stock Purchase Plan on May 15, 2020.

F4 · balance_after: Includes 86,134 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.

SEC source: 0001562180-20-003736 · primarydocument.xml · nonDerivative · entry 1

DUNN JEFFREY W · CIK 0001035986 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 235,631

F1 · kind: 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 · balance_after: Includes 199,210 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive on share of the Issuer's common stock.

SEC source: 0001562180-20-003739 · primarydocument.xml · nonDerivative · entry 3

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,221

F1 · kind: 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.

SEC source: 0001562180-20-003739 · primarydocument.xml · nonDerivative · entry 2

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,715

F1 · kind: 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.

SEC source: 0001562180-20-003739 · primarydocument.xml · nonDerivative · entry 1

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,149

F1 · kind: 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.

SEC source: 0001562180-20-003738 · primarydocument.xml · nonDerivative · entry 1

Pisetsky Michael A · CIK 0001754765 · GC & Chief Compliance Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,195

F1 · kind: 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 · balance_after: Includes 38,727 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.

SEC source: 0001562180-20-003737 · primarydocument.xml · nonDerivative · entry 1

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,268

F1 · kind: 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 · balance_after: Includes 66,277 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.

SEC source: 0001562180-20-003046 · primarydocument.xml · nonDerivative · entry 1

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,638

F1 · kind: 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 · balance_after: Includes 71,344 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.

SEC source: 0001562180-20-002754 · primarydocument.xml · nonDerivative · entry 1

DUNN JEFFREY W · CIK 0001035986 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,304

F1 · shares: Reflects 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. The shares subject to the restricted stock unit vest in lump sum on January 15, 2021, subject to the Reporting Person's continued service through relevant vesting date.

F2 · balance_after: Includes 217,041 shares issuable on settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive on shares of the Issuer's common stock.

SEC source: 0001562180-20-002757 · primarydocument.xml · nonDerivative · entry 1

Pisetsky Michael A · CIK 0001754765 · GC & Chief Compliance Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,221

F1 · shares: Reflects 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. The shares subject to the restricted stock unit vest in lump sum on January 15, 2021, subject to the Reporting Person's continued service through relevant vesting date.

F2 · balance_after: Includes 42,480 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.

SEC source: 0001562180-20-002756 · primarydocument.xml · nonDerivative · entry 1

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,214

F1 · shares: Reflects 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. The shares subject to the restricted stock unit vest in lump sum on January 15, 2021, subject to the Reporting Person's continued service through relevant vesting date.

F2 · balance_after: Includes 72,575 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.

SEC source: 0001562180-20-002755 · primarydocument.xml · nonDerivative · entry 1

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,903

F1 · shares: Reflects 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. The shares subject to the restricted stock unit vest in lump sum on January 15, 2021, subject to the Reporting Person's continued service through relevant vesting date.

F2 · balance_after: Includes 93,876 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.

SEC source: 0001562180-20-002618 · primarydocument.xml · derivative · entry 6

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,190

Underlying: Common Stock · 3,000 shares

Expires 2026-07-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

SEC source: 0001562180-20-002618 · primarydocument.xml · nonDerivative · entry 5

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,464

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F4 · balance_after: Includes 68,825 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.

SEC source: 0001562180-20-002618 · primarydocument.xml · nonDerivative · entry 4

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,564

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

SEC source: 0001562180-20-002618 · primarydocument.xml · nonDerivative · entry 3

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,585

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F3 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $11.33 to $12.08, inclusive.

SEC source: 0001562180-20-002618 · primarydocument.xml · nonDerivative · entry 2

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,308

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $10.28 to $11.24, 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 these footnotes.

SEC source: 0001562180-20-002618 · primarydocument.xml · nonDerivative · entry 1

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,464

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-20-001422 · primarydocument.xml · nonDerivative · entry 7

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,528

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F4 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $21.239 to $21.25, 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.

F5 · balance_after: Includes 90,501 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.

SEC source: 0001562180-20-001422 · primarydocument.xml · derivative · entry 9

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 156,103

Underlying: Common Stock · 7,553 shares

Expires 2025-05-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over four years commencing on vesting commencement date, subject to Reporting Person's continued service through each relevant vesting date.

SEC source: 0001562180-20-001422 · primarydocument.xml · derivative · entry 8

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,113

Underlying: Common Stock · 1,194 shares

Expires 2027-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over four years commencing on vesting commencement date, subject to Reporting Person's continued service through each relevant vesting date.

SEC source: 0001562180-20-001422 · primarydocument.xml · nonDerivative · entry 6

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,472

F3 · shares: 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.

SEC source: 0001562180-20-001422 · primarydocument.xml · nonDerivative · entry 5

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,894

F3 · shares: 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.

SEC source: 0001562180-20-001422 · primarydocument.xml · nonDerivative · entry 4

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,375

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $20.20 to $20.70, 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.

SEC source: 0001562180-20-001422 · primarydocument.xml · nonDerivative · entry 3

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 147,928

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-20-001422 · primarydocument.xml · nonDerivative · entry 2

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,375

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $20.20 to $20.70, 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.

SEC source: 0001562180-20-001422 · primarydocument.xml · nonDerivative · entry 1

FRANCIS LAURA · CIK 0001218802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,569

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-20-001107 · primarydocument.xml · nonDerivative · entry 2

DUNN JEFFREY W · CIK 0001035986 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 385,940

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F4 · balance_after: Includes 212,541 shares issuable on settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive on shares of the Issuer's common stock.

SEC source: 0001562180-20-001107 · primarydocument.xml · nonDerivative · entry 1

DUNN JEFFREY W · CIK 0001035986 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 387,080

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $21.00 to $21.29, inclusive.

F3 · balance_after: Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012.

SEC source: 0001562180-20-000702 · primarydocument.xml · nonDerivative · entry 1

DUNN JEFFREY W · CIK 0001035986 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 405,940

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $23.00 to $23.01, inclusive.

F3 · ownership.nature: Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012.

SEC source: 0001562180-20-005448 · primarydocument.xml · nonDerivative · entry 1

Skyline Venture Partners V LP · CIK 0001419187 · 10% owner

Freund John Gordon · CIK 0001296771 · Director · 10% owner

Skyline Venture Management V, LLC · CIK 0001434887 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Skyline Venture Partners V, LP

Disclosed balance after: 2,819,985

F1 · kind: Shares are sold in the conjunction with SI-BONE, INC's public offering of common stock announced on January 21st, 2020.

F2 · balance_after: Shares held by Skyline Venture Partners V, L.P. ("SVP V"). Skyline Venture Management V, LLC ("LLC") is the general partner of SVP V and as such may be deemed to have voting and investment power with respect to the securities of SVP V. Dr. Freund, a member of the Issuer's board of directors, is a managing director of LLC and may be deemed to have voting and investment power with respect to the securities held by SVP V. Dr. Freund disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein. Although each of SVP V and LLC have ceased to be subject to the reporting requirements of Section 16 as a result of this sale of shares and the public offering, Dr. Freund is a director of SI-BONE, Inc. and, accordingly, remains subject to the reporting requirements of Section 16.

SEC source: 0001562180-20-000394 · primarydocument.xml · nonDerivative · entry 3

Pisetsky Michael A · CIK 0001754765 · GC & Chief Compliance Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,721

F3 · kind: 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.

F4 · balance_after: Includes 40,980 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.

SEC source: 0001562180-20-000427 · primarydocument.xml · nonDerivative · entry 1

DUNN JEFFREY W · CIK 0001035986 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 235,804

F1 · kind: 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 · balance_after: Includes 212,541 shares issuable on settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive on shares of the Issuer's common stock.

SEC source: 0001562180-20-000426 · primarydocument.xml · derivative · entry 3

Reckling W Carlton · CIK 0001755111 · CMO and VP, Medical Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,554

Underlying: Common Stock · 5,000 shares

Expires 2023-03-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over four years commencing on vesting commencement date, subject to Reporting Person's continued service through each relevant vesting date.

SEC source: 0001562180-20-000426 · primarydocument.xml · nonDerivative · entry 2

Reckling W Carlton · CIK 0001755111 · CMO and VP, Medical Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,170

F1 · kind: The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $21.00 to $21.57, inclusive.

F3 · balance_after: Includes 40,080 shares issuable on settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive on shares of the Issuer's common stock.

SEC source: 0001562180-20-000426 · primarydocument.xml · nonDerivative · entry 1

Reckling W Carlton · CIK 0001755111 · CMO and VP, Medical Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,170

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-20-000429 · primarydocument.xml · nonDerivative · entry 1

Yerby Scott A · CIK 0001754756 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,284

F1 · kind: 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 · balance_after: Includes 7,650 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.

SEC source: 0001562180-20-000428 · primarydocument.xml · nonDerivative · entry 1

RECUPERO ANTHONY J · CIK 0001210230 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,464

F1 · kind: 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 · balance_after: Includes 68,825 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.