John G. Freund - 04 Jun 2026 Form 4 Insider Report for SI-BONE, Inc. (SIBN)

Reporting relationship: Director
Issuer ticker: SIBN
Reported as of: 04 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Jun 2026, 17:41:14 UTC
Prior SEC filing: 20 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael A. Pisetsky, Attorney-in-Fact for John G. Freund

Key filing fact

John G. Freund filed Form 4 for SI-BONE, Inc. (SIBN) on 08 Jun 2026.

Key facts

This page summarizes John G. Freund's Form 4 filing for SI-BONE, Inc. (SIBN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 08 Jun 2026, 17:41.

Change

Previous filing in this sequence was filed on 20 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001296771 Primary reporting owner

Freund John Gordon

Relationship: Director
Address: 471 EL CAMINO REAL, SUITE 101, SANTA CLARA
Signature: /s/ Michael A. Pisetsky, Attorney-in-Fact for John G. Freund
Signature date: 08 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SIBN transaction

Common Stock

Award

Transaction value
Shares: +10,957
Change %: +25%
Price: $0.000000^*
Shares after: 54,258
Date: 04 Jun 2026
Ownership: Direct
Footnotes: F1, F2

SIBN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 91,767
Date: 04 Jun 2026
Ownership: By John Freund Family Partnership IV, L.P
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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 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.

Footnote F2

Includes 10,957 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.

Footnote F3

Shares held by John Freund Family Partnership IV, L.P. ("Family LP"). Reporting Person, a member of Issuer's board of directors, is a general partner of Family LP and may be deemed to have voting and investment power with respect to the securities held by Family LP. Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.