Anshul Maheshwari - 29 Oct 2026 Form 4 Insider Report for SI-BONE, Inc. (SIBN)

Reporting relationship: Chief Op & Financial Officer
Issuer ticker: SIBN
Reported as of: 29 Oct 2026
Net transaction value: -$84,105
SEC form: 4
Accepted by SEC: 02 Nov 2026, 17:17:29 UTC
Prior SEC filing: 06 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael Pisetsky, Attorney-in-Fact for Anshul Maheshwari

Filing notes and source

Key filing fact

Anshul Maheshwari filed Form 4 for SI-BONE, Inc. (SIBN) on 02 Nov 2026.

Key facts

This page summarizes Anshul Maheshwari's Form 4 filing for SI-BONE, Inc. (SIBN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Nov 2026, 17:17.

Change

Previous filing in this sequence was filed on 06 Oct 2026.
Current net transaction value: -$84,105.

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 0001853089 Primary reporting owner

Maheshwari Anshul

Relationship: Chief Op & Financial Officer
Address: C/O SI-BONE, INC, 88 W PLUMERIA DRIVE, SAN JOSE
Signature: /s/ Michael Pisetsky, Attorney-in-Fact for Anshul Maheshwari
Signature date: 02 Nov 2026

Reported non-derivative transactions

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

SIBN transaction

Common Stock

Sale

Transaction value: -$84,105
Shares: -3,738
Change %: -1.7%
Price: $22.50
Shares after: 214,497
Date: 29 Oct 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated December 17, 2025.

Footnote F2

Includes 160,823 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.