Massivemarkets

SEC Form 4

SI-BONE, Inc. (SIBN) insider trading

In the 12 months to Oct 24, 2026, 6 SIBN insiders reported open-market sales of $7.7M across 22 filings; no open-market purchases were filed.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$7.7M
22 filings · 6 insiders
Open-market purchases
$0
0 filings
Pre-arranged sales (10b5-1)
18 of 22
$6.8M of $7.7M sold (88%)

Who traded SIBN, and when

  • Sale
  • Sale, pre-arranged (10b5-1)

SIBN daily close from Oct 24, 2025 to Oct 23, 2026, between $11.61 and $21.56, last $21.48. 22 sale and 0 purchase filings by 6 insiders, marked at their filing dates. Jeffrey W. Dunn, Director: sold $3.4M across 6 filings, first filed Nov 13, 2025, last Oct 5, 2026. Laura Francis, Chief Executive Officer: sold $2.6M across 5 filings, first filed Nov 13, 2025, last Oct 14, 2026. Anshul Maheshwari, Chief Financial Officer → Chief Op & Financial Officer: sold $1.1M across 7 filings, first filed Nov 13, 2025, last Oct 6, 2026. Michael A. Pisetsky, SVP, Ops & Adm/Chief Legal Ofr: sold $402.9K across 2 filings, first filed Nov 26, 2025, last Dec 19, 2025. Timothy E. Davis JR., Director: sold $104.2K across 1 filing, first filed Jun 1, 2026, last Jun 1, 2026. Mika Nishimura, Director: sold $56.7K across 1 filing, first filed Mar 13, 2026, last Mar 13, 2026.

Largest mark · tap a row for others

Laura Francis · Chief Executive Officer

Filing 1 of 2 within a week · $1,610,797 total

Sale $1,088,201

55,807 shares at $19.50 avg

Filed Aug 21, 2026 · traded Aug 20

Pre-arranged (10b5-1) · close on filing date $19.96

SIBN daily closelast $21.48

Jeffrey W. Dunn · Director

$3.4M sold

Laura Francis · Chief Executive Officer

$2.6M sold

Anshul Maheshwari · Chief Financial Officer → Chief Op & Financial Officer

$1.1M sold

Michael A. Pisetsky · SVP, Ops & Adm/Chief Legal Ofr

$402.9K sold

Timothy E. Davis JR. · Director

$104.2K sold

Mika Nishimura · Director

$56.7K sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Has SI-BONE, Inc.'s CEO sold stock?

Yes. Laura Francis (CEO) sold 130,607 shares ($2.6M) between Nov 2025 and Oct 2026, all under a pre-arranged 10b5-1 plan.

Open-market trades

22 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
Jeffrey W. DunnDirector$3.4M—679% of sales
Laura FrancisChief Executive Officer$2.6M—5100% of sales
Anshul MaheshwariChief Financial Officer → Chief Op & Financial Officer$1.1M—7100% of sales
Michael A. PisetskySVP, Ops & Adm/Chief Legal Ofr$402.9K—2100% of sales
Timothy E. Davis JR.Director$104.2K—1—
Mika NishimuraDirector$56.7K—1—
Other insider activity (not market trades) · 101 records
  • Option exercises9 records
  • Tax withholding (sold to cover)77 records
  • Grants and awards15 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

Build this yourself

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Agent prompt

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for SIBN every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Pre-arranged (10b5-1)
The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
Role
The title on each filing. Someone whose title changed shows more than one.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.