SIBN

SI-BONE, Inc.

NasdaqHealthcareSurgical & Medical Instruments & Apparatus

Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 03, 2026Most recent Form 4
Total buying$00 buys
Total selling$299M17 sells
Net open-market-$299M4 insiders
Open-market mix
Buy vs sell distribution by transaction count
17 transactions
0 buys0%·100%17 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
1580-8-15transactionsAug 2026 sells: 15 transactions · $261M15AugSep 2026 sells: 2 transactions · $37.8M2Sep

Transaction codes

By Form 4 transaction code in selected period
21transactions
  • S · Open-market sells · dominant17 · 81%
  • M · Option exercise4 · 19%

Activity by reported role

A joint filing can contribute to multiple roles
30transactions
  • Chief executive officer · dominant8 · 27%
  • Director6 · 20%
  • CO3 · 10%
  • FO3 · 10%
  • ADM2 · 7%
  • Chief financial officer2 · 7%
  • CLO2 · 7%
  • OPS2 · 7%
  • SVP2 · 7%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (3)
Aug 2026Sep 2026
4distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Maheshwari AnshulCommon Stock · Direct
254.1k223.3kAug 17, 2026 · 251,895 shares owned afterAug 17, 2026 · 254,084 shares owned afterAug 19, 2026 · 246,148 shares owned afterAug 21, 2026 · 234,920 shares owned afterAug 24, 2026 · 223,284 shares owned afterAug 17, 2026Aug 24, 2026
223,284Aug 24, 2026
Francis LauraCommon Stock · Direct
499.6k490.5kAug 17, 2026 · 499,552 shares owned afterAug 17, 2026 · 493,900 shares owned afterAug 17, 2026 · 490,461 shares owned afterAug 17, 2026 · 492,697 shares owned afterAug 17, 2026 · 495,900 shares owned afterAug 17, 2026Aug 17, 2026
495,900Aug 17, 2026
Dunn Jeffrey WCommon Stock · Direct
36.1k16.1kSep 01, 2026 · 36,057 shares owned afterSep 01, 2026 · 17,424 shares owned afterSep 01, 2026 · 16,057 shares owned afterSep 01, 2026 · 34,690 shares owned afterSep 01, 2026Sep 01, 2026
34,690Sep 01, 2026
Francis LauraCommon Stock · Indirect · by Trust
321.4k291.5kAug 20, 2026 · 321,386 shares owned afterAug 21, 2026 · 317,463 shares owned afterAug 24, 2026 · 291,491 shares owned afterAug 20, 2026Aug 24, 2026
291,491Aug 24, 2026
Pisetsky Michael A.Common Stock · Direct
275.5k273.6kAug 17, 2026 · 273,650 shares owned afterAug 17, 2026 · 275,521 shares owned afterAug 17, 2026Aug 17, 2026
275,521Aug 17, 2026
Dunn Jeffrey WStock Option (Right to Buy) · Direct
104.9k86.3kSep 01, 2026 · 104,893 shares owned afterSep 01, 2026 · 86,260 shares owned afterSep 01, 2026Sep 01, 2026
86,260Sep 01, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
0 active days
Aug 04Sep 04
LessMore

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$100M
10b5-1 detected12
Amended rows0

Filing-only signals

Deterministic matches in the selected period

SIBN transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date

No transactions match your filters

Once the backend ingests and parses SEC filings, they will appear here. Try removing a filter or picking a wider date range.

SI-BONE, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at SI-BONE, Inc.?

DUNN JEFFREY W, FRANCIS LAURA, Maheshwari Anshul, PISETSKY MICHAEL A..

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Dunn Jeffrey W reported a sale on Sep 01, 2026 valued at $2.58M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $2,995,557.29. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.