$SIBN

PISETSKY MICHAEL A. sold $69K of SIBN

PISETSKY MICHAEL A. (SVP, Ops & Adm/Chief Legal Ofr) sold 3,725 shares of SI-BONE, Inc. (SIBN) at an average of $18.63 ($18.62–$18.65) across 2 trades on 2026-08-17.

Original reporting
SEC EDGAR · PISETSKY MICHAEL A.
Published Aug 18, 2026, 8:58 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 18, 2026, 9:30 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$SIBN
Neutral
medium confidence
Mentioned
$SIBN
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$SIBNNeutralLow
01

Why it matters

Insider selling can be interpreted as bearish, but the disclosed dollar value is relatively small and lacks accompanying fundamental catalysts.

02

Market read

Traders may note the insider sale, but there is no new guidance, contract, or operational update to reprice the stock materially.

03

What to watch

No 10b5-1 plan is cited, but the article does not provide context on prior plans, tax events, or compensation timing, limiting inference.

Relevance 3/10Novelty 2/10Timing: filed 2026-08-18 after-hours; transaction dated 2026-08-17

Background

The article is an SEC Form 4 insider transaction disclosure for SI-BONE, Inc.

Company-level read

Ticker impact

$SIBNNeutralMedium confidence
Context

SI-BONE disclosed an insider open-market sale by SVP Ops and Chief Legal Officer Michael A. Pisetsky totaling about $69.4K.

Expected impact

Likely limited near-term impact; any effect would be sentiment-driven and small.

Evidence & confidence

Form 4 shows an officer sale (3,725 shares) at ~$18.63 with holdings still at 273,650 shares. No new company-specific operational or financial information is provided.

Market effects

No sector read-through; this is a single-company insider transaction.

None indicated.

None indicated.

Counterpoint

The sale may be for diversification or personal liquidity needs, especially since the filing provides no link to company performance.

Key entities

  • SI-BONE, Inc.

    Company whose insider transaction was reported on Form 4.

  • Michael A. Pisetsky

    SVP, Ops and Administration, and Chief Legal Officer who sold shares.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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SI-BONE, Inc. (SIBN): Results of Operations and Financial Condition

SI-BONE, Inc. (SIBN) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 SI-BONE, Inc. Reports Financial Results for the Second Quarter 2026 and Raises 2026 Guidance Delivered ~15% WW revenue growth and ~178% increase in adjusted EBITDA ~19% increase in U.S. physician base Second Quarter 2026 Financial Highlights (all comparisons are to t