Monitor for actual execution of the sale on Form 4. If completed, it would reduce Rothberg's stake and signal potential lack of confidence. Combined with recent insider selling pattern, this could weigh on sentiment. Watch for any upcoming earnings or material events that might explain timing.
Price Chart
Executive Summary
Director Jonathan Rothberg filed a Form 144 on July 14, 2026, indicating intent to sell 815,632 shares of Butterfly Network (BFLY) Class A Common, valued at approximately $6.29 million. This represents a significant proposed sale by a director and founder, following prior insider selling activity of $2.7M over the past 30 days.
Key Facts
- Director Jonathan Rothberg filed Form 144 to sell 815,632 shares of Class A Common.
- Proposed sale value: approximately $6,290,000 (based on ~$7.71/share).
- Shares acquired via private investment on 08/31/2014.
- Broker: Jefferies, 520 Madison Ave, New York.
- Filing date: 07/14/2026; proposed sale date: 07/14/2026.
- Recent insider activity (30d): 4 sells totaling $2.7M.
- Market cap: $2.1B; proposed sale represents ~0.3% of market cap.
Financial Impact
Proposed sale of 815,632 shares valued at ~$6.29M (0.3% of market cap).
Risk Factors
- Form 144 is only an intent to sell; sale may not be executed.
- Insider selling may be for personal liquidity or tax planning, not necessarily a negative signal.
- High analyst bullishness (91% buy) may offset insider selling pressure.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 6 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (BFLY) — Batch item 1 | 0001974158-26-000077 |
| Document: 0001974158-26-000077-index.html | 0001974158-26-000077 |
| Document: 0001974158-26-000077.txt | 0001974158-26-000077 |
| 144 Filing (BFLY) — Batch item 4 | 0001974158-26-000077 |
| Document: 0001974158-26-000077-index.html | 0001974158-26-000077 |
| Document: 0001974158-26-000077.txt | 0001974158-26-000077 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 15, 2026 11d ago | 3 | $7.25 $7.47 | ▲ +3.03% | ▲ +2.61% | $6.99 (−3.59%) |
Oct 6, 2026 20d ago | 144 | $8.70 $8.27 | ▼ −4.94% | ▼ −4.70% | $6.99 (−19.66%) |
Oct 5, 2026 22d ago | 8-K | $9.38 $8.70 | ▼ −7.25% | ▼ −7.80% | $6.99 (−25.48%) |
Sep 23, 2026 4w ago | 144 | $9.41 $9.39 | ▼ −0.21% | ▼ −0.76% | $6.99 (−25.72%) |
Sep 22, 2026 4w ago | 144 | $9.20 $9.41 | ▲ +2.28% | ▲ +2.36% | $6.99 (−24.02%) |
Sep 9, 2026 6w ago | Insider Cluster | $7.12 $7.33 | ▲ +2.95% | ▲ +2.10% | $6.99 (−1.83%) |
Aug 17, 2026 10w ago | Insider Cluster | $9.00 $9.17 | ▼ −1.89% | ▼ −1.68% | $6.99 (+22.33%) |
Aug 17, 2026 10w ago | Insider Cluster | $9.00 $9.17 | ▼ −1.89% | ▼ −1.68% | $6.99 (+22.33%) |
Aug 15, 2026 10w ago | Institutional Cluster | $9.02 $9.00 | ▼ −0.22% | ▲ +0.45% | $6.99 (−22.51%) |
Aug 12, 2026 10w ago | Insider Cluster | $8.86 $8.84 | ▼ −0.23% | ▼ −0.03% | $6.99 (−21.11%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers