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BFLY SCHEDULE 13D/A: Insider sale planned

Filed with the SEC on · accession 0001104659-26-097972

BFLY filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Aug 17, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +2.0% by the first close after the filing.

Summary of the filing

Jonathan Rothberg, an affiliate of Butterfly Network, adopted a Rule 10b5-1 sales plan to sell up to 8,413,277 shares of BFLY common stock, with sales commencing no earlier than 90 days after the plan's August 14, 2026 effective date and ending by November 12, 2027.

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Key details

Shares subject to 10b5-1 sales planshares 8.4M
IssuerButterfly Network, Inc.
BrokerJefferies LLC
Affiliate of seller4C Holdings I, LLC
Affiliate of seller4C Holdings II, LLC
Affiliate of seller4C Holdings III, LLC
Affiliate of seller4C Holdings IV, LLC
Section 16 affiliate / sellerJonathan Rothberg

How BFLY stock reacted

Close before

$8.84

Aug 14, 2026

First close after

+2.04%

$9.02

5 trading days

+8.03%

$9.55

Since filing

-27.94%

$6.37

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Frequently asked questions

What did BFLY file with the SEC on Aug 17, 2026?

BFLY filed a SCHEDULE 13D/A (Insider sale planned). Jonathan Rothberg, an affiliate of Butterfly Network, adopted a Rule 10b5-1 sales plan to sell up to 8,413,277 shares of BFLY common stock, with sales commencing no earlier than 90 days after the plan's August 14, 2026 effective date and ending by November 12, 2027.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did BFLY stock react to this filing?

BFLY closed at $8.84 before the filing and $9.02 on Aug 17, 2026 (+2.04%). Five trading days later: $9.55 (+8.03%).

Other BFLY SEC filings

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