SCHEDULE 13D/A

BUTTERFLY NETWORK INC COM CL A

Class A common stock, par value $0.0001 per share, Class B common stock, par value $0.0001 per share · CUSIP: 124155102

Event date: 2025-12-16

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Rothberg Jonathan M.Reported CIK 0001076352

  Shares: 4,750,704.00 · Class: 2.1%

• Rothberg Jonathan M.

  Shares: 26,426,937.00 · Class: 100%

• 4C Holdings I, LLC

  Shares: 4,716,596.00 · Class: 17.8%

• 4C Holdings II, LLC

  Shares: 2,621,701.00 · Class: 9.9%

• 4C Holdings III, LLC

  Shares: 2,621,701.00 · Class: 9.9%

• 4C Holdings IV, LLC

  Shares: 2,621,701.00 · Class: 9.9%

• 4C Holdings V, LLC

  Shares: 8,845,238.00 · Class: 33.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.