JONATHAN M. ROTHBERG - 16 Dec 2025 SCHEDULE 13D/A Report for Butterfly Network, Inc. Class A common stock, par value $0.0001 per share, Class B common stock, par value $0.0001 per share (BFLY)

Filing Manager: JONATHAN M. ROTHBERG
Reporting Manager: Rothberg Jonathan M.
Security: Butterfly Network, Inc. Class A common stock, par value $0.0001 per share, Class B common stock, par value $0.0001 per share
Symbol: BFLY
Shares outstanding: 26,426,937 shares
Disclosed Ownership: 26,426,937 shares
Ownership: 100%
Form type: SCHEDULE 13D/A
Filing time: 17 Dec 2025, 17:46:25 UTC
Date of event: 16 Dec 2025
Previous filing: 01 Dec 2025
SEC: View on sec.gov

Reporting Managers (7)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Rothberg Jonathan M.	2.1%	4,750,704	4,024,008	726,696	/s/ Jonathan M. Rothberg	Jonathan M. Rothberg, Ph.D.	0001076352
Rothberg Jonathan M.	100%	26,426,937	26,426,937	0	/s/ Jonathan M. Rothberg	Jonathan M. Rothberg, Ph.D.
4C Holdings I, LLC	18%	4,716,596	0	4,716,596	/s/ Jonathan M. Rothberg	Jonathan M. Rothberg, Ph.D., Manager
4C Holdings II, LLC	9.9%	2,621,701	0	2,621,701	/s/ Jonathan M. Rothberg	Jonathan M. Rothberg, Ph.D., Manager
4C Holdings III, LLC	9.9%	2,621,701	0	2,621,701	/s/ Jonathan M. Rothberg	Jonathan M. Rothberg, Ph.D., Manager
4C Holdings IV, LLC	9.9%	2,621,701	0	2,621,701	/s/ Jonathan M. Rothberg	Jonathan M. Rothberg, Ph.D., Manager
4C Holdings V, LLC	34%	8,845,238	0	8,845,238	/s/ Jonathan M. Rothberg	Jonathan M. Rothberg, Ph.D., Manager