| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ku Victor | Chief Technology Officer | C/O BUTTERFLY NETWORK, INC., 1600 DISTRICT AVENUE, BURLINGTON | /s/ Nick Caezza, Attorney-in-Fact | 07 Jan 2026 | 0002087062 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BFLY | Class A Common Stock | Sale | $137,398 | -35,968 | -4.2% | $3.82 | 811,962 | 05 Jan 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person. |
| F2 | Represents the weighted average sales price per share. The shares sold at prices ranging from $3.765 to $3.91 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. |