[Form 3] Butterfly Network, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Victor Ku, identified as Chief Technology Officer and a director of Butterfly Network, Inc. (BFLY), filed an initial Form 3 dated 09/22/2025 reporting that he does not beneficially own any securities of the issuer. The filing is an initial Section 16 report and was signed on his behalf by an attorney-in-fact on 09/24/2025. The form includes a standard Exhibit 24 power of attorney reference.

Insights

Financial Analyst

TL;DR: Routine initial Section 16 filing; reports no beneficial ownership, so no immediate trading or ownership impact.

The Form 3 from Butterfly Network for Victor Ku is procedural: it notifies regulators that a newly reporting insider holds no shares or derivative positions as of the event date. For investors, absence of disclosed ownership means there is no insider equity alignment or immediate insider trading signal to assess. This filing does not provide financial metrics or transactions to affect valuation.

Corporate Governance Expert

TL;DR: Governance disclosure completed; lack of holdings reduces potential related-party concerns but offers limited insight.

As an initial disclosure, the form fulfills Section 16 reporting obligations by identifying the reporting person and relationship to the company (CTO and director) while declaring no beneficial ownership. The inclusion of a power of attorney signature is customary. The filing is material in governance terms only to the extent it establishes a baseline; it does not indicate conflicts of interest, equity incentives, or compensation structure.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Ku Victor

(Last) (First) (Middle)

C/O BUTTERFLY NETWORK, INC.

1600 DISTRICT AVENUE

(Street)

BURLINGTON MA 01803

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/22/2025

3. Issuer Name and Ticker or Trading Symbol
Butterfly Network, Inc. [ BFLY ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Nick Caezza, Attorney-in-Fact	09/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did the Form 3 filed for Butterfly Network (BFLY) report?

The Form 3 filed for BFLY by Victor Ku dated 09/22/2025 states that he does not beneficially own any securities of the issuer.

What is Victor Ku's role at Butterfly Network according to the filing?

The filing lists Victor Ku as Chief Technology Officer and a Director of Butterfly Network, Inc.

When was the event date reported on the Form 3 for BFLY?

The Date of Event Requiring Statement reported on the form is 09/22/2025.

Was the Form 3 signed by the reporting person?

The filing was signed by an attorney-in-fact, Nick Caezza, on behalf of the reporting person on 09/24/2025.

Does this Form 3 disclose any derivative or equity holdings for BFLY insider Victor Ku?

No. The filing explicitly states no securities are beneficially owned, and no derivative positions are listed.