# EDGAR Filing Document

**Accession Number:** 0001076352
**File Stem:** 0002064832-25-000018
**Filing Date:** 2025-11
**Character Count:** 7724
**Document Hash:** 2d3ecc6b2b8b328e871700faddf31492
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002064832-25-000018.hdr.sgml**: 20251105

**ACCESSION NUMBER**: 0002064832-25-000018

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251103

**FILED AS OF DATE**: 20251105

**DATE AS OF CHANGE**: 20251105

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ROTHBERG JONATHAN M
- **CENTRAL INDEX KEY:** 0001076352

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39292
- **FILM NUMBER:** 251453833

**MAIL ADDRESS:**
- **STREET 1:** C/O BUTTERFLY NETWORK, INC.
- **STREET 2:** 530 OLD WHITFIELD ST.
- **CITY:** GUILFORD
- **STATE:** CT
- **ZIP:** 06437
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Butterfly Network, Inc.
- **CENTRAL INDEX KEY:** 0001804176
- **STANDARD INDUSTRIAL CLASSIFICATION:** X-RAY APPARATUS & TUBES & RELATED IRRADIATION APPARATUS [3844]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1600 DISTRICT AVENUE
- **CITY:** BURLINGTON
- **STATE:** MA
- **ZIP:** 01803
- **BUSINESS PHONE:** 781-557-4800

**MAIL ADDRESS:**
- **STREET 1:** 1600 DISTRICT AVENUE
- **CITY:** BURLINGTON
- **STATE:** MA
- **ZIP:** 01803

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Longview Acquisition Corp.
- **DATE OF NAME CHANGE:** 20200220

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[x] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>ROTHBERG JONATHAN M<br><sub>(Last) (First) (Middle)</sub><br>C/O BUTTERFLY NETWORK, INC.<br>1600 DISTRICT AVENUE<br><sub>(Street)</sub><br>BURLINGTON, MA 01803<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-11-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Butterfly Network, Inc. [ BFLY ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2025-11-03 |  | S<sup>(1)</sup> |  | 100502 | D | 3.078<sup>(2)</sup> | 1140007 | I | By EJR TR, LLC<sup>(3)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 2880252 | D |  |
| Class A Common Stock |  |  |  |  |  |  |  | 1240509 | I | By NVR TR, LLC<sup>(3)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 1240509 | I | By JNR TR, LLC<sup>(3)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 1240509 | I | By JAR TR, LLC<sup>(3)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 1240509 | I | By GBR TR, LLC<sup>(3)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 726696 | I | By Bonnie E Gould Rothberg MD<sup>(3)</sup> |
| Class B Common Stock |  |  |  |  |  |  |  | 9716596 | I | By 4C Holdings I, LLC<sup>(3)</sup> |
| Class B Common Stock |  |  |  |  |  |  |  | 2621701 | I | By 4C Holdings II, LLC<sup>(3)</sup> |
| Class B Common Stock |  |  |  |  |  |  |  | 2621701 | I | By 4C Holdings III, LLC<sup>(3)</sup> |
| Class B Common Stock |  |  |  |  |  |  |  | 2621701 | I | By 4C Holdings IV, LLC<sup>(3)</sup> |
| Class B Common Stock |  |  |  |  |  |  |  | 8845238 | I | By 4C Holdings V, LLC<sup>(3)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025.

(2) Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.095 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.

(3) Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

**Signature:** /s/ Michael Fantozzi, Attorney-in-Fact for Jonathan M. Rothberg, Ph.D.  
**Date:** 2025-11-05

### Remarks:

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 4 (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.**