STOCK TITAN

[Form 4] Butterfly Network, Inc. Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

ROBBINS LARRY reported acquisition or exercise transactions in this Form 4 filing.

Butterfly Network director Larry Robbins received a grant of 25,447 restricted stock units (RSUs) as his annual equity award for nonemployee directors. Each RSU represents one share of Class A common stock and was granted at a price of $0.00 per share.

The RSUs vest in full on the date of Butterfly Network’s 2027 Annual Stockholders Meeting, subject to Robbins’ continued service on the Board. Following this award, he directly holds 390,952 shares of Class A common stock.

Additional indirect holdings are reported for entities associated with Robbins, including shares held by Glenview Investment Funds and Longview Investors LLC, over which he shares voting and dispositive power and may be deemed to beneficially own, while disclaiming beneficial ownership beyond his pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider ROBBINS LARRY
Role null
Type Security Shares Price Value
Grant/Award Class A Common Stock 25,447 $0.00 --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Class A Common Stock — 390,952 shares (Direct, null); Class A Common Stock — 14,335,055 shares (Indirect, See footnotes)
Footnotes (1)
  1. Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A common stock upon vesting. The RSUs were issued to the Reporting Person as the annual grant to nonemployee directors pursuant to the Issuer's Amended and Restated Nonemployee Director Compensation Policy for services to be rendered to the Issuer as a member of its Board of Directors. The RSUs vest in full on the date of the Issuer's 2027 Annual Stockholders Meeting, subject to the Reporting Person's continued service on the Board of Directors on such date. Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (the "Glenview Investment Funds") are the record holders of these shares. Mr. Robbins is the Founder, Portfolio Manager and CEO of Glenview Capital Management, LLC, which serves as investment manager to each of the Glenview Investment Funds. Mr. Robbins shares voting and dispositive power over the shares held by the Glenview Investment Funds and may be deemed to beneficially own such shares. Longview Investors LLC ("Longview"), or its affiliates, is the record holder of these securities. Mr. Robbins is the managing member of Longview. Mr. Robbins shares voting and dispositive power over the securities held by Longview and may be deemed to beneficially own such securities. Mr. Robbins disclaims beneficial ownership over any securities owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.
RSU grant size 25,447 RSUs Annual grant to nonemployee director Larry Robbins
Grant price $0.00 per share RSUs issued under nonemployee director compensation policy
Direct holdings after grant 390,952 shares Class A common stock held directly by Robbins after transaction
Indirect Glenview holdings 4,546,687 shares Class A common stock held by Glenview Investment Funds
Indirect Longview holdings 14,335,055 shares Class A common stock held by Longview Investors LLC or affiliates
Vesting date Issuer’s 2027 Annual Stockholders Meeting RSUs vest in full on this meeting date
restricted stock units ("RSUs") financial
"Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share..."
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
Amended and Restated Nonemployee Director Compensation Policy financial
"The RSUs were issued ... pursuant to the Issuer's Amended and Restated Nonemployee Director Compensation Policy..."
beneficially own financial
"Mr. Robbins shares voting and dispositive power ... and may be deemed to beneficially own such shares."
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
voting and dispositive power financial
"Mr. Robbins shares voting and dispositive power over the shares held by the Glenview Investment Funds..."
pecuniary interest financial
"Mr. Robbins disclaims beneficial ownership ... other than to the extent of any pecuniary interest he may have therein."
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
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*
ROBBINS LARRY

(Last)(First)(Middle)
C/O BUTTERFLY NETWORK, INC.
1600 DISTRICT AVENUE

(Street)
BURLINGTON MASSACHUSETTS 01803

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Butterfly Network, Inc. [ BFLY ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/22/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock06/22/2026A25,447(1)A$0.00390,952D
Class A Common Stock14,335,055ISee footnotes(2)(4)
Class A Common Stock4,546,687ISee footnotes(3)(4)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A common stock upon vesting. The RSUs were issued to the Reporting Person as the annual grant to nonemployee directors pursuant to the Issuer's Amended and Restated Nonemployee Director Compensation Policy for services to be rendered to the Issuer as a member of its Board of Directors. The RSUs vest in full on the date of the Issuer's 2027 Annual Stockholders Meeting, subject to the Reporting Person's continued service on the Board of Directors on such date.
2. Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (the "Glenview Investment Funds") are the record holders of these shares. Mr. Robbins is the Founder, Portfolio Manager and CEO of Glenview Capital Management, LLC, which serves as investment manager to each of the Glenview Investment Funds. Mr. Robbins shares voting and dispositive power over the shares held by the Glenview Investment Funds and may be deemed to beneficially own such shares.
3. Longview Investors LLC ("Longview"), or its affiliates, is the record holder of these securities. Mr. Robbins is the managing member of Longview. Mr. Robbins shares voting and dispositive power over the securities held by Longview and may be deemed to beneficially own such securities.
4. Mr. Robbins disclaims beneficial ownership over any securities owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.
Remarks:
Exhibit 24 - Power of Attorney
/s/ Nick Caezza, Attorney-in-Fact06/22/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What did Larry Robbins receive in this Butterfly Network (BFLY) Form 4?

Larry Robbins received 25,447 restricted stock units (RSUs) of Butterfly Network Class A common stock as an annual equity grant for nonemployee directors, with each RSU representing one share upon vesting, granted at a price of $0.00 per share.

When do Larry Robbins’s new Butterfly Network RSUs vest?

The 25,447 RSUs granted to Larry Robbins vest in full on the date of Butterfly Network’s 2027 Annual Stockholders Meeting, provided he continues serving on the Board of Directors through that meeting, according to the company’s nonemployee director compensation policy.

How many Butterfly Network shares does Larry Robbins hold directly after this Form 4?

After this RSU grant, Larry Robbins directly holds 390,952 shares of Butterfly Network Class A common stock. This figure includes the impact of the 25,447 RSUs reported as a compensation-related acquisition, rather than an open-market stock purchase.

What indirect Butterfly Network holdings are associated with Larry Robbins?

The filing reports indirect holdings through Glenview Investment Funds and Longview Investors LLC, where Robbins shares voting and dispositive power and may be deemed to beneficially own the securities, while disclaiming beneficial ownership beyond any pecuniary interest he may have in those entities.

Is Larry Robbins’s RSU grant a market purchase of Butterfly Network stock?

No, the 25,447 Butterfly Network RSUs reported for Larry Robbins are a compensation-related grant under the nonemployee director compensation policy, awarded at $0.00 per share, not an open-market purchase of Class A common stock.