BFLY

SEC source: 0001104659-21-035740 · tm219607d1_4seq1.xml · nonDerivative · entry 1

ROBBINS LARRY · CIK 0001228603 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,157

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on February 16, 2022, subject to Mr. Robbins' continued service through the applicable vesting date.

SEC source: 0001104659-21-024562 · tm216719-19_4seq1.xml · nonDerivative · entry 7

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,157

F9 · shares: Consists of RSUs. Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on February 16, 2022, subject to Dr. Rothberg's continued service through the applicable vesting date.

SEC source: 0001104659-21-024565 · tm216719-22_4seq1.xml · nonDerivative · entry 2

Phanstiel S. Louise · CIK 0001471518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,157

F3 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on February 16, 2022, subject to Ms. Phanstiel's continued service through the applicable vesting date.

SEC source: 0001104659-21-024560 · tm216719-18_4seq1.xml · nonDerivative · entry 2

HAMMERGREN JOHN H · CIK 0001197887 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,157

F3 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on February 16, 2022, subject to Mr. Hammergren's continued service through the applicable vesting date.

SEC source: 0001104659-21-024558 · tm216719-17_4seq1.xml · nonDerivative · entry 2

Pettiti Gianluca · CIK 0001844600 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,157

F2 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on February 16, 2022, subject to Mr. Pettiti's continued service through the applicable vesting date.

SEC source: 0001104659-21-024544 · tm216719-13_4seq1.xml · nonDerivative · entry 2

Carfora Dawn · CIK 0001842799 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,157

F2 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on February 16, 2022, subject to Ms. Carfora's continued service through the applicable vesting date.

SEC source: 0001104659-21-024562 · tm216719-19_4seq1.xml · nonDerivative · entry 6

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 4C Holdings V, LLC

Disclosed balance after: 2,642,693

F8 · price: Received in connection with the Merger in exchange for 2,545,212 shares of Butterfly Series A preferred stock.

F4 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC and 4C Holdings V, LLC. Dr. Rothberg disclaims beneficial ownership of the securities held by these entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-21-024562 · tm216719-19_4seq1.xml · nonDerivative · entry 5

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 4C Holdings IV, LLC

Disclosed balance after: 2,621,701

F7 · price: Received in connection with the Merger in exchange for 2,524,994 shares of Butterfly Series A preferred stock.

F4 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC and 4C Holdings V, LLC. Dr. Rothberg disclaims beneficial ownership of the securities held by these entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-21-024562 · tm216719-19_4seq1.xml · nonDerivative · entry 4

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 4C Holdings III, LLC

Disclosed balance after: 2,621,701

F6 · price: Received in connection with the Merger in exchange for 2,524,994 shares of Butterfly Series A preferred stock.

F4 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC and 4C Holdings V, LLC. Dr. Rothberg disclaims beneficial ownership of the securities held by these entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-21-024562 · tm216719-19_4seq1.xml · nonDerivative · entry 3

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 4C Holdings II, LLC

Disclosed balance after: 2,621,701

F5 · price: Received in connection with the Merger in exchange for 2,524,994 shares of Butterfly Series A preferred stock.

F4 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC and 4C Holdings V, LLC. Dr. Rothberg disclaims beneficial ownership of the securities held by these entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-21-024562 · tm216719-19_4seq1.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 4C Holdings I, LLC

Disclosed balance after: 15,919,141

F3 · price: Received in connection with the Merger in exchange for 15,331,929 shares of Butterfly Series A preferred stock.

F4 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC and 4C Holdings V, LLC. Dr. Rothberg disclaims beneficial ownership of the securities held by these entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-21-024562 · tm216719-19_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,038,300

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in 8 equal quarterly installments beginning on March 31, 2021.

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly (the "Merger"), with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these shares were received in exchange for 1,000,000 RSUs of Butterfly.

SEC source: 0001104659-21-024566 · tm216719d23_4.xml · derivative · entry 2

Fruchterman Todd · CIK 0001481217 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,557,450

Underlying: Class A Common Stock · 1,557,450 shares

Expires 2031-01-23

F4 · price: Received in connection with the Merger in exchange for a stock option to acquire 1,500,000 shares of Butterfly common stock for $15.87 per share.

F3 · derivative.exercise_date: The shares underlying this option vest as to 25% on February 1, 2022, with the remainder vesting in 36 equal monthly installments thereafter, subject to Dr. Fruchterman's continued service through the applicable vesting date.

SEC source: 0001104659-21-024566 · tm216719d23_4.xml · nonDerivative · entry 1

Fruchterman Todd · CIK 0001481217 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,038,300

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in 4 equal annual installments on the anniversary of the start of Dr. Fruchterman's employment by Butterfly (defined below), February 1, 2021, subject to his continued service through the applicable vesting date.

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly (the "Merger"), with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these RSUs were received in exchange for 1,000,000 RSUs of Butterfly.

SEC source: 0001104659-21-024565 · tm216719-22_4seq1.xml · nonDerivative · entry 1

Phanstiel S. Louise · CIK 0001471518 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by H.G. Phanstiel LP

Disclosed balance after: 60,049

F1 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly, with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these shares were received upon conversion of an aggregate principal amount of $592,221, plus accrued but unpaid interest, of Butterfly convertible notes, based on a conversion price of $10.00 per share.

F2 · ownership.nature: Ms. Phanstiel is the Managing Member of H.G. Phanstiel LP. Ms. Phanstiel disclaims beneficial ownership of the securities held by H.G. Phanstiel LP except to the extent of her pecuniary interest therein.

SEC source: 0001104659-21-024570 · tm216719-25_4.xml · derivative · entry 5

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

Longview Investors LLC · CIK 0001804090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,853,333

Underlying: Class A Common Stock · 6,853,333 shares

Expires not disclosed

F6 · kind: Pursuant to the Private Placement Warrant Purchase Agreement, effective as of May 20, 2020, by and between Longview and the Sponsor, the Sponsor purchased an aggregate of 6,853,333 warrants to purchase Class A ordinary shares, each warrant entitling the Sponsor, upon exercise, to purchase one share of Class A Common Stock (the "Private Placement Warrants") for a price of $1.50 per Private Placement Warrant. Upon consummation of the Business Combination, the Private Placement Warrants become exercisable beginning May 26, 2021 for one share of Class A Common Stock at a price of $11.50 per share. The Private Placement Warrants expire on the fifth anniversary of the consummation of the Business Combination.

F6 · derivative.exercise_date: Pursuant to the Private Placement Warrant Purchase Agreement, effective as of May 20, 2020, by and between Longview and the Sponsor, the Sponsor purchased an aggregate of 6,853,333 warrants to purchase Class A ordinary shares, each warrant entitling the Sponsor, upon exercise, to purchase one share of Class A Common Stock (the "Private Placement Warrants") for a price of $1.50 per Private Placement Warrant. Upon consummation of the Business Combination, the Private Placement Warrants become exercisable beginning May 26, 2021 for one share of Class A Common Stock at a price of $11.50 per share. The Private Placement Warrants expire on the fifth anniversary of the consummation of the Business Combination.

F6 · derivative.expiration_date: Pursuant to the Private Placement Warrant Purchase Agreement, effective as of May 20, 2020, by and between Longview and the Sponsor, the Sponsor purchased an aggregate of 6,853,333 warrants to purchase Class A ordinary shares, each warrant entitling the Sponsor, upon exercise, to purchase one share of Class A Common Stock (the "Private Placement Warrants") for a price of $1.50 per Private Placement Warrant. Upon consummation of the Business Combination, the Private Placement Warrants become exercisable beginning May 26, 2021 for one share of Class A Common Stock at a price of $11.50 per share. The Private Placement Warrants expire on the fifth anniversary of the consummation of the Business Combination.

F2 · ownership.nature: Longview Investors LLC (the "Sponsor"), or its affiliates, is the record holder of the securities reported herein. Mr. Robbins is the managing member of the Sponsor. Mr. Robbins shares voting and dispositive power over the securities held by the Sponsor and may be deemed to beneficially own such securities. Mr. Robbins disclaims beneficial ownership over any securities owned by the Sponsor other than to the extent of any pecuniary interest he may have therein.

SEC source: 0001104659-21-024570 · tm216719-25_4.xml · derivative · entry 4

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

Longview Investors LLC · CIK 0001804090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,275,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: In connection with the completion of the Issuer's initial business combination (the "Business Combination") pursuant to the Business Combination Agreement, dated November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc. ("Butterfly"), the shares of Class B Common Stock automatically converted into shares of Class A Common Stock on a one-for-one basis for no additional consideration. As part of the Business Combination, Longview changed its name to Butterfly Network, Inc. (the "Issuer") on February 12, 2021.

F1 · kind: In connection with the completion of the Issuer's initial business combination (the "Business Combination") pursuant to the Business Combination Agreement, dated November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc. ("Butterfly"), the shares of Class B Common Stock automatically converted into shares of Class A Common Stock on a one-for-one basis for no additional consideration. As part of the Business Combination, Longview changed its name to Butterfly Network, Inc. (the "Issuer") on February 12, 2021.

F1 · derivative.exercise_date: In connection with the completion of the Issuer's initial business combination (the "Business Combination") pursuant to the Business Combination Agreement, dated November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc. ("Butterfly"), the shares of Class B Common Stock automatically converted into shares of Class A Common Stock on a one-for-one basis for no additional consideration. As part of the Business Combination, Longview changed its name to Butterfly Network, Inc. (the "Issuer") on February 12, 2021.

F1 · derivative.expiration_date: In connection with the completion of the Issuer's initial business combination (the "Business Combination") pursuant to the Business Combination Agreement, dated November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc. ("Butterfly"), the shares of Class B Common Stock automatically converted into shares of Class A Common Stock on a one-for-one basis for no additional consideration. As part of the Business Combination, Longview changed its name to Butterfly Network, Inc. (the "Issuer") on February 12, 2021.

F2 · ownership.nature: Longview Investors LLC (the "Sponsor"), or its affiliates, is the record holder of the securities reported herein. Mr. Robbins is the managing member of the Sponsor. Mr. Robbins shares voting and dispositive power over the securities held by the Sponsor and may be deemed to beneficially own such securities. Mr. Robbins disclaims beneficial ownership over any securities owned by the Sponsor other than to the extent of any pecuniary interest he may have therein.

SEC source: 0001104659-21-024570 · tm216719-25_4.xml · nonDerivative · entry 3

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

Longview Investors LLC · CIK 0001804090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,049,846

F4 · ownership.nature: 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. Mr. Robbins disclaims beneficial ownership over any securities owned by the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.

F5 · ownership.nature: The Glenview Investment Funds purchased 2,500,000 shares of Class A Common Stock from the Issuer, at a price of $10.00 per share, in a private placement immediately prior to the Closing. 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.

SEC source: 0001104659-21-024570 · tm216719-25_4.xml · nonDerivative · entry 2

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

Longview Investors LLC · CIK 0001804090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 12,549,846

F3 · price: Received upon the closing of the Business Combination (the "Closing") pursuant to the automatic conversion of the principal amount plus accrued but unpaid interest on certain convertible notes issued by Butterfly and assumed by the Issuer immediately prior to the Closing, held by Glenview Capital Partners, L.P., Glenview Institutional Partners, L.P., Glenview Capital Master Fund, LTD., Glenview Capital Opportunity Fund, L.P. and Glenview Offshore Opportunity Master Fund, LTD. (the "Glenview Investment Funds"). The conversion was effected with shares of Class A Common Stock calculated by dividing the outstanding principal plus accrued but unpaid interest on each convertible note by $10.00, rounded down to the nearest whole number of shares.

F3 · ownership.nature: Received upon the closing of the Business Combination (the "Closing") pursuant to the automatic conversion of the principal amount plus accrued but unpaid interest on certain convertible notes issued by Butterfly and assumed by the Issuer immediately prior to the Closing, held by Glenview Capital Partners, L.P., Glenview Institutional Partners, L.P., Glenview Capital Master Fund, LTD., Glenview Capital Opportunity Fund, L.P. and Glenview Offshore Opportunity Master Fund, LTD. (the "Glenview Investment Funds"). The conversion was effected with shares of Class A Common Stock calculated by dividing the outstanding principal plus accrued but unpaid interest on each convertible note by $10.00, rounded down to the nearest whole number of shares.

F4 · ownership.nature: 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. Mr. Robbins disclaims beneficial ownership over any securities owned by the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.

SEC source: 0001104659-21-024570 · tm216719-25_4.xml · nonDerivative · entry 1

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

Longview Investors LLC · CIK 0001804090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 10,275,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: In connection with the completion of the Issuer's initial business combination (the "Business Combination") pursuant to the Business Combination Agreement, dated November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc. ("Butterfly"), the shares of Class B Common Stock automatically converted into shares of Class A Common Stock on a one-for-one basis for no additional consideration. As part of the Business Combination, Longview changed its name to Butterfly Network, Inc. (the "Issuer") on February 12, 2021.

F1 · price: In connection with the completion of the Issuer's initial business combination (the "Business Combination") pursuant to the Business Combination Agreement, dated November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc. ("Butterfly"), the shares of Class B Common Stock automatically converted into shares of Class A Common Stock on a one-for-one basis for no additional consideration. As part of the Business Combination, Longview changed its name to Butterfly Network, Inc. (the "Issuer") on February 12, 2021.

F2 · ownership.nature: Longview Investors LLC (the "Sponsor"), or its affiliates, is the record holder of the securities reported herein. Mr. Robbins is the managing member of the Sponsor. Mr. Robbins shares voting and dispositive power over the securities held by the Sponsor and may be deemed to beneficially own such securities. Mr. Robbins disclaims beneficial ownership over any securities owned by the Sponsor other than to the extent of any pecuniary interest he may have therein.

SEC source: 0001104659-21-024560 · tm216719-18_4seq1.xml · nonDerivative · entry 1

HAMMERGREN JOHN H · CIK 0001197887 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by Triumph Ventures LP

Disclosed balance after: 120,099

F1 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly, with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these shares were received upon conversion of an aggregate principal amount of $1,184,441, plus accrued but unpaid interest, of Butterfly convertible notes, based on a conversion price of $10.00 per share.

F2 · ownership.nature: Mr. Hammergren is the President of The Stoneyfield Group LLC, the General Partner of Triumph Ventures LP. Mr. Hammergren disclaims beneficial ownership of the securities held by Triumph Ventures LP except to the extent of his pecuniary interest therein.

SEC source: 0001104659-21-024550 · tm216719-14_4seq1.xml · derivative · entry 2

Perri David · CIK 0001795696 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 519,150

Underlying: Class A Common Stock · 519,150 shares

Expires 2030-12-17

F4 · price: Received in connection with the Merger in exchange for a stock option to acquire 500,000 shares of Butterfly common stock for $9.75 per share.

F3 · derivative.exercise_date: The shares underlying this option vest as to 25% on December 31, 2021, with the remainder vesting in 36 equal monthly installments thereafter, subject to Mr. Perri's continued service through the applicable vesting date.

SEC source: 0001104659-21-024550 · tm216719-14_4seq1.xml · derivative · entry 1

Perri David · CIK 0001795696 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 519,150

Underlying: Class A Common Stock · 519,150 shares

Expires 2030-04-23

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly (the "Merger"), with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), this stock option was received in exchange for a stock option to acquire 500,000 shares of Butterfly common stock for $5.02 per share.

F1 · derivative.exercise_date: The shares underlying this option vest as to 25% on March 31, 2021, with the remainder vesting in 36 equal monthly installments thereafter, subject to the Mr. Perri's continued service through the applicable vesting date.

SEC source: 0001104659-21-024563 · tm216719-20_4seq1.xml · derivative · entry 1

Miller Mary · CIK 0001841088 · GC and CS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,575

Underlying: Class A Common Stock · 259,575 shares

Expires 2030-12-17

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly, with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), this stock option was received in exchange for a stock option to acquire 250,000 shares of Butterfly common stock for $9.75 per share.

F1 · derivative.exercise_date: The shares underlying this option vest as to 25% on December 31, 2021, with the remainder vesting in 36 equal monthly installments thereafter, subject to Ms. Miller's continued service through the applicable vesting date.

SEC source: 0001104659-21-024564 · tm216719-21_4seq1.xml · derivative · entry 2

Fielding Stephanie · CIK 0001841070 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 389,362

Underlying: Class A Common Stock · 389,362 shares

Expires 2030-12-17

F4 · price: Received in connection with the Merger in exchange for a stock option to acquire 375,000 shares of Butterfly common stock for $9.75 per share.

F3 · derivative.exercise_date: The shares underlying this option vest as to 25% on June 30, 2021, with the remainder vesting in 36 equal monthly installments thereafter, subject to Ms. Fielding's continued service through the applicable vesting date.

SEC source: 0001104659-21-024564 · tm216719-21_4seq1.xml · nonDerivative · entry 1

Fielding Stephanie · CIK 0001841070 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,788

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest as to 25% of the shares on December 17, 2021, with the remainder vesting in 12 equal quarterly installments thereafter, subject to Ms. Fielding's continued service through the applicable vesting date.

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly (the "Merger"), with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these RSUs were received in exchange for 125,000 RSUs of Butterfly.

SEC source: 0001104659-21-024558 · tm216719-17_4seq1.xml · nonDerivative · entry 1

Pettiti Gianluca · CIK 0001844600 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,014

F1 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly, with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these shares were received upon conversion of an aggregate principal amount of $177,666, plus accrued but unpaid interest, of Butterfly convertible notes, based on a conversion price of $10.00 per share.

SEC source: 0001104659-21-024556 · tm216719-16_4seq1.xml · derivative · entry 3

Molinari Gioel · CIK 0001840970 · EVP and CPO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,830

Underlying: Class A Common Stock · 103,829 shares

Expires 2030-12-17

F5 · price: Received in connection with the Merger in exchange for a stock option to acquire 100,000 shares of Butterfly common stock for $9.75 per share.

F4 · derivative.exercise_date: The shares underlying this option vest in 48 equal monthly installments beginning on January 31, 2021, subject to the Mr. Molinari's continued service through the applicable vesting date.

SEC source: 0001104659-21-024556 · tm216719-16_4seq1.xml · derivative · entry 2

Molinari Gioel · CIK 0001840970 · EVP and CPO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,972,770

Underlying: Class A Common Stock · 1,855,961 shares

Expires 2027-04-06

F3 · price: Received in connection with the Merger in exchange for a stock option to acquire 1,900,000 shares of Butterfly common stock for $1.83 per share.

F2 · derivative.exercise_date: The shares underlying this option vested as to 25% on March 31, 2018, with the remainder vesting in 36 equal monthly installments thereafter, subject to the Mr. Molinari's continued service through the applicable vesting date.

SEC source: 0001104659-21-024556 · tm216719-16_4seq1.xml · nonDerivative · entry 1

Molinari Gioel · CIK 0001840970 · EVP and CPO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 376,383

F1 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly (the "Merger"), with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these shares were received in exchange for 362,500 shares of Butterfly common stock.

SEC source: 0001104659-21-024553 · tm216719d15_4seq1.xml · derivative · entry 4

Shahida Darius · CIK 0001840972 · CSO and CBDO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 207,660

Underlying: Class A Common Stock · 207,660 shares

Expires 2030-01-21

F8 · price: Received in connection with the Merger in exchange for a stock option to acquire 200,000 shares of Butterfly common stock for $5.02 per share.

F7 · derivative.exercise_date: The shares underlying this option vested as to 50% on November 2, 2020, with the remainder vesting in 24 equal monthly installments thereafter, subject to Mr. Shahida's continued service through the applicable vesting date.

SEC source: 0001104659-21-024553 · tm216719d15_4seq1.xml · derivative · entry 3

Shahida Darius · CIK 0001840972 · CSO and CBDO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,745

Underlying: Class A Common Stock · 155,745 shares

Expires 2028-09-18

F6 · price: Received in connection with the Merger in exchange for a stock option to acquire 150,000 shares of Butterfly common stock for $4.31 per share.

F5 · derivative.exercise_date: The shares underlying this option vest in equal monthly installments over 48 months beginning on September 30, 2018, subject to Mr. Shahida's continued service through the applicable vesting date.

SEC source: 0001104659-21-024553 · tm216719d15_4seq1.xml · derivative · entry 2

Shahida Darius · CIK 0001840972 · CSO and CBDO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,745

Underlying: Class A Common Stock · 155,745 shares

Expires 2028-01-16

F4 · price: Received in connection with the Merger in exchange for a stock option to acquire 150,000 shares of Butterfly common stock for $2.57 per share.

F3 · derivative.exercise_date: The shares underlying this option are fully vested.

SEC source: 0001104659-21-024553 · tm216719d15_4seq1.xml · nonDerivative · entry 1

Shahida Darius · CIK 0001840972 · CSO and CBDO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 519,150

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest as to 50% of the shares on December 17, 2021, with the remainder vesting in 4 equal quarterly installments thereafter, subject to Mr. Shahida's continued service through the applicable vesting date.

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly (the "Merger"), with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these shares were received in exchange for 500,000 RSUs of Butterfly.

SEC source: 0001104659-21-024544 · tm216719-13_4seq1.xml · nonDerivative · entry 1

Carfora Dawn · CIK 0001842799 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,009

F1 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly, with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these shares were received upon conversion of an aggregate principal amount of $118,443, plus accrued but unpaid interest, of Butterfly convertible notes, based on a conversion price of $10.00 per share.

SEC source: 0001104659-21-028226 · tm217907d1_4a.xml · derivative · entry 2

Miller Mary · CIK 0001841088 · GC and CS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,575

Underlying: Class A Common Stock · 259,575 shares

Expires 2030-12-17

F4 · price: Received in connection with the Merger in exchange for a stock option to acquire 250,000 shares of Butterfly common stock for $9.75 per share.

F3 · derivative.exercise_date: The shares underlying this option vest as to 25% on December 31, 2021, with the remainder vesting in 36 equal monthly installments thereafter, subject to Ms. Miller's continued service through the applicable vesting date.

SEC source: 0001104659-21-028226 · tm217907d1_4a.xml · nonDerivative · entry 1

Miller Mary · CIK 0001841088 · GC and CS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,745

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over four years beginning on February 11, 2022, subject to Ms. Miller's continued service through the applicable vesting date.

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of November 19, 2020, by and among Longview Acquisition Corp. ("Longview"), Clay Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Longview ("Merger Sub"), and Butterfly Network, Inc., a Delaware corporation ("Butterfly"), pursuant to which Merger Sub merged with and into Butterfly (the "Merger"), with Butterfly surviving as a wholly-owned subsidiary of Longview (which changed its name to "Butterfly Network, Inc.", the "Issuer"), these shares were received in exchange for 150,000 RSUs of Butterfly.