Jonathan M Rothberg Transfers Shares of Butterfly Network Inc (BFLY) — SEC Form 4, Mar 26, 2021

SEC Form 4 · No Market Transaction
Other Transaction

Non-market transaction reported.

Reporting Owner
Jonathan M Rothberg
Director 10% Owner
TXN 2021-03-24 · FILED 2021-03-26
Equity Position 35.2M sh 25,799,421 → 35,157,386
Equity Change +36.3% shares held after vs before
Filing Lag 2 business days within 2-day SEC deadline
Form 4 · Statement of Changes in Beneficial Ownership

Butterfly Network Inc

BFLY CIK 0001804176
All Butterfly Network Inc insider activity
Filing Date
2021-03-26
Report Date
2021-03-24
Accession No.
0001104659-21-042430
Accepted At
2021-03-26 20:06 UTC
Reporting Owner
Name Relationship
Jonathan M Rothberg CIK 0001076352
Director 10% Owner
Jonathan M Rothberg at Butterfly Network Inc Full insider history
Bought (12 mo) —
Sold (12 mo) $75,194,275
More from this insider at Butterfly Network Inc
2026-07-24 Sell -$4,269,505 View
2026-07-21 Sell -$20,748,309 View
2026-07-17 Sell -$29,368,632 View
2026-06-22 Award — View
2026-01-08 Sell -$4,695,583 View
All filings by this insider at Butterfly Network Inc
Non-Derivative Securities Transactions
Title Date Type Shares Price Net Total Post-Txn Ownership
Class A Common StockF1F2 2021-03-24 J - Other 6,202,545 A $0.00 — 6,202,545 Indirect
Class A Common StockF1F2 2021-03-24 J - Other 726,696 A $0.00 — 726,696 Indirect
Class A Common StockF1 2021-03-24 J - Other 1,476,447 A $0.00 — 1,476,447 Direct
Class A Common StockF1F2 2021-03-24 J - Other 952,277 A $0.00 — 952,277 Indirect
Non-Derivative Holdings
Title Shares Held Ownership
Class B Common StockF2 15,919,141 Indirect
Class B Common StockF2 2,621,701 Indirect
Class B Common StockF2 2,621,701 Indirect
Class B Common StockF2 2,621,701 Indirect
Class B Common StockF2 2,642,693 Indirect
Class A Common StockF3 1,051,457 Direct
Footnotes (3)
F1
Pro rata distribution for no consideration from Rothberg Family Fund I, LLC, of which 23rd Century Capital LLC, Bonnie E Gould Rothberg MD, Jonathan M. Rothberg, and the Jonathan M. Rothberg Children's Trust u/a/d April 24, 1997 are each a non-managing member. The Jonathan M. Rothberg Children's Trust u/a/d April 24, 1997 is the sole member of 1997 JMR Trust Common, LLC. As members of the Rothberg Family Fund I, LLC, 23rd Century Capital LLC, Bonnie E Gould Rothberg MD, Jonathan M. Rothberg, and the Jonathan M. Rothberg Children's Trust u/a/d April 24, 1997 each received shares from the distribution and now hold their respective shares directly. Show more
F2
Dr. Rothberg is a member of 23rd Century Capital LLC and the Manager of 1997 JMR Trust Common, LLC, 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC and 4C Holdings V, 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. Show more
F3
Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. 1,038,300 of the RSUs vest in eight equal quarterly installments beginning on March 31, 2021. 13,157 of 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. Show more

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Institutional Holders
13F holders · Jun 30, 2026 249 institutional managers reporting a position
Largest by reported value
  1. Black Rock, Inc. $158M
  2. Glenview Capital Management, Llc $121M
  3. Hood River Capital Management Llc $111M
5%+ Holders · 13D/G 5 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Butterfly Network Inc
All Butterfly Network Inc insider activity
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