Follow the people · Insider
Jonathan M. Rothberg
Jonathan M. Rothberg files insider transactions with the SEC as a director of Butterfly Network (BFLY). We hold 10 disclosed purchases and sales filed since 10 March 2006, 7 of them in the last 90 days.
- Files forBFLY
- Disclosed buys and sells10 in all, 7 in the last 90 days
- Last disclosure24 July 2026
Positions held
4 posts we hold — a term names its own dates; a run of filings only says when they filed- Filed 12 February 2021 — 22 July 2026Director · Butterfly Network (BFLY)64 Form 4 lines · source: SEC Form 4
- Filed 22 December 2021 — 22 May 2026Director and 10% owner · Hyperfine (HYPR)27 Form 4 lines · source: SEC Form 4
- Filed 10 June 2021 — 18 May 2026Interim CEO · Quantum-Si (QSI)24 Form 4 lines · source: SEC Form 4
- Filed 30 August 2005 — 30 April 200710% owner · Curagen (CRGN)21 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 54,143 shares of Butterfly NetworkSEC Form 424 July 2026Class B Common Stock · traded 22 July 2026 · filed 24 July 2026
- ▼ sold on the open market 72,724 shares of Butterfly NetworkSEC Form 424 July 2026Class B Common Stock · traded 22 July 2026 · filed 24 July 2026
- ▼ sold on the open market 496,680 shares of Butterfly NetworkSEC Form 424 July 2026Class B Common Stock · traded 22 July 2026 · filed 24 July 2026
- ▼ sold on the open market 36,366 shares of Butterfly NetworkSEC Form 424 July 2026Class B Common Stock · traded 22 July 2026 · filed 24 July 2026
- ▼ sold on the open market 1,195,857 shares of Butterfly NetworkSEC Form 421 July 2026Class B Common Stock · traded 17 July 2026 · filed 21 July 2026
- ▼ sold on the open market 1,177,276 shares of Butterfly NetworkSEC Form 421 July 2026Class B Common Stock · traded 20 July 2026 · filed 21 July 2026
- ▼ sold on the open market 753,320 shares of Butterfly NetworkSEC Form 421 July 2026Class B Common Stock · traded 21 July 2026 · filed 21 July 2026
- ▼ sold on the open market 815,632 shares of Butterfly NetworkSEC Form 416 July 2026Class A Common Stock · traded 14 July 2026 · filed 16 July 2026
- ▼ sold on the open market 1,730,319 shares of Butterfly NetworkSEC Form 416 July 2026Class A Common Stock · traded 15 July 2026 · filed 16 July 2026
- ▼ sold on the open market 253,867 shares of Butterfly NetworkSEC Form 416 July 2026Class A Common Stock · traded 16 July 2026 · filed 16 July 2026
- ▼ sold on the open market 1,213,634 shares of Butterfly NetworkSEC Form 416 July 2026Class B Common Stock · traded 16 July 2026 · filed 16 July 2026
- was granted 25,447 shares of Butterfly NetworkSEC Form 422 June 2026Class A Common Stock · traded 22 June 2026 · filed 22 June 2026
- was granted 157,700 shares of Hyperfine (a derivative holding)SEC Form 422 May 2026Stock Options (right to buy) · traded 22 May 2026 · filed 22 May 2026
- was granted 251,185 shares of Quantum-Si (a derivative holding)SEC Form 420 May 2026Stock Option (right to buy) · traded 18 May 2026 · filed 20 May 2026
- ▼ sold on the open market 351,617 shares of Butterfly NetworkSEC Form 48 January 2026Class A Common Stock · traded 6 January 2026 · filed 8 January 2026
- ▼ sold on the open market 452,729 shares of Butterfly NetworkSEC Form 48 January 2026Class A Common Stock · traded 7 January 2026 · filed 8 January 2026
- ▼ sold on the open market 335,834 shares of Butterfly NetworkSEC Form 48 January 2026Class A Common Stock · traded 8 January 2026 · filed 8 January 2026
- ▼ sold on the open market 351,617 shares of Butterfly NetworkSEC Form 48 January 2026Class A Common Stock · traded 6 January 2026 · filed 8 January 2026
- ▼ sold on the open market 452,729 shares of Butterfly NetworkSEC Form 48 January 2026Class A Common Stock · traded 7 January 2026 · filed 8 January 2026
- ▼ sold on the open market 335,834 shares of Butterfly NetworkSEC Form 48 January 2026Class A Common Stock · traded 8 January 2026 · filed 8 January 2026
- ▼ sold on the open market 44,781 shares of Butterfly NetworkSEC Form 429 December 2025Class A Common Stock · traded 23 December 2025 · filed 29 December 2025
- ▼ sold on the open market 2,673 shares of Butterfly NetworkSEC Form 429 December 2025Class A Common Stock · traded 24 December 2025 · filed 29 December 2025
- ▼ sold on the open market 14,911 shares of Butterfly NetworkSEC Form 429 December 2025Class A Common Stock · traded 26 December 2025 · filed 29 December 2025
- ▼ sold on the open market 601,308 shares of Butterfly NetworkSEC Form 417 December 2025Class A Common Stock · traded 15 December 2025 · filed 17 December 2025
- ▼ sold on the open market 50,360 shares of Butterfly NetworkSEC Form 417 December 2025Class A Common Stock · traded 16 December 2025 · filed 17 December 2025
- ▼ sold on the open market 196,662 shares of Butterfly NetworkSEC Form 417 December 2025Class A Common Stock · traded 16 December 2025 · filed 17 December 2025
- ▼ sold on the open market 37,964 shares of Butterfly NetworkSEC Form 417 December 2025Class A Common Stock · traded 16 December 2025 · filed 17 December 2025
- ▼ sold on the open market 288,918 shares of Butterfly NetworkSEC Form 412 December 2025Class A Common Stock · traded 10 December 2025 · filed 12 December 2025
- ▼ sold on the open market 123,354 shares of Butterfly NetworkSEC Form 412 December 2025Class A Common Stock · traded 11 December 2025 · filed 12 December 2025
- ▼ sold on the open market 82,262 shares of Butterfly NetworkSEC Form 412 December 2025Class A Common Stock · traded 12 December 2025 · filed 12 December 2025
- ▼ sold on the open market 111,031 shares of Butterfly NetworkSEC Form 412 December 2025Class A Common Stock · traded 12 December 2025 · filed 12 December 2025
- ▼ sold on the open market 543,601 shares of Butterfly NetworkSEC Form 410 December 2025Class A Common Stock · traded 8 December 2025 · filed 10 December 2025
- ▼ sold on the open market 225,726 shares of Butterfly NetworkSEC Form 410 December 2025Class A Common Stock · traded 8 December 2025 · filed 10 December 2025
- ▼ sold on the open market 176,070 shares of Butterfly NetworkSEC Form 410 December 2025Class A Common Stock · traded 9 December 2025 · filed 10 December 2025
- ▼ sold on the open market 64,198 shares of Butterfly NetworkSEC Form 48 December 2025Class A Common Stock · traded 4 December 2025 · filed 8 December 2025
- ▼ sold on the open market 37,598 shares of Butterfly NetworkSEC Form 48 December 2025Class A Common Stock · traded 5 December 2025 · filed 8 December 2025
- ▼ sold on the open market 132,570 shares of Butterfly NetworkSEC Form 42 December 2025Class A Common Stock · traded 28 November 2025 · filed 2 December 2025
- ▼ sold on the open market 370,193 shares of Butterfly NetworkSEC Form 426 November 2025Class A Common Stock · traded 24 November 2025 · filed 26 November 2025
- ▼ sold on the open market 370,193 shares of Butterfly NetworkSEC Form 426 November 2025Class A Common Stock · traded 24 November 2025 · filed 26 November 2025
- ▼ sold on the open market 370,193 shares of Butterfly NetworkSEC Form 426 November 2025Class A Common Stock · traded 24 November 2025 · filed 26 November 2025
- ▼ sold on the open market 224,920 shares of Butterfly NetworkSEC Form 426 November 2025Class A Common Stock · traded 25 November 2025 · filed 26 November 2025
- ▼ sold on the open market 224,919 shares of Butterfly NetworkSEC Form 426 November 2025Class A Common Stock · traded 25 November 2025 · filed 26 November 2025
- ▼ sold on the open market 224,919 shares of Butterfly NetworkSEC Form 426 November 2025Class A Common Stock · traded 25 November 2025 · filed 26 November 2025
- ▼ sold on the open market 442,539 shares of Butterfly NetworkSEC Form 426 November 2025Class A Common Stock · traded 26 November 2025 · filed 26 November 2025
- ▼ sold on the open market 100,502 shares of Butterfly NetworkSEC Form 45 November 2025Class A Common Stock · traded 3 November 2025 · filed 5 November 2025
- ▼ sold on the open market 26,095 shares of Quantum-SiSEC Form 417 October 2025Class A Common Stock · traded 16 October 2025 · filed 17 October 2025
- was granted 80,434 shares of Butterfly NetworkSEC Form 417 June 2025Class A Common Stock · traded 13 June 2025 · filed 17 June 2025
- was granted 126,095 shares of Quantum-Si (a derivative holding)SEC Form 421 May 2025Stock Option (right to buy) · traded 19 May 2025 · filed 21 May 2025
- ▼ sold on the open market 834,253 shares of Quantum-SiSEC Form 431 December 2024Class A Common Stock · traded 27 December 2024 · filed 31 December 2024
- ▼ sold on the open market 42,313 shares of Quantum-SiSEC Form 431 December 2024Class A Common Stock · traded 27 December 2024 · filed 31 December 2024
- ▼ sold on the open market 834,254 shares of Quantum-SiSEC Form 431 December 2024Class A Common Stock · traded 27 December 2024 · filed 31 December 2024
- ▼ sold on the open market 42,313 shares of Quantum-SiSEC Form 431 December 2024Class A Common Stock · traded 27 December 2024 · filed 31 December 2024
- ▼ sold on the open market 834,254 shares of Quantum-SiSEC Form 431 December 2024Class A Common Stock · traded 27 December 2024 · filed 31 December 2024
- ▼ sold on the open market 42,313 shares of Quantum-SiSEC Form 431 December 2024Class A Common Stock · traded 27 December 2024 · filed 31 December 2024
- ▼ sold on the open market 834,254 shares of Quantum-SiSEC Form 431 December 2024Class A Common Stock · traded 27 December 2024 · filed 31 December 2024
- ▼ sold on the open market 42,313 shares of Quantum-SiSEC Form 431 December 2024Class A Common Stock · traded 27 December 2024 · filed 31 December 2024
- acquired or disposed of, other 952,277 shares of Butterfly NetworkSEC Form 430 August 2024Class A Common Stock · traded 28 August 2024 · filed 30 August 2024
- was granted 157,894 shares of Butterfly NetworkSEC Form 412 June 2024Class A Common Stock · traded 10 June 2024 · filed 12 June 2024
- was granted 79,200 shares of Hyperfine (a derivative holding)SEC Form 412 June 2024Stock Options (right to buy) · traded 12 June 2024 · filed 12 June 2024
- was granted 113,281 shares of Quantum-Si (a derivative holding)SEC Form 417 May 2024Stock Option (right to buy) · traded 16 May 2024 · filed 17 May 2024
- was granted 65,789 shares of Butterfly NetworkSEC Form 422 June 2023Class A Common Stock · traded 20 June 2023 · filed 22 June 2023
- was granted 112,000 shares of Hyperfine (a derivative holding)SEC Form 412 June 2023Stock Options (right to buy) · traded 9 June 2023 · filed 12 June 2023
- was granted 120,481 shares of Quantum-Si (a derivative holding)SEC Form 416 May 2023Stock Option (right to buy) · traded 12 May 2023 · filed 16 May 2023
- was granted 250,000 shares of Quantum-Si (a derivative holding)SEC Form 49 March 2023Stock Option (right to buy) · traded 8 March 2023 · filed 9 March 2023
- ▲ bought on the open market 229,215 shares of HyperfineSEC Form 430 November 2022Class A Common Stock · traded 30 November 2022 · filed 30 November 2022
- ▲ bought on the open market 47,007 shares of HyperfineSEC Form 429 November 2022Class A Common Stock · traded 29 November 2022 · filed 29 November 2022
- ▲ bought on the open market 31,139 shares of HyperfineSEC Form 415 November 2022Class A Common Stock · traded 15 November 2022 · filed 15 November 2022
- ▲ bought on the open market 34,488 shares of HyperfineSEC Form 414 November 2022Class A Common Stock · traded 14 November 2022 · filed 14 November 2022
- ▲ bought on the open market 64,213 shares of HyperfineSEC Form 416 August 2022Class A Common Stock · traded 16 August 2022 · filed 16 August 2022
- ▲ bought on the open market 303,137 shares of HyperfineSEC Form 412 August 2022Class A Common Stock · traded 12 August 2022 · filed 12 August 2022
- was granted 48,231 shares of Butterfly NetworkSEC Form 422 June 2022Class A Common Stock · traded 17 June 2022 · filed 22 June 2022
- ▲ bought on the open market 25,561 shares of Quantum-SiSEC Form 416 June 2022Class A Common Stock · traded 14 June 2022 · filed 16 June 2022
- ▲ bought on the open market 52,848 shares of HyperfineSEC Form 415 June 2022Class A Common Stock · traded 14 June 2022 · filed 15 June 2022
- was granted 85,345 shares of Hyperfine (a derivative holding)SEC Form 413 June 2022Stock Options (right to buy) · traded 9 June 2022 · filed 13 June 2022
- was granted 59,880 shares of Quantum-Si (a derivative holding)SEC Form 413 May 2022Stock Option (right to buy) · traded 11 May 2022 · filed 13 May 2022
- acquired or disposed of, other 6,202,545 shares of Butterfly NetworkSEC Form 423 March 2022Class A Common Stock · traded 21 March 2022 · filed 23 March 2022
- acquired or disposed of, other 6,202,545 shares of Butterfly NetworkSEC Form 423 March 2022Class A Common Stock · traded 21 March 2022 · filed 23 March 2022
- acquired or disposed of, other 6,202,545 shares of Butterfly NetworkSEC Form 423 March 2022Class B Common Stock · traded 21 March 2022 · filed 23 March 2022
- acquired or disposed of, other 6,202,545 shares of Butterfly NetworkSEC Form 423 March 2022Class B Common Stock · traded 21 March 2022 · filed 23 March 2022
- was granted 982,500 shares of Hyperfine (a derivative holding)SEC Form 410 January 2022Stock Option (right to buy) · traded 22 December 2021 · filed 10 January 2022
- was granted 104,074 shares of HyperfineSEC Form 410 January 2022Class A Common Stock · traded 22 December 2021 · filed 10 January 2022
- was granted 19,586 shares of HyperfineSEC Form 410 January 2022Class A Common Stock · traded 23 December 2021 · filed 10 January 2022
- was granted 585,737 shares of HyperfineSEC Form 410 January 2022Class A Common Stock · traded 22 December 2021 · filed 10 January 2022
- was granted 440,295 shares of HyperfineSEC Form 410 January 2022Class A Common Stock · traded 22 December 2021 · filed 10 January 2022
- was granted 95,507 shares of HyperfineSEC Form 410 January 2022Class A Common Stock · traded 22 December 2021 · filed 10 January 2022
- was granted 14,236,538 shares of HyperfineSEC Form 410 January 2022Class B Common Stock · traded 22 December 2021 · filed 10 January 2022
- was granted 818,750 shares of HyperfineSEC Form 410 January 2022Class B Common Stock · traded 22 December 2021 · filed 10 January 2022
- was granted 982,500 shares of Hyperfine (a derivative holding)SEC Form 423 December 2021Stock Option (right to buy) · traded 22 December 2021 · filed 23 December 2021
- was granted 104,074 shares of HyperfineSEC Form 423 December 2021Class A Common Stock · traded 22 December 2021 · filed 23 December 2021
- was granted 16,483 shares of HyperfineSEC Form 423 December 2021Class A Common Stock · traded 23 December 2021 · filed 23 December 2021
- was granted 585,737 shares of HyperfineSEC Form 423 December 2021Class A Common Stock · traded 22 December 2021 · filed 23 December 2021
- was granted 440,295 shares of HyperfineSEC Form 423 December 2021Class A Common Stock · traded 22 December 2021 · filed 23 December 2021
- was granted 95,507 shares of HyperfineSEC Form 423 December 2021Class A Common Stock · traded 22 December 2021 · filed 23 December 2021
- was granted 14,236,538 shares of HyperfineSEC Form 423 December 2021Class B Common Stock · traded 22 December 2021 · filed 23 December 2021
- was granted 818,750 shares of HyperfineSEC Form 423 December 2021Class B Common Stock · traded 22 December 2021 · filed 23 December 2021
- was granted 21,645 shares of Butterfly Network (a derivative holding)SEC Form 42 July 2021Stock Option (Right to Buy) · traded 1 July 2021 · filed 2 July 2021
- was granted 12,480,108 shares of Quantum-SiSEC Form 414 June 2021Class A Common Stock · traded 10 June 2021 · filed 14 June 2021
- was granted 1,917,067 shares of Quantum-SiSEC Form 414 June 2021Class A Common Stock · traded 10 June 2021 · filed 14 June 2021
- was granted 273,422 shares of Quantum-SiSEC Form 414 June 2021Class A Common Stock · traded 10 June 2021 · filed 14 June 2021
- was granted 1,022,370 shares of Quantum-SiSEC Form 414 June 2021Class A Common Stock · traded 10 June 2021 · filed 14 June 2021
- was granted 1,500,000 shares of Quantum-SiSEC Form 414 June 2021Class A Common Stock · traded 10 June 2021 · filed 14 June 2021
- was granted 20,512 shares of Quantum-SiSEC Form 414 June 2021Class A Common Stock · traded 11 June 2021 · filed 14 June 2021
- was granted 17,943,750 shares of Quantum-SiSEC Form 414 June 2021Class B Common Stock · traded 10 June 2021 · filed 14 June 2021
- was granted 1,993,750 shares of Quantum-SiSEC Form 414 June 2021Class B Common Stock · traded 10 June 2021 · filed 14 June 2021
- acquired or disposed of, other 6,202,545 shares of Butterfly NetworkSEC Form 426 March 2021Class A Common Stock · traded 24 March 2021 · filed 26 March 2021
- acquired or disposed of, other 726,696 shares of Butterfly NetworkSEC Form 426 March 2021Class A Common Stock · traded 24 March 2021 · filed 26 March 2021
- acquired or disposed of, other 1,476,447 shares of Butterfly NetworkSEC Form 426 March 2021Class A Common Stock · traded 24 March 2021 · filed 26 March 2021
- acquired or disposed of, other 952,277 shares of Butterfly NetworkSEC Form 426 March 2021Class A Common Stock · traded 24 March 2021 · filed 26 March 2021
- was granted 1,038,300 shares of Butterfly NetworkSEC Form 416 February 2021Class A Common Stock · traded 12 February 2021 · filed 16 February 2021
- was granted 15,919,141 shares of Butterfly NetworkSEC Form 416 February 2021Class B Common Stock · traded 12 February 2021 · filed 16 February 2021
- was granted 2,621,701 shares of Butterfly NetworkSEC Form 416 February 2021Class B Common Stock · traded 12 February 2021 · filed 16 February 2021
- was granted 2,621,701 shares of Butterfly NetworkSEC Form 416 February 2021Class B Common Stock · traded 12 February 2021 · filed 16 February 2021
- was granted 2,621,701 shares of Butterfly NetworkSEC Form 416 February 2021Class B Common Stock · traded 12 February 2021 · filed 16 February 2021
- was granted 2,642,693 shares of Butterfly NetworkSEC Form 416 February 2021Class B Common Stock · traded 12 February 2021 · filed 16 February 2021
- was granted 13,157 shares of Butterfly NetworkSEC Form 416 February 2021Class A Common Stock · traded 16 February 2021 · filed 16 February 2021
- ▼ sold on the open market 300 shares of CuragenSEC Form 43 May 2007Common Stock · traded 30 April 2007 · filed 3 May 2007
- ▼ sold on the open market 600 shares of CuragenSEC Form 43 May 2007Common Stock · traded 30 April 2007 · filed 3 May 2007
- ▼ sold on the open market 4,500 shares of CuragenSEC Form 43 May 2007Common Stock · traded 30 April 2007 · filed 3 May 2007
- ▼ sold on the open market 21,758 shares of CuragenSEC Form 43 May 2007Common Stock · traded 30 April 2007 · filed 3 May 2007
- ▼ sold on the open market 23,698 shares of CuragenSEC Form 43 May 2007Common Stock · traded 30 April 2007 · filed 3 May 2007
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.