Jonathan M. Rothberg
CIK: 0001076352
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (53 total)
- Jul 22, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect36.4K shares at avg. $6.47$235K - Jul 22, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect72.7K shares at avg. $6.47$471K - Jul 22, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect54.1K shares at avg. $6.47$350K - Jul 22, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect496.7K shares at avg. $6.47$3.2M - Jul 21, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect753.3K shares at avg. $6.74$5.1M - Jul 20, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect1.2M shares at avg. $6.61$7.8M - Jul 17, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect1.2M shares at avg. $6.60$7.9M - Jul 16, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect1.2M shares at avg. $7.09$8.6M - Jul 16, 2026BFLY
Butterfly Network, Inc.
Sale(S)Direct253.9K shares at avg. $7.09$1.8M - Jul 15, 2026BFLY
Butterfly Network, Inc.
Sale(S)Direct1.7M shares at avg. $7.32$12.7M - Jul 14, 2026BFLY
Butterfly Network, Inc.
Sale(S)Direct815.6K shares at avg. $7.72$6.3M - Jun 22, 2026BFLY
Butterfly Network, Inc.
Award(A)Direct25.4K shares- - May 22, 2026HYPR
Hyperfine, Inc.
Award(A)DirectStock Options (right to buy)
157.7K shares- - May 18, 2026QSI
Quantum-Si Inc
Award(A)DirectStock Option (right to buy)
251.2K shares- - Jan 8, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect335.8K shares at avg. $4.18$1.4M - Jan 7, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect452.7K shares at avg. $4.14$1.9M - Jan 6, 2026BFLY
Butterfly Network, Inc.
Sale(S)Indirect351.6K shares at avg. $4.03$1.4M - Dec 26, 2025BFLY
Butterfly Network, Inc.
Sale(S)Indirect14.9K shares at avg. $4.01$60K - Dec 24, 2025BFLY
Butterfly Network, Inc.
Sale(S)Indirect2.7K shares at avg. $4.00$11K - Dec 23, 2025BFLY
Butterfly Network, Inc.
Sale(S)Indirect44.8K shares at avg. $4.01$179K - Dec 16, 2025BFLY
Butterfly Network, Inc.
Sale(S)Indirect38K shares at avg. $3.14$119K - Dec 16, 2025BFLY
Butterfly Network, Inc.
Sale(S)Indirect196.7K shares at avg. $3.14$617K - Dec 16, 2025BFLY
Butterfly Network, Inc.
Sale(S)Indirect50.4K shares at avg. $3.14$158K - Dec 15, 2025BFLY
Butterfly Network, Inc.
Sale(S)Indirect601.3K shares at avg. $3.16$1.9M - Dec 12, 2025BFLY
Butterfly Network, Inc.
Sale(S)Indirect111K shares at avg. $3.08$342K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 22, 2026 |  BFLY Butterfly Network, Inc. | Sale(S) | 36,366 | $6.47 | $235,281 | Indirect |
| Jul 22, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 72,724 | $6.47 | $470,510 | Indirect |
| Jul 22, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 54,143 | $6.47 | $350,294 | Indirect |
| Jul 22, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 496,680 | $6.47 | $3,213,420 | Indirect |
| Jul 21, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 753,320 | $6.74 | $5,074,288 | Indirect |
| Jul 20, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 1,177,276 | $6.61 | $7,786,268 | Indirect |
| Jul 17, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 1,195,857 | $6.60 | $7,887,753 | Indirect |
| Jul 16, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 1,213,634 | $7.09 | $8,603,330 | Indirect |
| Jul 16, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 253,867 | $7.09 | $1,799,638 | Direct |
| Jul 15, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 1,730,319 | $7.32 | $12,670,780 | Direct |
| Jul 14, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 815,632 | $7.72 | $6,294,885 | Direct |
| Jun 22, 2026 | BFLY Butterfly Network, Inc. | Award(A) | 25,447 | - | $0 | Direct |
| May 22, 2026 |  HYPR Hyperfine, Inc. | Award(A) Stock Options (right to buy) | 157,700 | - | - | Direct |
| May 18, 2026 |  QSI Quantum-Si Inc | Award(A) Stock Option (right to buy) | 251,185 | - | - | Direct |
| Jan 8, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 335,834 | $4.18 | $1,404,525 | Indirect |
| Jan 7, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 452,729 | $4.14 | $1,874,253 | Indirect |
| Jan 6, 2026 | BFLY Butterfly Network, Inc. | Sale(S) | 351,617 | $4.03 | $1,416,806 | Indirect |
| Dec 26, 2025 | BFLY Butterfly Network, Inc. | Sale(S) | 14,911 | $4.01 | $59,790 | Indirect |
| Dec 24, 2025 | BFLY Butterfly Network, Inc. | Sale(S) | 2,673 | $4.00 | $10,692 | Indirect |
| Dec 23, 2025 | BFLY Butterfly Network, Inc. | Sale(S) | 44,781 | $4.01 | $179,424 | Indirect |
| Dec 16, 2025 | BFLY Butterfly Network, Inc. | Sale(S) | 37,964 | $3.14 | $119,070 | Indirect |
| Dec 16, 2025 | BFLY Butterfly Network, Inc. | Sale(S) | 196,662 | $3.14 | $616,811 | Indirect |
| Dec 16, 2025 | BFLY Butterfly Network, Inc. | Sale(S) | 50,360 | $3.14 | $157,949 | Indirect |
| Dec 15, 2025 | BFLY Butterfly Network, Inc. | Sale(S) | 601,308 | $3.16 | $1,902,659 | Indirect |
| Dec 12, 2025 | BFLY Butterfly Network, Inc. | Sale(S) | 111,031 | $3.08 | $342,020 | Indirect |
1-25 of 53 transactions
About ROTHBERG JONATHAN M
ROTHBERG JONATHAN M (SEC CIK 0001076352) files insider reports with the SEC as Director of Butterfly Network, Inc. (BFLY), Director of Hyperfine, Inc. (HYPR) and Director of Quantum-Si Inc (QSI).
Signal8 holds 19 ownership filings by ROTHBERG JONATHAN M, all Form 4s, filed between Dec 31, 2024 and Jul 24, 2026. Those filings report 53 transactions, from Dec 27, 2024 to Jul 22, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on ROTHBERG JONATHAN M's filings is in BURLINGTON, MA.
Recent filings by ROTHBERG JONATHAN M
- Jul 22, 2026: Open-market sales of BFLY shares (4 lines, Form 4, code S).
- Jul 21, 2026: Open-market sale of BFLY shares (Form 4, code S).
- Jul 20, 2026: Open-market sale of BFLY shares (Form 4, code S).
- Jul 17, 2026: Open-market sale of BFLY shares (Form 4, code S).
- Jul 16, 2026: Open-market sales of BFLY shares (2 lines, Form 4, code S).
Other insiders filing for Butterfly Network, Inc. (BFLY)
- NOONEN MICHAEL, Director
- DEVIVO JOSEPH, President & CEO
- Carlson Megan, CAO and SVP, Finance
- Cashman Steve, Chief Business Officer
- Caezza Nicholas, Deputy General Counsel
- ROBBINS LARRY, Director