Jonathan M. Rothberg
Jonathan M. Rothberg's purchase track record
How the stock did after each of Jonathan M. Rothberg's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 11/29/2022 | HYPR | $222K | +109.1% | +92.2% | +6.3% |
| 11/14/2022 | HYPR | $59K | +32.3% | +50.5% | +4.5% |
| 8/12/2022 | HYPR | $537K | -45.2% | -17.0% | -4.4% |
| 6/14/2022 | QSI | $79K | +1.0% | -28.5% | +7.6% |
| 6/14/2022 | HYPR | $119K | -45.9% | -59.7% | +7.6% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 27, 2026
QSI impacted by regional tensions in Gulf markets. Saudi and Gulf stocks recently declined after the Houthis claimed attacks on Riyadh. This regional instability may affect sentiment for Quantum-Si Incorporated, which operates in the Middle East. The stock is currently trading within its 52-week range, with technical indicators showing a breakout signal.
Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 28, 2026
Hyperfine Expands Portable Brain MRI Reach to Gulf Markets. Hyperfine has announced that its portable brain MRI system will now be available in key Gulf Cooperation Council countries, expanding its global footprint. The move follows the company’s recent rollout in other international markets and could increase adoption in the region’s hospitals. BTIG has reiterated a bullish stance, keeping its $2 price target unchanged. These developments highlight growing interest in Hyperfine’s technology.
Transaction History
| BFLY | ▼ Sell | Open Market | 54,143 | $350K | 7/22/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 72,724 | $471K | 7/22/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 496,680 | $3.2M | 7/22/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 36,366 | $235K | 7/22/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 753,320 | $5.1M | 7/21/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 1,177,276 | $7.8M | 7/20/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 1,195,857 | $7.9M | 7/17/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 253,867 | $1.8M | 7/16/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 1,213,634 | $8.6M | 7/16/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 1,730,319 | $12.7M | 7/15/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 815,632 | $6.3M | 7/14/2026 | View on chart |
| BFLY | ▲ Buy | Grant | 25,447 | $0 | 6/22/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 335,834 | $1.4M | 1/8/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 452,729 | $1.9M | 1/7/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 351,617 | $1.4M | 1/6/2026 | View on chart |
| BFLY | ▼ Sell | Open Market | 14,911 | $60K | 12/26/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 2,673 | $11K | 12/24/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 44,781 | $179K | 12/23/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 37,964 | $119K | 12/16/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 50,360 | $158K | 12/16/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 196,662 | $617K | 12/16/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 601,308 | $1.9M | 12/15/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 82,262 | $253K | 12/12/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 111,031 | $342K | 12/12/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 123,354 | $380K | 12/11/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 288,918 | $905K | 12/10/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 176,070 | $547K | 12/9/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 543,601 | $1.8M | 12/8/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 225,726 | $739K | 12/8/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 37,598 | $116K | 12/5/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 64,198 | $197K | 12/4/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 132,570 | $408K | 11/28/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 442,539 | $1.4M | 11/26/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 224,920 | $735K | 11/25/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 224,919 | $735K | 11/25/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 224,919 | $735K | 11/25/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 370,193 | $1.2M | 11/24/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 370,193 | $1.2M | 11/24/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 370,193 | $1.2M | 11/24/2025 | View on chart |
| BFLY | ▼ Sell | Open Market | 100,502 | $309K | 11/3/2025 | View on chart |
| QSI | ▼ Sell | Open Market | 26,095 | $80K | 10/16/2025 | View on chart |
| BFLY | ▲ Buy | Grant | 80,434 | $0 | 6/13/2025 | View on chart |
| QSI | ▼ Sell | Open Market | 834,253 | $2.8M | 12/27/2024 | View on chart |
| QSI | ▼ Sell | Open Market | 42,313 | $173K | 12/27/2024 | View on chart |
| QSI | ▼ Sell | Open Market | 834,254 | $2.8M | 12/27/2024 | View on chart |
| QSI | ▼ Sell | Open Market | 42,313 | $173K | 12/27/2024 | View on chart |
| QSI | ▼ Sell | Open Market | 834,254 | $2.8M | 12/27/2024 | View on chart |
| QSI | ▼ Sell | Open Market | 42,313 | $173K | 12/27/2024 | View on chart |
| QSI | ▼ Sell | Open Market | 834,254 | $2.8M | 12/27/2024 | View on chart |
| QSI | ▼ Sell | Open Market | 42,313 | $173K | 12/27/2024 | View on chart |
| BFLY | ▼ Sell | Other | 952,277 | $929K | 8/28/2024 | View on chart |
| BFLY | ▲ Buy | Grant | 157,894 | $0 | 6/10/2024 | View on chart |
| BFLY | ▲ Buy | Grant | 65,789 | $0 | 6/20/2023 | View on chart |
| HYPR | ▲ Buy | Open Market | 229,215 | $188K | 11/30/2022 | View on chart |
| HYPR | ▲ Buy | Open Market | 47,007 | $34K | 11/29/2022 | View on chart |
| HYPR | ▲ Buy | Open Market | 31,139 | $29K | 11/15/2022 | View on chart |
| HYPR | ▲ Buy | Open Market | 34,488 | $31K | 11/14/2022 | View on chart |
| HYPR | ▲ Buy | Open Market | 64,213 | $95K | 8/16/2022 | View on chart |
| HYPR | ▲ Buy | Open Market | 303,137 | $442K | 8/12/2022 | View on chart |
| BFLY | ▲ Buy | Grant | 48,231 | $0 | 6/17/2022 | View on chart |
| QSI | ▲ Buy | Open Market | 25,561 | $79K | 6/14/2022 | View on chart |
| HYPR | ▲ Buy | Open Market | 52,848 | $119K | 6/14/2022 | View on chart |
| BFLY | ▼ Sell | Other | 6,202,545 | $0 | 3/21/2022 | View on chart |
| BFLY | ▼ Sell | Other | 6,202,545 | $0 | 3/21/2022 | View on chart |
| BFLY | ▼ Sell | Other | 6,202,545 | $0 | 3/21/2022 | View on chart |
| BFLY | ▼ Sell | Other | 6,202,545 | $0 | 3/21/2022 | View on chart |
| HYPR | ▲ Buy | Grant | 16,483 | $0 | 12/23/2021 | View on chart |
| HYPR | ▲ Buy | Grant | 104,074 | — | 12/22/2021 | View on chart |
| HYPR | ▲ Buy | Grant | 14,236,538 | — | 12/22/2021 | View on chart |
| HYPR | ▲ Buy | Grant | 818,750 | — | 12/22/2021 | View on chart |
| HYPR | ▲ Buy | Grant | 440,295 | — | 12/22/2021 | View on chart |
| HYPR | ▲ Buy | Grant | 585,737 | — | 12/22/2021 | View on chart |
| HYPR | ▲ Buy | Grant | 95,507 | — | 12/22/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 16, 2026
Butterfly Network Announces Long‑Term Alliance with VCOM and Gains New Coverage
Butterfly Network entered a long‑term partnership with the Edward Via College of Osteopathic Medicine to develop a new ultrasound education model. The collaboration aims to expand training tools for medical students. In addition, Canaccord Genuity started coverage on the stock, setting a price target of $10. The move reflects growing interest in Butterfly’s technology and its educational applications.
Butterfly Network Announces Long‑Term Alliance with VCOM and Gains New Coverage. Butterfly Network entered a long‑term partnership with the Edward Via College of Osteopathic Medicine to develop a new ultrasound education model. The collaboration aims to expand training tools for medical students. In addition, Canaccord Genuity started coverage on the stock, setting a price target of $10. The move reflects growing interest in Butterfly’s technology and its educational applications.