Chang Carmen
CIK 0001746342
Director10% Owner
Filings
23
Latest Mar 12, 2026
Issuers covered
10
Showing
23 of 23
Page 1
Track record
9 of 15 open-market trades scored (60% price coverage) - 6 issuers without price data. Returns are signed: a +10% move on a sale shows as -10% (insider was wrong).
| Horizon | Trades | Win rate | Avg | Median | Best | Worst |
|---|---|---|---|---|---|---|
| 30 days | 9 | 56% | -7.7% | +3.5% | +13.9% | -36.8% |
| 90 days | 8 | 38% | -6.2% | -10.2% | +31.3% | -62.6% |
| 180 days | 7 | 29% | -28.1% | -36.0% | +35.7% | -59.1% |
| 365 days | 7 | 14% | -31.5% | -32.7% | +58.0% | -76.1% |
Issuers
Companies where Chang Carmen has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| BHG | Bright Health Group Inc. | 8 | Oct 6, 2025 |
| COUR | Coursera, Inc. | 6 | May 23, 2025 |
| KRRO | Korro Bio, Inc. | 2 | Mar 12, 2026 |
| GNCA | Genocea Biosciences, Inc. | 1 | May 26, 2022 |
| MBX | Mbx Biosciences, Inc. | 1 | Sep 17, 2024 |
| MRKR | Marker Therapeutics, Inc. | 1 | Dec 23, 2024 |
| MIRM | Mirum Pharmaceuticals, Inc. | 1 | Jun 15, 2023 |
| SVRA | Savara Inc | 1 | Jul 19, 2023 |
| SGP | Spyglass Pharma, Inc. | 1 | Feb 11, 2026 |
| TRVI | Trevi Therapeutics, Inc. | 1 | Apr 13, 2022 |
All filings
23 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|