Insiders / Chang Carmen
Chang Carmen
CIK 1746342personinsider
Companies
3
First seen
Feb 5, 2026
Last activity
Mar 12, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Trevi Therapeutics, Inc. · TRVI | 12,273,280 | — |
| SpyGlass Pharma, Inc. · SGP | 7,392,301 | — |
| Korro Bio, Inc. · KRRO | 1,297,893 | — |
All securities held
4 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Korro Bio, Inc. | Common Stock | 1,297,893 |
| Korro Bio, Inc. | Pre-Funded WarrantsDerivative | 242,945 |
| SpyGlass Pharma, Inc. | Common Stock | 7,392,301 |
| Trevi Therapeutics, Inc. | Common Stock | 12,273,280 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 9, 2026 | Buy | SGP SpyGlass Pharma, Inc. Common Stock | $15.00M | +938K +18.39% | 6,035,038 18.04% of shares | high |
| Apr 17, 2025 | Exercise | TRVI Trevi Therapeutics, Inc. Common Stock | $2.54M | +1.9M +17.77% | 12,273,280 8.61% of shares | low |
| Mar 10, 2026 | Buy | KRRO Korro Bio, Inc. Common Stock | $2.30M | +207K +18.99% | 1,297,893 8.81% of shares | high |
| Apr 17, 2025 | Exercise | TRVI Trevi Therapeutics, Inc. 3.5-Year Common Stock Warrant | — | -1.9M -100.00% | 0 0.00% of shares | low |
| Feb 9, 2026 | Other | SGP SpyGlass Pharma, Inc. Series B Preferred Stock | — | -402K -100.00% | 0 0.00% of shares | low |
| Feb 9, 2026 | Other | SGP SpyGlass Pharma, Inc. Series A Preferred Stock | — | -955K -100.00% | 0 0.00% of shares | low |
| Feb 9, 2026 | Other | SGP SpyGlass Pharma, Inc. Series D Preferred Stock | — | -738K -100.00% | 0 0.00% of shares | low |
| Feb 9, 2026 | Other | SGP SpyGlass Pharma, Inc. Series C-2 Preferred Stock | — | -1.4M -100.00% | 0 0.00% of shares | low |
| Feb 9, 2026 | Other | SGP SpyGlass Pharma, Inc. Series C-1 Preferred Stock | — | -1.4M -100.00% | 0 0.00% of shares | low |
| Feb 9, 2026 | Other | SGP SpyGlass Pharma, Inc. Series B Preferred Stock | — | -1.6M -100.00% | 0 0.00% of shares | low |