| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | 10% Owner | Director, 10% Owner
10 companies
Chang Carmen is a 10% Owner at SVRA, with reported holdings spanning 10 companies. Recent filings cover 15 purchases and 6 sales. Those positions are worth an estimated $108.4M at current prices.
Our model assigns Chang Carmen a below-average insider score of 47/100, based on 9 past trades. Over a 12-month horizon, 25.0% of those trades were profitable, with an average 12-month return of -24.1%.
Chang Carmen's largest disclosed position is in SVRA as 10% Owner, worth about $73.4M. Net of sales, the recent Form 4 record there shows accumulation of 333,333 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | KRRO Korro Bio, Inc. | 10% Owner | Buy | 207,100 | $11.11 | $2,300,881.00 | +19.0% | -7.8% | - | |
| Feb 9, 2026 | SGP Spyglass Pharma, Inc. | 10% Owner | Buy | 937,500 | $16.00 | $15,000,000.00 | +18.4% | -9.2% | - | |
| Oct 2, 2025 | NEUE Neuehealth, Inc. | Director, 10% Owner | Sale+OE | 3,915 | $6.75 | $26,426.25 | -0.2% | - | - | |
| Sep 16, 2024 | MBX Mbx Biosciences, Inc. | 10% Owner | Buy | 500,000 | $16.00 | $8,000,000.00 | +16.1% | -11.6% | -55.0% | |
| Apr 22, 2024 | KRRO Korro Bio, Inc. | 10% Owner | Buy | 17,857 | $56.00 | $999,992.00 | +1.7% | -29.2% | -76.1% | |
| Jul 17, 2023 | SVRA Savara Inc | 10% Owner | Buy | 333,333 | $3.00 | $999,999.00 | +1.4% | +11.8% | +58.0% | |
| Mar 15, 2023 | COUR Coursera, Inc. | Director | Sell | 1,226 | $11.82 | $14,496.59 | -3.7% | +11.1% | +21.7% | |
| Apr 11, 2022 | TRVI Trevi Therapeutics, Inc. | 10% Owner | Buy | 3,580,526 | $1.90 | $6,802,999.40 | -136.1% | +31.2% | -32.7% | |
| Oct 18, 2021 | TRVI Trevi Therapeutics, Inc. | 10% Owner | Buy | 1,851,852 | $0.00 | - | +31.2% | -40.8% | +62.7% | |
| Jun 28, 2021 | NEUE Neuehealth, Inc. | 10% Owner | Buy | 1,944,444 | $18.00 | $34,999,992.00 | +8.8% | - | - |