- Corporate Officers - C
- Chang Carmen
Insider Trading History of Chang Carmen
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Chang Carmen since 2019.
This trader's CIK number is 1746342.
At the time of last reporting, Chang Carmen was the Officer of Spyglass Pharma, Inc.. (stock ticker symbol SGP).
Also see all insider trading activities at Spyglass Pharma, Inc..
Note that in the past
Chang Carmen also reported insider trading activities as an insider of the following companies:
Insider Activities at Spyglass Pharma, Inc. (SGP)
Insider Activities at Neuehealth, Inc. (NEUE)
Insider Activities at Mbx Biosciences, Inc. (MBX)
Insider Activities at Korro Bio, Inc. (KRRO)
Insider Activities at Savara Inc (SVRA)
Insider Activities at Genocea Biosciences, Inc. (GNCA)
Insider Activities at Trevi Therapeutics, Inc. (TRVI)
Insider Activities at Metacrine, Inc. (MTCR)
Insider Activities at Marker Therapeutics, Inc. (MRKR)
Insider Activities at Regulus Therapeutics Inc. (RGLS)
Insider Activities at Akouos, Inc. (AKUS)
Insider Activities at Mirum Pharmaceuticals, Inc. (MIRM)
Yearly summary of insider trading at Akouos, Inc. (AKUS) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | AKUS | 588,235 | $9,999,995 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Savara Inc (SVRA) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | SVRA | 333,333 | $999,999 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Mbx Biosciences, Inc. (MBX) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | MBX | 500,000 | $8,000,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Genocea Biosciences, Inc. (GNCA) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | GNCA | 0 | $0 | 10,376,936 | $750,066 | 0 | $0 |
| 2020 | GNCA | 3,151,260 | $7,090,335 | 0 | $0 | 0 | $0 |
| 2019 | GNCA | 12,805,411 | $14,685,631 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Neuehealth, Inc. (NEUE) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | NEUE | 0 | $0 | 3,915 | $26,426 | 682,468 | $6,824 |
| 2021 | NEUE | 1,944,444 | $34,999,992 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Trevi Therapeutics, Inc. (TRVI) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | TRVI | 3,580,526 | $6,802,999 | 0 | $0 | 0 | $0 |
| 2021 | TRVI | 1,851,852 | $0 | 0 | $0 | 0 | $0 |
| 2020 | TRVI | 0 | $0 | 564 | $1,500 | 0 | $0 |
| 2019 | TRVI | 2,500,000 | $25,000,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Korro Bio, Inc. (KRRO) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | KRRO | 17,857 | $999,992 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Regulus Therapeutics Inc. (RGLS) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | RGLS | 4,398,602 | $2,735,930 | 0 | $0 | 0 | $0 |
| 2019 | RGLS | 1,136,704 | $1,227,640 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Marker Therapeutics, Inc. (MRKR) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | MRKR | 5,714,285 | $9,999,998 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Spyglass Pharma, Inc. (SGP) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | SGP | 937,500 | $15,000,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Mirum Pharmaceuticals, Inc. (MIRM) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2019 | MIRM | 450,000 | $6,750,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Metacrine, Inc. (MTCR) by Chang Carmen
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | MTCR | 0 | $0 | 497,270 | $489,102 | 0 | $0 |
| 2020 | MTCR | 769,230 | $9,999,990 | 0 | $0 | 0 | $0 |
Insider trading activities at 12 companies by Chang Carmen:
1. Akouos, Inc. (AKUS)
2. Savara Inc (SVRA)
3. Mbx Biosciences, Inc. (MBX)
4. Genocea Biosciences, Inc. (GNCA)
5. Neuehealth, Inc. (NEUE)
6. Trevi Therapeutics, Inc. (TRVI)
7. Korro Bio, Inc. (KRRO)
8. Regulus Therapeutics Inc. (RGLS)
9. Marker Therapeutics, Inc. (MRKR)
10. Spyglass Pharma, Inc. (SGP)
11. Mirum Pharmaceuticals, Inc. (MIRM)
12. Metacrine, Inc. (MTCR)
Table 1. Insider trading of Akouos, Inc. (AKUS) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-06-30 | AKUS | Buy | 588,235 | 17.00 | 9,999,995 |
Table 2. Insider trading of Savara Inc (SVRA) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-07-17 | SVRA | Buy | 333,333 | 3.00 | 999,999 |
Table 3. Insider trading of Mbx Biosciences, Inc. (MBX) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-09-16 | MBX | Buy | 500,000 | 16.00 | 8,000,000 |
Table 4. Insider trading of Genocea Biosciences, Inc. (GNCA) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-05-25 | GNCA | Sale | 4,445,093 | .08 | 364,497 |
| 2022-05-24 | GNCA | Sale | 5,931,843 | .07 | 385,569 |
| 2020-07-24 | GNCA | Buy | 3,151,260 | 2.25 | 7,090,335 |
| 2019-06-24 | GNCA | Buy | 2,857,142 | 3.50 | 9,999,997 |
| 2019-02-14 | GNCA | Buy | 9,948,269 | .47 | 4,685,634 |
Table 5. Insider trading of Neuehealth, Inc. (NEUE) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-10-02 | NEUE | Option Ex | 682,468 | .01 | 6,824 |
| 2025-10-02 | NEUE | Sale | 3,915 | 6.75 | 26,426 |
| 2021-06-28 | BHG | Buy | 1,944,444 | 18.00 | 34,999,992 |
Table 6. Insider trading of Trevi Therapeutics, Inc. (TRVI) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-04-11 | TRVI | Buy | 3,580,526 | 1.90 | 6,802,999 |
| 2021-10-18 | TRVI | Buy | 1,851,852 | .00 | 0 |
| 2020-04-03 | TRVI | Sale | 564 | 2.66 | 1,500 |
| 2019-05-09 | TRVI | Buy | 2,500,000 | 10.00 | 25,000,000 |
Table 7. Insider trading of Korro Bio, Inc. (KRRO) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-04-22 | KRRO | Buy | 17,857 | 56.00 | 999,992 |
Table 8. Insider trading of Regulus Therapeutics Inc. (RGLS) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-12-04 | RGLS | Buy | 4,398,602 | .62 | 2,735,930 |
| 2019-05-07 | RGLS | Buy | 1,136,704 | 1.08 | 1,227,640 |
Table 9. Insider trading of Marker Therapeutics, Inc. (MRKR) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-03-16 | MRKR | Buy | 5,714,285 | 1.75 | 9,999,998 |
Table 10. Insider trading of Spyglass Pharma, Inc. (SGP) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-02-09 | SGP | Buy | 937,500 | 16.00 | 15,000,000 |
Table 11. Insider trading of Mirum Pharmaceuticals, Inc. (MIRM) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2019-07-22 | MIRM | Buy | 450,000 | 15.00 | 6,750,000 |
Table 12. Insider trading of Metacrine, Inc. (MTCR) by Chang Carmen
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-12-10 | MTCR | Sale | 37,570 | 1.32 | 49,629 |
| 2021-12-22 | MTCR | Sale | 459,700 | .96 | 439,473 |
| 2020-09-18 | MTCR | Buy | 769,230 | 13.00 | 9,999,990 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Chang Carmen
(Officer of Spyglass Pharma, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.