Chang Carmen

Track

Insider profile

Performance

Overall performance
3.8
Performance over holding periods
3.8
30 days 90 days 120 days
Average return 18% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
4 50% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Chang Carmen's trades of Korro Bio Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-12 2026-03-10
US Korro Bio Inc (KRRO)
B Purchase
27,144 +3.6%
490.00
US$765,517 		27,144 +3.6% 490.00 US$765,517
2026-02-11 2026-02-09
B Purchase
82,982 +20.0%
164.74
US$2,950,816 		82,982 +20.0% 164.74 US$2,950,816
2025-10-06 2025-10-02
S Sale
54,498 -42.8%
339.16
US$2,240,183 		54,498 -42.8% 339.16 US$2,240,183
2025-10-06 2025-10-02
S Sale
2,455 -0.1%
6.75
US$16,571 		2,455 -0.1% 6.75 US$16,571
2025-10-06 2025-10-02
S Sale
280 -0.1%
6.75
US$1,890 		280 -0.1% 6.75 US$1,890
2025-10-06 2025-10-02
S Sale
280 -0.0%
6.75
US$1,890 		280 -0.0% 6.75 US$1,890
2024-09-17 2024-09-16
B Purchase
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-04-24 2024-04-22
US Korro Bio Inc (KRRO)
B Purchase
17,857 +1.7%
56.00
US$999,992 		17,857 +1.7% 56.00 US$999,992
2023-07-19 2023-07-17
US Savara Inc (SVRA)
B Purchase
333,333 +1.4%
3.00
US$999,999 		333,333 +1.4% 3.00 US$999,999
2023-03-17 2023-03-15
US Coursera Inc (COUR)
S Sale
1,226 -3.7%
11.82
US$14,497 		1,226 -3.7% 11.82 US$14,497
2022-05-26 2022-05-25
S Sale
4,445,093 -100.0%
0.08
US$362,720 		4,445,093 -100.0% 0.08 US$362,720
2022-05-26 2022-05-24
S Sale
5,931,843 -57.2%
0.07
US$387,943 		5,931,843 -57.2% 0.07 US$387,943
2022-04-13 2022-04-11
B Purchase
948,948 +inf%
1.90
US$1,803,001 		948,948 +inf% 1.90 US$1,803,001
2022-04-13 2022-04-11
B Purchase
2,631,578 +33.8%
1.90
US$4,999,998 		2,631,578 +33.8% 1.90 US$4,999,998
2021-10-19 2021-10-18
B Purchase
1,851,852
0.00
US$0 		1,851,852 0.00 US$0
2021-03-18 2021-03-16
B Purchase
5,714,285 +114.3%
1.75
US$9,999,999 		5,714,285 +114.3% 1.75 US$9,999,999
2020-12-07 2020-12-04
B Purchase
4,398,602 +214.3%
0.62
US$2,735,930 		4,398,602 +214.3% 0.62 US$2,735,930
2020-09-22 2020-09-18
B Purchase
769,230 +33.6%
13.00
US$9,999,990 		769,230 +33.6% 13.00 US$9,999,990
2020-07-28 2020-07-24
B Purchase
3,151,260 +43.6%
2.25
US$7,090,335 		3,151,260 +43.6% 2.25 US$7,090,335
2020-07-01 2020-06-30
US Akouos Inc (AKUS)
B Purchase
588,235 +15.9%
17.00
US$9,999,995 		588,235 +15.9% 17.00 US$9,999,995
2020-04-13 2020-04-03
S Sale
564 -0.0%
2.66
US$1,500 		564 -0.0% 2.66 US$1,500
2019-07-24 2019-07-22
B Purchase
450,000 +12.0%
15.00
US$6,750,000 		450,000 +12.0% 15.00 US$6,750,000
2019-06-25 2019-06-24
B Purchase
2,857,142 +65.4%
3.50
US$9,999,997 		2,857,142 +65.4% 3.50 US$9,999,997
2019-05-13 2019-05-09
B Purchase
1,500,000 +51.0%
10.00
US$15,000,000 		1,500,000 +51.0% 10.00 US$15,000,000
2019-05-13 2019-05-09
B Purchase
1,000,000 +51.6%
10.00
US$10,000,000 		1,000,000 +51.6% 10.00 US$10,000,000
2019-05-09 2019-05-07
B Purchase
1,136,704 +124.1%
1.08
US$1,227,640 		1,136,704 +124.1% 1.08 US$1,227,640
2019-02-19 2019-02-14
B Purchase
9,948,269 +39.8%
0.47
US$4,688,619 		9,948,269 +39.8% 0.47 US$4,688,619