Ambrose Allison

Track

Insider profile

Performance

Overall performance
2.5
Performance over holding periods
2.5
30 days 90 days 120 days
Average return -11% 8.2% 15.1%
Success rate 0% 68% 82%
Transactions
2 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Ambrose Allison's trades of Upstream Bio Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Sale
Price
183.61
Quantity 95,018 +20.5%
Value US$1,133,660
Transaction date
Sale
Price
183.86
Quantity 49,480 -4.5%
Value US$1,962,710
Transaction date
Sale
Price
43.60
Quantity 45,984 -30.2%
Value US$383,926
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-17 2026-09-16
S Sale
95,018 +20.5%
183.61
US$1,133,660 		95,018 +20.5% 183.61 US$1,133,660
2026-06-17 2026-06-16
S Sale
49,480 -4.5%
183.86
US$1,962,710 		49,480 -4.5% 183.86 US$1,962,710
2026-03-17 2026-03-16
S Sale
45,984 -30.2%
43.60
US$383,926 		45,984 -30.2% 43.60 US$383,926