Insider · CIK 0001903360
Wellington Biomedical Innovation Master Investors (Cayman) II L.P.
owner
Files at UPB (Upstream Bio, Inc.). First filing -, latest -.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold
Signals
This insider’s open-market buys and sells, scored.
No scored open-market trades yet.
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 15, 2024 | UPB Upstream Bio, Inc. | CConversion Common Stock | +894,733 | - | - | 894,733 | Oct 15, 2024 |
| Oct 15, 2024 | UPB Upstream Bio, Inc. | CConversion Series B redeemable convertible preferred stockderivative | -852,940 | $0.00 | $0 | 0 | Oct 15, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.