Updated: May 19, 2026

Allison Ambrose

UPBUpstream Bio, Inc.SEC CIK: 0002047381
Estimated Net Worth
$133 Thousand
Last Updated: May 19, 2026 11:58 PM EST

Transaction Summary

Total Transactions5
Buy-Sell Ratio3.00
Buy Transactions3
Sell Transactions1

Transaction Volume

Total Volume$4.41K
Net Volume-$4.41K
Buy Volume$0
Sell Volume$4.41K

Trade Analysis

AVG Trade Size$882.55
Largest Trade$4.41K
Most Active MonthDec
Most Active Year2026

Trading Sentiment

OverallBearish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Allison Ambrose does not have any significant net worth to report based on the numbers we have. This is based on reported shares in Upstream Bio, Inc..



2026 was Allison Ambrose's most active year for acquiring shares with 2 total transactions. Allison Ambrose's most active month to acquire stocks was the month of December. 2026 was Allison Ambrose's most active year for disposing of shares, totalling 1 transactions. Allison Ambrose's most active month to dispose stocks was the month of February. 2024 saw Allison Ambrose paying a total of $0.00 for 100,000 shares, this is the most they've acquired in one year. In 2026 Allison Ambrose cashed out on 475 shares for a total of $4,412.75, their largest year based on trade value.

Holdings & Transactions

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