Ambrose Allison

Upstream Bio, Inc. · General Counsel

Ambrose Allison is listed in public filings as officer: General Counsel. This Ambrose Allison insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Upstream Bio, Inc. (UPB). Investors use Ambrose Allison's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Upstream Bio, Inc.UPB$154k16.5k sharesSellMar 16, 2026$4.4K475 shares$9.29--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Upstream Bio, Inc.UPB$1.4M51k sharesGrant / ExerciseJan 2, 2026$1.4M51k shares$27.07--
Upstream Bio, Inc.UPB--17k sharesGrant / ExerciseJan 2, 2026Disclosure amount unavailable17k shares----