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INSIDER · CIK 2047381

Ambrose Allison

General Counsel at Upstream Bio, Inc. (UPB)

↗1 Form 4 rows in the window

Covers original filings from Aug 1, 2026 to Oct 29, 2026. Older trades and amendments are in the SEC history.

$0.00Bought on the market
$3KSold on the market
1Companies
Sep 17, 2026Latest filing
Form 4 trades by Ambrose Allison
CompanyTitleTypeOwned
Sep 17, 202616:05Sep 16, 2026UPBUpstream Bio, Inc.General CounselS · Sell$5.49−48515,563-3%−$3K
Ambrose Allison Insider Trades (UPB) | Shameless Cloning