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UPB insider trading

Upstream Bio, Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
3
Bought · 24 mo
$48.0M
Buys · last 90 days
0 · $0
Most recent buy
2024-10-17

Cluster buy detected

3 insiders bought UPB within a short window (2024-10-15), $48.0M in total — cluster score 44/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2024-10-17Chimovits Erezcluster
Director · 10% owner
Bought825,000$17.00$14.0M
2024-10-17ORBIMED ADVISORS LLCcluster
Director · 10% owner
Bought825,000$17.00$14.0M
2024-10-17ACCESS INDUSTRIES MANAGEMENT, LLCcluster
10% owner
Bought1,175,000$17.00$20.0M

Most active insider buyers

InsiderRoleBuysTotal bought
ACCESS INDUSTRIES MANAGEMENT, LLC10% owner1$20.0M
Chimovits ErezDirector · 10% owner1$14.0M
ORBIMED ADVISORS LLCDirector · 10% owner1$14.0M

See UPB on the chart

Every insider buy and sell for UPB plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.