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EdgarHawk

Chimovits Erez

Director

Director 10% Owner
1 filing analyzed · 1 company · Latest 2024-10-17

Companies

Company Buys Sells Direction
Upstream Bio, Inc. UPB 4 0 Net buying

Activity

October 2024
2024-10-17 Upstream Bio, Inc. UPB
high
Buy
825,000 shares
$14,025,000
Significance 8/10

Director Chimovits Erez bought 825,000 shares for $14,025,000.00 at $17.00; part of 2-transaction cluster buy by 3 insiders in 14 days.

Erez, a Director, executed 2 separate purchases totaling 825,000 shares (825.0K shares) for $14,025,000.00 at $17.00 on 2024-10-15, raising his holdings from 3,729,873 shares to 4,554,873 shares (+22.1% net change). This filing is part of a cluster: 2 other insiders also bought within the past 14 days. The company recently listed (5 trading days prior), so post-IPO lockup periods and promotional buying patterns are highly relevant context. Current stock price is $23.60 as of 2024-10-17. The insider holds derivative securities (Form 4 Table II not yet populated in our database), so the Table I holdings do not represent the full position; this is a conversion transaction, not a pure equity purchase.

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