Arkolith/Insider Trading/UPB/Form 4

Chimovits Erez

Director, 10% OwnerUpstream Bio, Inc. (UPB) · full profile →Form 4 · filed Oct 17, 2024
Net Buying
Open-Market Buys
$14.0M
Open-Market Sells
$0
Net Open-Market Flow
$14.0M
Transactions
8
4 non-derivative · 4 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Oct 15, 2024Conversion(C)722K——974K
Oct 15, 2024Buy(P)165K$17.00$2.8M1.1M
Oct 15, 2024Conversion(C)2.9M——3.9M
Oct 15, 2024Buy(P)660K$17.00$11.2M4.6M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Oct 15, 2024Conversion(C)197K——0
Oct 15, 2024Conversion(C)2.1M——0
Oct 15, 2024Conversion(C)525K——0
Oct 15, 2024Conversion(C)790K——0

Transaction Codes

C
Conversion of a derivative
P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000947871-24-000807) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML