Upstream Bio, Inc.·4

Oct 15, 7:21 PM ET

Wellington Biomedical Innovation Master Investors (Cayman) II L.P. 4

4 · Upstream Bio, Inc. · Filed Oct 15, 2024

Insider Transaction Report

Form 4
Period: 2024-10-15
Transactions
  • Conversion

    Series B redeemable convertible preferred stock

    2024-10-15852,9400 total
    Common Stock (894,733 underlying)
  • Conversion

    Common Stock

    2024-10-15+894,733894,733 total
Footnotes (1)
  • [F1]Each share of Series B redeemable convertible preferred stock automatically converted into Common Stock on a 1.049-for-one basis upon closing of the Issuer's initial public offering without payment of consideration. The Series B redeemable convertible preferred stock had no expiration date.

Documents

1 file
  • 4
    ownership.xmlPrimary

    4