Marcella K. Ruddy - 10 Oct 2024 Form 3 Insider Report for Upstream Bio, Inc. (UPB)

Role
Director
Signature
/s/ Michael Gray, Attorney-in-Fact
Issuer symbol
UPB
Transactions as of
10 Oct 2024
Net transactions value
$0
Form type
3
Filing time
10 Oct 2024, 20:14:30 UTC
Previous filing
24 Jun 2024
Next filing
06 Feb 2025
SEC
View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding UPB Stock Option (Right to Buy) 10 Oct 2024 Common Stock 13,159 $3.45 Direct F1
holding UPB Stock Option (Right to Buy) 10 Oct 2024 Common Stock 43,115 $4.27 Direct F2
holding UPB Stock Option (Right to Buy) 10 Oct 2024 Common Stock 7,867 $4.87 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares underlying this option vest in forty-eight equal monthly installments following July 3, 2022, subject to the Reporting Person's continued service on each such vesting date.
F2 25% of the shares underlying this option vested on March 3, 2024, with the remainder vesting in thirty-six equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.
F3 25% of the shares underlying this option vested on August 10, 2024, with the remainder vesting in thirty-six equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.

Remarks:

Exhibit 24 - Power of Attorney