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$UPB All transactions

Upstream Bio, Inc.

A

$ Value

$0

Shares

17,096

Price

$0

Filed

Jun 12

Insider

Name

Fleming Harold Edward

Title

CIK

0001857250

Roles

Director

Transaction Details

Transaction Date

2025-06-10

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

17,096

Footnotes

The shares underlying this option shall vest upon the earlier of (i) June 10, 2026 and (ii) the date of the next Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continued service on such vesting date. | Mr. Fleming has agreed to receive and hold for the benefit of Enavate Sciences, LP, any securities granted to him for his service as a director on the Issuer's board of directors. As such, Mr. Fleming disclaims beneficial ownership of, and all right, title and interest in, the option and the shares issuable upon exercise thereof.

Filing Info

Accession No.

0000950170-25-085372

Form Type

4

Issuer CIK

0002022626

Fleming Harold Edward's History

Date Ticker Type Value
2025-06-12 SION A $0
2025-06-10 UPB A $0
2025-06-05 CRSP A $0

Other Insiders at UPB (90d)

No other insider activity at this issuer in the last 90 days.