Everett Rand Sutherland - 06 Feb 2025 Form 4 Insider Report for Upstream Bio, Inc. (UPB)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: UPB
Reported as of: 06 Feb 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 07 Feb 2025, 17:32:21 UTC
Prior SEC filing: 10 Oct 2024
Next SEC filing: 30 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Allison Ambrose, Attorney-in-Fact

Key filing fact

Everett Rand Sutherland filed Form 4 for Upstream Bio, Inc. (UPB) on 07 Feb 2025.

Key facts

This page summarizes Everett Rand Sutherland's Form 4 filing for Upstream Bio, Inc. (UPB).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 07 Feb 2025, 17:32.

Change

Previous filing in this sequence was filed on 10 Oct 2024.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

UPB transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +500,000
Change %
Price: $0.000000
Shares after: 500,000
Date: 06 Feb 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 500,000
Exercise price: $8.53
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The shares underlying this option shall vest in forty-eight equal monthly installments following February 6, 2025, subject to the Reporting Person's continued service on each such vesting date.

SEC remarks

Exhibit 24.2 - Substitute Power of Attorney