Stephen Basil Thomas - 07 Aug 2025 Form 4 Insider Report for Climb Bio, Inc. (CLYM)

Reporting relationship: Director
Issuer ticker: CLYM
Reported as of: 07 Aug 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 Aug 2025, 16:15:08 UTC
Prior SEC filing: 01 Jul 2025
Next SEC filing: 17 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Chandra Adams, as Attorney-in-Fact

Key filing fact

Stephen Basil Thomas filed Form 4 for Climb Bio, Inc. (CLYM) on 11 Aug 2025.

Key facts

This page summarizes Stephen Basil Thomas's Form 4 filing for Climb Bio, Inc. (CLYM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 11 Aug 2025, 16:15.

Change

Previous filing in this sequence was filed on 01 Jul 2025.
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

Reporting Owners (1)

CIK 0002027962 Primary reporting owner

Thomas Stephen Basil

Relationship: Director
Address: C/O CLIMB BIO, INC., 20 WILLIAM STREET, SUITE 145, WELLESLEY HILLS
Signature: /s/ Chandra Adams, as Attorney-in-Fact
Signature date: 11 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CLYM transaction

Common Stock

Award

Transaction value: $0
Shares: +100,375
Change %: +49%
Price: $0.000000
Shares after: 304,657
Date: 07 Aug 2025
Ownership: Direct
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

On June 27, 2024, the reporting person was granted restricted stock units ("RSUs") to acquire a total of 100,375 shares of common stock that vested based on the achievement of certain performance-based milestones and subject to continuous service. On August 7, 2025, the milestones were deemed to be achieved, resulting in the vesting of the RSUs as to all 100,375 shares.