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CIK 0001768446 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company

Climb Bio, Inc.

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Ticker
CLYM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
832273741
Phone
1-866-857-2596
Business address
20 WILLIAM STREET, SUITE G50, WELLESLEY HILLS, MA
Former names
Eliem Therapeutics, Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$1,366,820
in 1 filing, $1.4M under 10b5-1 plans

Net −$1,366,820. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Thomas Stephen Basil −$1.4M Director sold 18% of stake
Date Insider Transaction Shares Price Value Owned after
2026-06-05 Dunn Judith Director Grant or award · Stock Option (Right to Buy) +40,000 40,000
2026-04-29 RA CAPITAL MANAGEMENT, L.P. Director Grant or award · Pre-Funded Warrants (Right to Buy) +2,106,000 $9.50 $20.0M 22,546,000
2026-02-26 Thomas Stephen Basil Director Sale 10b5-1 −16,313 $7.01 $114K 154,657
2026-02-25 Thomas Stephen Basil Director Sale 10b5-1 −33,687 $7.00 $236K 170,970
2026-02-13 Thomas Stephen Basil Director Sale 10b5-1 −10,000 $5.81 $58K 204,657
2026-02-12 Thomas Stephen Basil Director Sale 10b5-1 −90,000 $5.23 $471K 214,657
2026-01-06 Brennan Aoife President and CEO Grant or award · Stock Option (Right to Buy) +700,000 700,000
2026-01-06 Wilson Perrin Megan Chief Business Officer Grant or award · Stock Option (Right to Buy) +300,000 300,000
2026-01-06 ALTSCHULLER Susan Chief Financial Officer Grant or award · Stock Option (Right to Buy) +142,500 142,500
2026-01-06 Driscoll Cindy Senior Vice President, Finance Grant or award · Stock Option (Right to Buy) +100,000 100,000
2026-01-05 RA CAPITAL MANAGEMENT, L.P. Director Purchase +7,111 $3.50 $25K 3,403,429
2025-12-12 RA CAPITAL MANAGEMENT, L.P. Director Purchase +101,462 $2.86 $290K 3,396,318
2025-12-11 RA CAPITAL MANAGEMENT, L.P. Director Returned to the company −20,440,000 3,081,757
2025-12-11 RA CAPITAL MANAGEMENT, L.P. Director Purchase +213,099 $2.18 $465K 3,294,856
2025-12-11 RA CAPITAL MANAGEMENT, L.P. Director Grant or award · Pre-Funded Warrants (Right to Buy) +20,440,000 20,440,000
2025-10-01 ALTSCHULLER Susan Chief Financial Officer Grant or award · Stock Option (Right to Buy) +600,000 600,000
2025-08-07 Thomas Stephen Basil Director Grant or award +100,375 304,657
2025-06-30 Brennan Aoife President and CEO Sale 10b5-1 −20,618 $1.22 $25K 48,132
2025-06-27 Brennan Aoife President and CEO Option exercise 10b5-1 +68,750 68,750
2025-06-27 Brennan Aoife President and CEO Option exercise · Restricted Stock Units 10b5-1 −68,750 206,250

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