Climb Bio, Inc.

Climb Bio, Inc. insiders are currently net buyers of CLYM stock, showing bullish sentiment over the past 90 days. Executives have purchased $779.6K while selling $25.2K, resulting in a positive net flow of $754.5K. This buying activity represents 97% of total transaction volume.

Climb Bio, Inc. has 9 active insiders who have filed SEC Form 4 transactions in the past 90 days. Peter Kolchinsky (Executive) leads with 3 transactions totaling $754.7K. Aoife Brennan (Executive) follows with 3 transactions worth $25.2K. Open-market purchases require insiders to invest their own capital, demonstrating genuine conviction.

The Insider Alignment Score measures the ratio of buying to selling activity on a 0-100 scale. Climb Bio, Inc.'s current score of 97/100 indicates bullish insider sentiment. Scores above 60 suggest insiders are accumulating shares faster than selling, reflecting $779.6K in purchases versus $25.2K in sales.

The most recent insider transaction occurred on Jan 6, 2026, when Driscoll Cindy (Senior Vice President, Finance) acquired 100,000 shares at $0.00 per share for $0. This appears to be a discretionary trade.

Based on SEC Form 4 filings from the past 90 days, CLYM insider trading sentiment is currently bullish with an Alignment Score of 97/100. The net insider flow of $754.5K reflects accumulation, with 97% of volume being purchases.

SEC Form 4 is the primary disclosure mechanism for insider trading at publicly traded companies like Climb Bio, Inc.. Corporate insiders must file within two business days of any transaction, making it one of the most timely sources of executive sentiment. At CLYM, we track all Form 4 filings—currently showing 15 transactions from 9 insiders over 90 days.

A 10b5-1 plan allows Climb Bio, Inc. executives to pre-schedule stock sales when they don't possess material non-public information. At CLYM, approximately 7% of recent transactions are 10b5-1 trades. The remaining 93% are discretionary trades, which may carry more informational value.

You can monitor Climb Bio, Inc. (CLYM) insider trading activity on this page, which updates within hours of new SEC Form 4 filings. We track all 9 active insiders and provide real-time transaction feeds, the Alignment Score, 10b5-1 vs. discretionary breakdowns, and direct links to SEC EDGAR filings.

Our Alignment Score measures the ratio of insider buying to selling on a scale of 0-100. A score above 70 indicates strong bullish sentiment, while below 30 suggests bearish activity. Climb Bio, Inc.'s current score of 97/100 indicates strong bullish sentiment with executives accumulating shares. This is calculated from $779.6K in purchases versus $25.2K in sales over 90 days, resulting in a net flow of $754.5K.

SEC Form 4 filings are mandatory reports that Climb Bio, Inc. insiders must submit within 2 business days. Each filing includes the insider's name, relationship, transaction type, shares, and price. Transaction codes: P (purchase), S (sale), A (award), M (option exercise), G (gift). At CLYM, the most common type is "A" with 7 occurrences. The most recent Form 4 was filed on Jan 6, 2026 by Driscoll Cindy.

Rule 10b5-1 allows corporate insiders to establish pre-scheduled trading plans when they don't possess material non-public information. At Climb Bio, Inc., approximately 7% of recent transactions are executed under 10b5-1 plans, while 93% appear to be discretionary trades. The low percentage means most insider activity at CLYM represents discretionary decisions with more informational value.