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EdgarHawk

RTW INVESTMENTS, LP

10% Owner

10% Owner

Latest: Insider buying · April 2026

3 filings analyzed · 2 companies · Latest 2026-04-22

Companies

Company Buys Sells Direction
Kailera Therapeutics, Inc. KLRA 2 0 Net buying
Orchestra BioMed Holdings, Inc. OBIO 2 0 Net buying

Activity

April 2026
high
Buy
500,000 shares
$8,000,000
Significance 7/10

RTW Investments (10% owner) purchased 500,000 shares of KLRA at $16.00 on 2026-04-20 ($8.0M); 4 other insiders also bought within 14 days

RTW Investments, a 10% shareholder, bought 500,000 shares at $16.00 for $8.0M on 2026-04-20, increasing holdings from 10.28M to 10.78M shares (+4.9%). This purchase is part of a cluster pattern: 4 other insiders also bought within the past 14 days. The transaction occurred on a recently listed stock (4 trading days old at current valuation), where the current price of $24.30 is notably higher than the transaction price, though direct price-performance attribution to insider motivation is not determinable from the facts presented. The concurrent buying activity by multiple insiders during the critical early trading period suggests organized accumulation rather than isolated investor activity.

May 2025
medium
Buy
49,900 shares
$149,201
Significance 4/10

RTW Investments, LP (10% owner) purchased 49,900 shares of OBIO at $2.99; stock down 68.2% from 52-week high amid continued losses.

RTW Investments bought 49,900 shares at $2.99 on 2025-04-30, adding to 8.31M shares post-transaction. The purchase follows a consecutive-day buy on 2025-04-29, indicating sustained accumulation activity at depressed price levels. However, context suggests caution: Orchestra BioMed posted net income of $-15.4M in the latest quarter against revenue of $987.0K, with annual revenue declining 4.4% year-over-year. The stock trades at $2.75 current price, down 68.2% from its 52-week high of $8.64, and has fallen 47.5% over the past 90 days. While the insider's cross-ticker track record shows 1 prior buy, neither same-ticker purchase has sufficient history to evaluate timing outcomes. The pattern reflects open-market accumulation at an oversold valuation, but fundamental deterioration—mounting losses coupled with shrinking revenue—warrants scrutiny before interpreting this as a contrarian opportunity.

April 2025
medium
Buy
50,000 shares
$126,500
Significance 2/10

10% holder RTW Investments purchases 50.0K OBIO shares at $2.53, amid 70.7% drop from 52-week high and ongoing losses

RTW Investments acquired 50,000 shares of Orchestra BioMed Holdings at $2.53 per share, bringing its stake to 8,256,163 shares (8.26M shares) post-transaction. The stock trades at $2.53, representing a 70.7% decline from the 52-week high of $8.64 and has fallen 42.5% over the past 30 days and 53.4% over 90 days. The underlying company is unprofitable, reporting a net income of $-15,426,000.00 ($-15.4M) on quarterly revenue of $987,000.00 ($987.0K), with annual revenue contracting 4.4% year-over-year. This purchase by a major shareholder occurs against a backdrop of severe price deterioration and unresolved path to profitability, warranting attention to whether the significant shareholder activity is responsive to fundamental conditions or part of a larger capital strategy.

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