Adage Capital Management, L.P.

Adage Capital (10% owner) sells 313,910 shares totaling $33.2M across 10 transactions on 2025-10-16

Adage Capital Management filed 10 separate sales totaling 313,910 shares (313.9K shares) for $33,198,123.57 ($33.2M), reducing its stake from 2,374,085 shares (2.37M shares) to 2,060,175 shares (2.06M shares), a reduction of 13.2%. The transaction prices ranged from $90.00 to $140.00 per share with a blended average of $105.76, while the current stock price stands at $189.99, indicating the stock has appreciated significantly since the sale dates. Adage remains a substantial 10% owner after the sale, and the company is currently unprofitable with a net income of $-71,127,000.00 ($-71.1M), though it posted annual revenue growth of +249.5%. The filing reveals a material reduction in the insider's position despite the stock's strong recent performance, with the company's fundamentals characterized by high growth but current operating losses.

Major 10% owner Adage Capital buys 252,545 shares of unprofitable SLDB at $7.56; cluster buy with 2 other insiders in 14 days

Adage Capital Management, a 10% shareholder, purchased 252,545 shares at $7.56 on 2025-02-18, increasing holdings by 6.3% to 4,248,084 shares total, while the stock is down 56.1% from its 52-week high of $14.75. The company generated $0.00 in latest-quarter revenue and reported full-year net income of $-32,725,000.00, with annual revenue declining 40.6% year-over-year. This purchase is part of a cluster pattern where 2 other insiders also bought within the past 14 days, suggesting coordinated action among multiple stakeholders. The timing of accumulation by major shareholders during a revenue-declining, cash-burning phase and sharp draw-down from peak warrants examination of whether capital deployment signals confidence in a turnaround or reflects bottom-fishing in a distressed biotech.