Buffett Grabs More of This Stock, Plus Other Notable Insider Buying

Core Insights - Warren Buffett's Berkshire Hathaway has increased its stake in Liberty Media Corp, acquiring over 1.3 million shares at prices ranging from $25.36 to $26.55, totaling more than $29.3 million, bringing its total holdings to approximately 69 million shares [4][6] - Insider buying activity has generally slowed, but notable purchases were made in various sectors, including media, biotechnology, and industrials [1][19] Liberty Media - Berkshire Hathaway has boosted its stake in Liberty Media Corp (NASDAQ: LSXMK) to around 69 million shares after a previous purchase of over $66 million [4] - The stock price of Liberty Media has decreased by about 15% since the beginning of the year, and the company is in the process of merging with Sirius XM Holdings Inc [4][6] Acrivon Therapeutics - Perceptive Advisors purchased over 2.3 million shares of Acrivon Therapeutics Inc (NASDAQ: ACRV) at $8.50 per share, totaling around $20 million [9] - The stock has risen over 114% since the start of the year, largely due to a $130 million funding announcement, with a mean price target suggesting an additional upside of approximately 84% [9] UL Solutions - Insiders, including CEO Jennifer Scanlon, bought more than 590,600 shares of UL Solutions Inc (NYSE: ULS) at $28.00 per share, costing over $16.5 million [12] - The shares were last seen trading around $34, indicating a positive post-IPO performance despite recent market fluctuations [12] OncoCyte - Broadway Partners and other insiders acquired nearly 2.5 million shares of OncoCyte Corp (NASDAQ: OCX) at prices between $2.91 and $2.95, totaling over $7.1 million [14] - The stock has declined almost 25% in the past 90 days, but remains above its 52-week low of $2.08, with a consensus price target of $3.90 [14] GrafTech International - Colonial House Capital purchased around 2.3 million shares of GrafTech International Ltd (NYSE: EAF) at $1.78 per share, costing about $4.1 million [17] - The stock has fallen more than 32% year-to-date, with a consensus price target of $1.75, indicating limited analyst support for buying shares [17] Other Notable Insider Buying - Recent insider purchases were reported at companies including AES, America's Car-Mart, Federal Agricultural Mortgage, Lovesac, Neogen, Rocket Companies, RXO, SAIC, Walgreens Boots Alliance, and WD-40 [19]