(BRK.A) (BRK.B) – Berkshire Hathaway Inc. – Shares of the holding company, which owns subsidiaries engaged in diverse business activities such as property and casualty insurance and reinsurance, slipped slightly lower by 0.30% to stand at $79.29 just before 11:30 am (ET). Bearish options activity on the stock today suggests at least one investor is bracing for continued erosion in the price of the underlying shares through August expiration. The put player appears to have purchased approximately 1,300 puts at the August $75 strike for an average premium of $2.14 apiece, spread against the sale of 2,600 puts at the lower August $70 strike for an average premium of $1.03 each. The average net cost of the ratio spread amounts to just $0.08 per contract. The transaction prepares the responsible party to make money should Berkshire’s shares decline 5.5% from the current price to breach the effective breakeven point to the downside at $74.92 ahead of expiration day in August. Maximum potential profits of $4.92 per contract are available to the put spreader if shares of the underlying stock plummet 11.7% to settle at $70.00 at expiration.