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Hey there, fellow shareholders of Berkshire Hathaway! You won't believe the latest controversy surrounding Warren Buffett and the company. Allegations of insider trading have surfaced, and it's causing quite a stir in the investment world. This article delves into the details, implications, and potential impact on our investments. Get ready for an eye-opening read that will have you on the edge of your seat!



In the world of finance and investment, few names carry as much weight and respect as Warren Buffett, the Chairman and CEO of Berkshire Hathaway. Known for his frugal lifestyle, philanthropic efforts, and investment acumen, Buffett has long been heralded as the epitome of integrity in the financial markets. However, recent revelations have cast a shadow over this sterling reputation. The controversy at hand revolves around allegations of insider trading within Berkshire Hathaway, potentially implicating Buffett himself—a situation that could have significant repercussions for the company and its shareholders.

The significance of this issue cannot be overstated. Insider trading undermines the very foundations of a fair and transparent market, and for a company like Berkshire Hathaway, which is built on the principles of ethical investment and trust, such allegations could be particularly damaging. The potential impact on Berkshire Hathaway's stock value, its reputation within the investment community, and the trust of its shareholders is immense. This article aims to dissect the controversy, analyze its implications, and offer insights into what this could mean for the future of Berkshire Hathaway.

Background on ProPublica's Claims

ProPublica, an independent, nonprofit newsroom, has made waves with its investigative journalism, particularly with the release of a massive trove of tax information. This data, covering thousands of America's wealthiest individuals, has shone a light on how these individuals minimize their tax bills. Among the revelations is the claim that Warren Buffett personally traded stocks that Berkshire Hathaway was buying and selling, potentially in conflict with the company's own policies.

The leaked IRS data, as reported by ProPublica, suggest that Buffett made personal trades in companies like Wells Fargo, Johnson & Johnson and Walmart, selling millions of dollars' worth of shares at times when Berkshire Hathaway was also trading these stocks .

Unfortunately, ProPublica has not provided any further information on how they obtained the IRS report, how it was verified and why it was leaked to them. They only state:

But roughly two decades of Buffett’s personal trades were included in a leak of IRS data obtained by ProPublica. Those records show that the nation’s best known and most respected investor has sometimes said one thing in public and done another in private.

However, if the allegiations are true, these actions raise questions about whether Buffett was adhering to the ethical standards he has publicly championed and whether he may have had access to material nonpublic information that influenced his personal trading decisions.

The media has already started to react strongly on the matter. Here is what happened during CNBC's squawk box on Friday, November 10th 2023:

Berkshire Hathaway's Insider Trading Policies and Procedures

Berkshire Hathaway Inc. is known for its stringent "Insider" Trading Policies and Procedures. These policies are designed to prevent employees, including high-ranking executives, from trading securities of Berkshire or any other public company while in possession of material nonpublic information. Unauthorized disclosure of such information is also prohibited, reflecting the company's commitment to maintaining the integrity of the markets and protecting its shareholders' interests.

Trading in Berkshire securities is allowed without pre-clearance during specific 45-day periods, following the company's earnings releases. However, all other trading requires pre-clearance with Marc Hamburg, Berkshire Hathaway's Senior Vice President and Chief Financial Officer. The policies extend to trading in the securities of public companies in which Berkshire has publicly disclosed ownership, necessitating pre-clearance until the company announces it no longer holds a position in such a company.

Analysis of Buffett's Alleged Violations

The specific instances of Buffett's personal trades, as accused by ProPublica, suggest potential violations of Berkshire Hathaway's policies. For example, Buffett's sale of $25 million worth of Walmart stock in his personal account, at a time when Berkshire was increasing its stake, raises concerns about the alignment of his personal portfolio management with that of the company's investors. Similarly, his sale of Johnson & Johnson shares appears to contravene the company's insider trading policy, which prohibits trading based on material nonpublic information.

These allegations, if substantiated, could indicate that Buffett engaged in practices that he has publicly criticized. The ethical implications of such actions are profound, as they could suggest a double standard where Buffett says one thing in public and does another in private. This analysis seeks to unravel the complexities of these trades and understand the potential motivations and oversights that may have led to such discrepancies.

Legal and Ethical Implications

The legal and ethical implications of the alleged insider trading are significant. Insider trading laws are designed to maintain market integrity and ensure that all investors have equal access to information. Violations of these laws can result in severe penalties, including fines and imprisonment. Ethically, insider trading is viewed as a breach of trust, as it gives an unfair advantage to those with privileged information.

For Warren Buffett, who is often regarded as a paragon of ethical investing, these allegations are particularly troubling. If proven true, they could tarnish his legacy and call into question the moral compass that has guided Berkshire Hathaway's investment philosophy for decades. The company, too, could face scrutiny from regulators and a loss of confidence among investors.

Impact on Berkshire Hathaway and Shareholders

The potential impact of the insider trading controversy on Berkshire Hathaway and its shareholders is multifaceted. The company's reputation for ethical conduct is one of its most valuable assets, and any dent in this perception could affect its stock price and market position. Shareholders, who have placed their trust in Buffett's leadership and judgment, may feel betrayed and lose confidence in the company's governance.

Furthermore, the controversy could lead to increased regulatory scrutiny and possible legal action, which could have financial implications for Berkshire Hathaway. Shareholders may also demand greater transparency and accountability from the company's management, leading to changes in corporate governance and trading policies.


The allegations of insider trading against Warren Buffett present a complex and troubling scenario for Berkshire Hathaway. While the full extent of the issue is yet to be determined, the potential implications for the company and its shareholders are significant.

It is imperative for Berkshire Hathaway's management to address the situation with transparency and take decisive action to uphold the company's reputation for ethical conduct.

Update November 16th

There has been a first response from no other than Charlie Munger on CNBC. He said:

I don’t think there’s the slightest chance that Warren Buffett is doing something that is deeply evil to make money for himself. He cares more about what happens to Berkshire than he cares what happens to his own money. He gave all his own money away. He doesn’t even have it anymore. Charlie Munger

Still, it would be very much appreciated if Warren Buffett himself could comment on the allegiations. In any case, we'll keep you posted!