Gross premiums written were $3,362.755 million in 2024, an increase of 10% from $3,049.317 million in 2023. The increase was due to a $295 million increase in the Insurance segment and a $19 million increase in the Reinsurance & Monoline Excess segment.

The overview section of the 10-Q highlights the company's decentralized structure and its ability to pursue specialty business niches. This strategy allows the company to respond quickly to local market conditions and customer needs.

In June 2023, the Company completed a sale of the property and casualty insurance services division of Breckenridge IS, Inc. and recognized a pre-tax net realized gain on investment of $89 million.

The Chief Executive Officer and Chief Financial Officer concluded that the Company has in place effective controls and procedures designed to ensure that information required to be disclosed is recorded, processed, summarized and reported within the required time periods.

There were no changes in the Company's internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting during the quarter ended March 31, 2024.

The Company buys and sells securities and other investment assets on a regular basis in order to maximize its total return on investments. Decisions to sell are based on management's view of the underlying fundamentals and expectations regarding interest rates, credit spreads, and currency values.

The 10-Q mentions that commercial auto-related claims are being particularly impacted by social inflation, which is contributing to an increase in the frequency of large losses beyond expectations.

The ultimate net impact of COVID-19 on the Company's reserves remains uncertain. As of March 31, 2024, the Company had recognized losses for COVID-19-related claims activity, net of reinsurance, of approximately $386 million.

As of March 31, 2024, the book value of the Company's investments in Argentine bonds was $295 million. The value of these investments is subject to political and economic instability in Argentina.

The overview section states that W. R. Berkley Corporation is among the largest commercial lines writers in the United States and operates worldwide.

The overview section highlights the company's decentralized structure, which allows it to respond quickly and efficiently to local or specific market conditions and to pursue specialty business niches.

The Safe Harbor Statement mentions the impact of significant competition, including new entrants to the industry, as a risk factor.

The expense ratio (underwriting expenses expressed as a percentage of net premiums earned) decreased 0.2 points to 28.6% in 2024 from 28.8% in 2023 mainly due to a non-recurring benefit associated with compensation costs.

The 10-Q mentions that the Company reinsures a portion of its insurance exposures in order to reduce its net liability on individual risks and catastrophe losses.

The 10-Q mentions that the Company has established a “case reserve” for the estimated amount of the ultimate payment based upon known information about the claim at that time.

An important part of the company's strategy is to form new operating units to capitalize on various business opportunities. Over the years, the Company has formed numerous operating units that are focused on important parts of the economy in the U.S., including healthcare, cyber security, energy and agriculture.

The Safe Harbor Statement mentions cybersecurity breaches of the company's information technology systems and the information technology systems of its vendors and other third parties, or related processes and systems as a risk factor.

The 10-Q mentions that the Company is using technology to improve claims handling.

The Company did not repurchase any of its shares during the three months ended March 31, 2024.

In the first quarter of 2024, the board of directors of the Company declared a regular quarterly cash dividend of $0.11 per share.

The Company's invested assets are invested principally in fixed maturity securities.

The Safe Harbor Statement mentions the impact of climate change, which may alter the frequency and increase the severity of catastrophe events, as a risk factor.

The 10-Q mentions that the Company is committed to diversity and inclusion.

The Safe Harbor Statement mentions the effectiveness of the company's controls to ensure compliance with guidelines, policies and legal and regulatory standards as a risk factor.

The Safe Harbor Statement mentions the cyclical nature of the property casualty industry as a risk factor.

The Safe Harbor Statement mentions general economic and market activities, including inflation, changing interest rates, and volatility in the credit and capital markets as risk factors.

The Safe Harbor Statement mentions the impact of significant competition, including new entrants to the industry as a risk factor.