Company facts
- Industry
- Fire, Marine & Casualty Insurance
- Headquarters
- Greenwich, Connecticut
- Most recent report
- 10-Q, filed Nov 2, 2026
- Incorporated
- Delaware
- Filings on record
- 1,053+ filings
- On EDGAR
- CIK 11544
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 53
News 8 of 114
Prospectuses and Registrations 8 of 46
- S-3ASR Automatic shelf registration Nov 2, 2026
- S-3ASR Automatic shelf registration Nov 3, 2023
- S-8 POS Post-effective amendment to an employee plan registration Mar 8, 2022
- 424B5 Prospectus supplement for an offering Sep 9, 2021
- FWP Free writing prospectus Sep 8, 2021
- 424B5 Prospectus supplement for an offering Sep 8, 2021
- 25-NSE Notice that a security was delisted Jun 1, 2021
- 424B5 Prospectus supplement for an offering Mar 11, 2021
Proxies 8 of 34
- DEFA14A Extra proxy material Apr 22, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 22, 2026
- DEFA14A Extra proxy material Apr 30, 2025
- DEFA14A Extra proxy material Apr 25, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2025
- PRE 14A Preliminary proxy statement Apr 15, 2025
- DEFA14A Extra proxy material Apr 26, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 26, 2024
Ownership 8 of 753
- SCHEDULE 13G/A Large holder reported a passive stake, amended Nov 9, 2026
- SCHEDULE 13G Large holder reported a passive stake Nov 9, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Nov 9, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Nov 9, 2026
- SCHEDULE 13G Large holder reported a passive stake Nov 9, 2026
- SCHEDULE 13G Large holder reported a passive stake Nov 9, 2026
- SCHEDULE 13G Large holder reported a passive stake Nov 9, 2026
- SCHEDULE 13G Large holder reported a passive stake Nov 9, 2026
Other 8 of 53
- N-PX Record of how a fund voted its shares Aug 26, 2026
- 11-K Employee stock plan report Jun 25, 2026
- ARS Annual report sent to shareholders Apr 22, 2026
- N-PX/A Record of how a fund voted its shares, amended Aug 22, 2025
- N-PX Record of how a fund voted its shares Aug 19, 2025
- 11-K Employee stock plan report Jun 25, 2025
- ARS Annual report sent to shareholders Apr 25, 2025
- N-PX Record of how a fund voted its shares Aug 20, 2024
What to read: Sep 2026 10-Q
SECSift found 2 of 11 sections worth reading, with 1 positive, 5 notable, and 1 negative flags.
Legal Proceedings (Item 1)
Financial statements and notes with material reserve development, investment losses, and related-party details.NotableUnregistered Sales and Repurchases (Item 2)
Core MD&A with detailed segment results, reserve sensitivity, and cash flow.PositiveNotable- Reinsurance & Monoline Excess gross premiums fell 10% to $1,157M in 2026, driven by casualty and property declines.
- Catastrophe losses net of reinsurance were $224M in 2026, down from $289M in 2025, mainly California wildfires.
- Operating cash flow fell 15% to $2,199M in 2026 from $2,587M in 2025 due to higher claim and tax payments.
- Company repurchased 6,465,878 shares for $435M in the nine months ended Sep 2026, reducing diluted share count.
What changed: Sep 2026 vs. Jun 2026
About 0% of WRB's Sep 2026 10-Q is new information. 1 paragraphs were added, 175 changed, and 19 removed. Below are the most important lines SECSift identified.
Changed
- Treasury stock repurchases rose to $435M from $74M for nine months ended Sep 30, 2026 vs 2025.
- Workers' comp discounted reserves rose to $1,456M at Sep 30, 2026 from $1,436M at Jun 30, 2026.
- Reinsurance & Monoline Excess share of net loss reserves fell to 17.1% from 17.3%.
- Weighted average discount rate on workers' comp reserves rose to 3.7% from 3.6%.
- Exhibit 101.1 now covers the quarter ended September 30, 2026 instead of June 30, 2026.
- Exhibit 101.1 now includes cash flows for nine months ended September 30, 2026 and 2025 instead of six months.
- Exhibit 101.1 now includes three and nine months ended periods instead of three and six months ended.
- Current filing has EX-31.1, EX-31.2, EX-32.1; prior had EX-10.1, EX-31.1, EX-31.2, EX-32.1.
Everything here comes from Berkley W R Corp's own filings on SEC EDGAR. The filing list is rechecked every hour. SECSift analysis was completed on Nov 2, 2026, from the 10-Q for Sep 2026.