Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001193125-26-057634
Filing Date
2026-02-18
Accepted
2026-02-18 18:30:03
Documents
1
Period of Report
2026-02-17

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 9336
  Complete submission text file 0001193125-26-057634.txt   11869
Mailing Address 475 STEAMBOAT ROAD . GREENWICH CT 06830
Business Address 475 STEAMBOAT ROAD . GREENWICH CT 06830 2036293000
BERKLEY W R CORP (Issuer) CIK: 0000011544 (see all company filings)

EIN.: 221867895 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)

Mailing Address 9, KANDA SURUGADAI 3-CHOME CHIYODA-KU TOKYO M0 101-8011
Business Address 9, KANDA SURUGADAI 3-CHOME CHIYODA-KU TOKYO M0 101-8011 81332593111
MITSUI SUMITOMO INSURANCE CO LTD (Reporting) CIK: 0001142206 (see all company filings)

State of Incorp.: M0 | Fiscal Year End: 0331
Type: 4 | Act: 34 | File No.: 001-15202 | Film No.: 26650763
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)

Mailing Address 3-7, YAESU 1-CHOME, CHUO-KU TOKYO M0 103-0028
Business Address 3-7, YAESU 1-CHOME, CHUO-KU TOKYO M0 103-0028 81-3-6202-5270
MS&AD Insurance Group Holdings, Inc. (Reporting) CIK: 0001431048 (see all company filings)

State of Incorp.: M0 | Fiscal Year End: 0331
Type: 4 | Act: 34 | File No.: 001-15202 | Film No.: 26650762
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)