Form SCHEDULE 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0000950157-25-000649
Filing Date
2025-08-08
Accepted
2025-08-08 16:22:12
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13D/A  
1 primary_doc.xml SCHEDULE 13D/A 9846
  Complete submission text file 0000950157-25-000649.txt   12005
Mailing Address 23 SOUTH MAIN STREET SUITE 3B HANOVER NH 03755
Business Address 23 SOUTH MAIN STREET SUITE 3B HANOVER NH 03755 603 640 2200
WHITE MOUNTAINS INSURANCE GROUP LTD (Filed by) CIK: 0000776867 (see all company filings)

EIN.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: SCHEDULE 13D/A
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)

Mailing Address 700 SOUTH FLOWER STREET SUITE 640 LOS ANGELES CA 90017
Business Address 700 SOUTH FLOWER STREET SUITE 640 LOS ANGELES CA 90017 619-393-9368
MediaAlpha, Inc. (Subject) CIK: 0001818383 (see all company filings)

EIN.: 851854133 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13D/A | Act: 34 | File No.: 005-91822 | Film No.: 251198747
SIC: 7389 Services-Business Services, NEC
(CF Office: 07 Trade & Services)