Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 8-K | wtm-20251002.htm iXBRL | 8-K | 40180 |
| 2 | EX-2.1 | wtmexhibit21.htm | EX-2.1 | 455064 |
| 3 | EX-99.1 | wtmexhibit991.htm | EX-99.1 | 28810 |
| 7 | image1.jpg | GRAPHIC | 65797 | |
| 8 | picture1.jpg | GRAPHIC | 6667 | |
| 9 | wtmexhibit21001.jpg | GRAPHIC | 78082 | |
| 10 | wtmexhibit21002.jpg | GRAPHIC | 171937 | |
| 11 | wtmexhibit21003.jpg | GRAPHIC | 205920 | |
| 12 | wtmexhibit21004.jpg | GRAPHIC | 184137 | |
| 13 | wtmexhibit21005.jpg | GRAPHIC | 152459 | |
| 14 | wtmexhibit21006.jpg | GRAPHIC | 292163 | |
| 15 | wtmexhibit21007.jpg | GRAPHIC | 320104 | |
| 16 | wtmexhibit21008.jpg | GRAPHIC | 315985 | |
| 17 | wtmexhibit21009.jpg | GRAPHIC | 216359 | |
| 18 | wtmexhibit21010.jpg | GRAPHIC | 260647 | |
| 19 | wtmexhibit21011.jpg | GRAPHIC | 264353 | |
| 20 | wtmexhibit21012.jpg | GRAPHIC | 278398 | |
| 21 | wtmexhibit21013.jpg | GRAPHIC | 259455 | |
| 22 | wtmexhibit21014.jpg | GRAPHIC | 201223 | |
| 23 | wtmexhibit21015.jpg | GRAPHIC | 227039 | |
| 24 | wtmexhibit21016.jpg | GRAPHIC | 297411 | |
| 25 | wtmexhibit21017.jpg | GRAPHIC | 318494 | |
| 26 | wtmexhibit21018.jpg | GRAPHIC | 301448 | |
| 27 | wtmexhibit21019.jpg | GRAPHIC | 341886 | |
| 28 | wtmexhibit21020.jpg | GRAPHIC | 330973 | |
| 29 | wtmexhibit21021.jpg | GRAPHIC | 290266 | |
| 30 | wtmexhibit21022.jpg | GRAPHIC | 277263 | |
| 31 | wtmexhibit21023.jpg | GRAPHIC | 322872 | |
| 32 | wtmexhibit21024.jpg | GRAPHIC | 298763 | |
| 33 | wtmexhibit21025.jpg | GRAPHIC | 291826 | |
| 34 | wtmexhibit21026.jpg | GRAPHIC | 317058 | |
| 35 | wtmexhibit21027.jpg | GRAPHIC | 220035 | |
| 36 | wtmexhibit21028.jpg | GRAPHIC | 261612 | |
| 37 | wtmexhibit21029.jpg | GRAPHIC | 274654 | |
| 38 | wtmexhibit21030.jpg | GRAPHIC | 311178 | |
| 39 | wtmexhibit21031.jpg | GRAPHIC | 326178 | |
| 40 | wtmexhibit21032.jpg | GRAPHIC | 277695 | |
| 41 | wtmexhibit21033.jpg | GRAPHIC | 264218 | |
| 42 | wtmexhibit21034.jpg | GRAPHIC | 250613 | |
| 43 | wtmexhibit21035.jpg | GRAPHIC | 291164 | |
| 44 | wtmexhibit21036.jpg | GRAPHIC | 272544 | |
| 45 | wtmexhibit21037.jpg | GRAPHIC | 276028 | |
| 46 | wtmexhibit21038.jpg | GRAPHIC | 287652 | |
| 47 | wtmexhibit21039.jpg | GRAPHIC | 314968 | |
| 48 | wtmexhibit21040.jpg | GRAPHIC | 249898 | |
| 49 | wtmexhibit21041.jpg | GRAPHIC | 263203 | |
| 50 | wtmexhibit21042.jpg | GRAPHIC | 292176 | |
| 51 | wtmexhibit21043.jpg | GRAPHIC | 298835 | |
| 52 | wtmexhibit21044.jpg | GRAPHIC | 328779 | |
| 53 | wtmexhibit21045.jpg | GRAPHIC | 323144 | |
| 54 | wtmexhibit21046.jpg | GRAPHIC | 253433 | |
| 55 | wtmexhibit21047.jpg | GRAPHIC | 298327 | |
| 56 | wtmexhibit21048.jpg | GRAPHIC | 314249 | |
| 57 | wtmexhibit21049.jpg | GRAPHIC | 339465 | |
| 58 | wtmexhibit21050.jpg | GRAPHIC | 337940 | |
| 59 | wtmexhibit21051.jpg | GRAPHIC | 292684 | |
| 60 | wtmexhibit21052.jpg | GRAPHIC | 259303 | |
| 61 | wtmexhibit21053.jpg | GRAPHIC | 270786 | |
| 62 | wtmexhibit21054.jpg | GRAPHIC | 251124 | |
| 63 | wtmexhibit21055.jpg | GRAPHIC | 281919 | |
| 64 | wtmexhibit21056.jpg | GRAPHIC | 309786 | |
| 65 | wtmexhibit21057.jpg | GRAPHIC | 279073 | |
| 66 | wtmexhibit21058.jpg | GRAPHIC | 324319 | |
| 67 | wtmexhibit21059.jpg | GRAPHIC | 329651 | |
| 68 | wtmexhibit21060.jpg | GRAPHIC | 331122 | |
| 69 | wtmexhibit21061.jpg | GRAPHIC | 307801 | |
| 70 | wtmexhibit21062.jpg | GRAPHIC | 339578 | |
| 71 | wtmexhibit21063.jpg | GRAPHIC | 338972 | |
| 72 | wtmexhibit21064.jpg | GRAPHIC | 343713 | |
| 73 | wtmexhibit21065.jpg | GRAPHIC | 341846 | |
| 74 | wtmexhibit21066.jpg | GRAPHIC | 322445 | |
| 75 | wtmexhibit21067.jpg | GRAPHIC | 286836 | |
| 76 | wtmexhibit21068.jpg | GRAPHIC | 296964 | |
| 77 | wtmexhibit21069.jpg | GRAPHIC | 280173 | |
| 78 | wtmexhibit21070.jpg | GRAPHIC | 275873 | |
| 79 | wtmexhibit21071.jpg | GRAPHIC | 309286 | |
| 80 | wtmexhibit21072.jpg | GRAPHIC | 306544 | |
| 81 | wtmexhibit21073.jpg | GRAPHIC | 327361 | |
| 82 | wtmexhibit21074.jpg | GRAPHIC | 293690 | |
| 83 | wtmexhibit21075.jpg | GRAPHIC | 254010 | |
| 84 | wtmexhibit21076.jpg | GRAPHIC | 332617 | |
| 85 | wtmexhibit21077.jpg | GRAPHIC | 271275 | |
| 86 | wtmexhibit21078.jpg | GRAPHIC | 242782 | |
| 87 | wtmexhibit21079.jpg | GRAPHIC | 274391 | |
| 88 | wtmexhibit21080.jpg | GRAPHIC | 277939 | |
| 89 | wtmexhibit21081.jpg | GRAPHIC | 326635 | |
| 90 | wtmexhibit21082.jpg | GRAPHIC | 290603 | |
| 91 | wtmexhibit21083.jpg | GRAPHIC | 212163 | |
| 92 | wtmexhibit21084.jpg | GRAPHIC | 136629 | |
| 93 | wtmexhibit21085.jpg | GRAPHIC | 204423 | |
| 94 | wtmexhibit21086.jpg | GRAPHIC | 214350 | |
| 95 | wtmexhibit21087.jpg | GRAPHIC | 210549 | |
| 96 | wtmexhibit21088.jpg | GRAPHIC | 206752 | |
| 97 | wtmexhibit21089.jpg | GRAPHIC | 219007 | |
| 98 | wtmexhibit21090.jpg | GRAPHIC | 198988 | |
| 99 | wtmexhibit21091.jpg | GRAPHIC | 227830 | |
| 100 | wtmexhibit21092.jpg | GRAPHIC | 299356 | |
| 101 | wtmexhibit21093.jpg | GRAPHIC | 251088 | |
| 102 | wtmexhibit21094.jpg | GRAPHIC | 238560 | |
| 103 | wtmexhibit21095.jpg | GRAPHIC | 269676 | |
| 104 | wtmexhibit21096.jpg | GRAPHIC | 285668 | |
| 105 | wtmexhibit21097.jpg | GRAPHIC | 317109 | |
| 106 | wtmexhibit21098.jpg | GRAPHIC | 290705 | |
| 107 | wtmexhibit21099.jpg | GRAPHIC | 289552 | |
| 108 | wtmexhibit21100.jpg | GRAPHIC | 318306 | |
| 109 | wtmexhibit21101.jpg | GRAPHIC | 267778 | |
| 110 | wtmexhibit21102.jpg | GRAPHIC | 327449 | |
| 111 | wtmexhibit21103.jpg | GRAPHIC | 253925 | |
| 112 | wtmexhibit21104.jpg | GRAPHIC | 262548 | |
| 113 | wtmexhibit21105.jpg | GRAPHIC | 228862 | |
| 114 | wtmexhibit21106.jpg | GRAPHIC | 305009 | |
| 115 | wtmexhibit21107.jpg | GRAPHIC | 312449 | |
| 116 | wtmexhibit21108.jpg | GRAPHIC | 303065 | |
| 117 | wtmexhibit21109.jpg | GRAPHIC | 332606 | |
| 118 | wtmexhibit21110.jpg | GRAPHIC | 333292 | |
| 119 | wtmexhibit21111.jpg | GRAPHIC | 304362 | |
| 120 | wtmexhibit21112.jpg | GRAPHIC | 331336 | |
| 121 | wtmexhibit21113.jpg | GRAPHIC | 339334 | |
| 122 | wtmexhibit21114.jpg | GRAPHIC | 321750 | |
| 123 | wtmexhibit21115.jpg | GRAPHIC | 316531 | |
| 124 | wtmexhibit21116.jpg | GRAPHIC | 298801 | |
| 125 | wtmexhibit21117.jpg | GRAPHIC | 270512 | |
| 126 | wtmexhibit21118.jpg | GRAPHIC | 93942 | |
| 127 | wtmexhibit21119.jpg | GRAPHIC | 68942 | |
| 128 | wtmexhibit21120.jpg | GRAPHIC | 36030 | |
| 129 | wtmexhibit21121.jpg | GRAPHIC | 40008 | |
| 130 | wtmexhibit21122.jpg | GRAPHIC | 36881 | |
| 131 | wtmexhibit21123.jpg | GRAPHIC | 38845 | |
| Complete submission text file | 0001628280-25-044062.txt | 46529748 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wtm-20251002.xsd | EX-101.SCH | 1872 |
| 5 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | wtm-20251002_lab.xml | EX-101.LAB | 21629 |
| 6 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wtm-20251002_pre.xml | EX-101.PRE | 12790 |
| 141 | EXTRACTED XBRL INSTANCE DOCUMENT | wtm-20251002_htm.xml | XML | 2733 |
EIN.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-08993 | Film No.: 251374162
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)