TANNER DAVID ALLEN

PrivateCIK: 1318960
Location

NEW YORK, NY

TANNER DAVID ALLEN reported 1 transaction at WHITE MOUNTAINS INSURANCE GROUP LTD

Review the transaction codes below to understand the nature of each event.

InsiderTANNER DAVID ALLENCIK 1318960
Director
Since Aug 2018
-225.00
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
1
Total transactions
225.00 disposed
Non-Derivative Transactions1

Common Shares

Direct
G · Gift

Shares

225.00

Price / share

Trade value

% of position

10.7%
3/4/2026
2.10K1.88K
Total

Net shares

225.00

Net value

$0.00

Derivative Transactions0
No derivative transactions reported
TANNER DAVID ALLEN — Insider Transaction (Form 4) Filed Mar 5, 2026 | Finecho