MarketPeel
Insider Trading Intelligence
Pricing
…
JC

John Chu

WTM
DIRECTOR · WHITE MOUNTAINS INSURANCE GROUP LTD · CIK 0002132220
FILING MIX · LIFETIME100%/0%
BUYS
1
SELLS
0
TOTAL VALUE
$0
COMPANIES
1
ACTIVE SINCE
May 2026
HOLDINGS NOW
335
AVG SELL PX
—
TRADE KIND
SHOWING 1 / 1
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
No backtest data available for John Chu. Backtests are computed for purchase (P) and sale (S) transactions with resolvable price history.
Holdings over time
Not enough transaction history to chart holdings.
Trading cadence · quarterly flow
BUY ● SELL ●
2026
FLOW · 1 buys / 0 sellsCOVERAGE · 1 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILED
WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
PURCHASEGRANT
Stock grant
135——335May 21, 2026May 21, 2026 ↗
Other insiders · WTM
Loading peer insiders…
About this filer
CIK 0002132220
ROLE
Director
PRIMARY
WTM
COMPANIES
1
ACTIVE SINCE
May 2026
MARKETPEEL · /INSIDER/0002132220DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

The morning brief, before the bell.

One short email. Insider buys, congressional trades, and plain-English analysis.

FeedbackJohn Chu — Insider Trading Activity | MarketPeel