SC Filed 2024-01-03 Event — SEC 0000776867-24-000001 →

WHITE MOUNTAINS INSURANCE GROUP LTD → MediaAlpha, Inc. MAX

Stake: — Shares: —

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

18 transactions

0 buys · 18 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

2 filings by this filer

1 other filing in the data moat

Short Interest · settle 2026-07-15

DTC 2.66

2,714,948 shares short · -8.0% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $243K

Point72 Asset Mgmt

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-07-15	Nonko Eugene	director	Sale	4,952	$14.03	$69K
2026-07-15	Nonko Eugene	director	Sale	9,524	$14.14	$135K
2026-07-15	Yi Steven	director, officer	Sale	114,292	$14.17	$1.62M
2026-07-15	Cramer Keith	officer	Sale	13,000	$14.19	$184K
2026-07-14	Nonko Eugene	director	Sale	4,952	$13.85	$69K
2026-07-14	Nonko Eugene	director	Sale	9,524	$13.90	$132K
2026-07-14	Yi Steven	director, officer	Sale	37,701	$14.06	$530K
2026-07-13	Nonko Eugene	director	Sale	6,622	$13.81	$91K
2026-07-13	Nonko Eugene	director	Sale	10,843	$13.76	$149K
2026-07-13	Yi Steven	director, officer	Sale	9,496	$14.05	$133K
2026-07-08	Nonko Eugene	director	Sale	3,282	$13.78	$45K
2026-07-08	Nonko Eugene	director	Sale	8,205	$13.61	$112K
2026-07-07	Yi Steven	director, officer	Sale	26,467	$14.07	$372K
2026-07-07	Nonko Eugene	director	Sale	4,952	$14.08	$70K
2026-07-07	Nonko Eugene	director	Sale	9,524	$14.06	$134K
2026-07-06	Yi Steven	director, officer	Sale	17,254	$14.01	$242K
2026-07-06	Nonko Eugene	director	Sale	24,992	$13.91	$348K
2026-07-06	Nonko Eugene	director	Sale	25,352	$13.86	$351K

Other 13D/G Filings on MediaAlpha, Inc.

Filed	Form	Filer	Stake	Shares
2025-02-28	SCHEDULE	Nonko Eugene	10.80%	5,996,864	view →
2024-05-03	SC	WHITE MOUNTAINS INSURANCE GROUP LTD	—	—	view →

Other Filings by WHITE MOUNTAINS INSURANCE GROUP LTD

Filed	Form	Issuer	Stake	Shares
2024-05-03	SC	MediaAlpha, Inc. MAX	—	—	view →

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