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SC Filed 2024-05-03 Event — SEC 0000776867-24-000008 →

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

DateInsiderRoleTypeSharesPriceValue
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.

FiledFormFilerStakeShares
2025-02-28 SCHEDULE Nonko Eugene 10.80% 5,996,864 view →
2024-01-03 SC WHITE MOUNTAINS INSURANCE GROUP LTD view →

Other Filings by WHITE MOUNTAINS INSURANCE GROUP LTD

FiledFormIssuerStakeShares
2024-01-03 SC MediaAlpha, Inc. MAX view →

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