// company-profile
MediaAlpha, Inc.
MAXExchangeNYSESectorServices-Business Services, NECInc.DEFilings180Insiders20
// api This MediaAlpha, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, MediaAlpha, Inc. insiders bought $0 (13 transactions) and sold $238K (8 transactions).
- Most active insider: Nonko Eugene with 14 transactions totaling $2.0M.
- Largest single sale: $336K by Yi Steven on Apr 27, 2026.
- 78% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of MediaAlpha, Inc. as of 2026-03-31
Total reported AUM
$416.1M
QoQ change
-26.2%
Reporting period
2026-03-31
#1
WHITE MOUNTAINS INSURANCE GROUP LTD
CIK 776867
$166.1M
17.9M shares
#2
Clearline Capital LP
CIK 1600136
$24.1M
2.6M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$12.9M
1.4M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | Nonko Eugene | MAX | Sale10b5 | 1,067 | $10.00 | $11K |
| Jun 17, 2026 | Nonko Eugene | MAX | Sale10b5 | 6,667 | $10.01 | $67K |
| Jun 16, 2026 | Yi Steven | MAX | Sale10b5 | 24,000 | $10.01 | $240K |
| Jun 16, 2026 | Nonko Eugene | MAX | Sale10b5 | 2,134 | $10.00 | $21K |
| Jun 16, 2026 | Nonko Eugene | MAX | Sale10b5 | 13,334 | $10.00 | $133K |
45 more transactions hidden
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