SEC Form 4Coverage since Aug 8, 2025Open-market trades only
$MAX insider trading
Over the last 12 months, MediaAlpha insiders reported no purchases and 141 sales totaling $124.2M across SEC Form 4 filings. 98% of those filings were made under pre-arranged 10b5-1 trading plans.
- Bought · 12m
- — 0 events
- Sold · 12m
- $124.2M 141 events
- Events · 12m
- 141 Form 4 filings, grouped
- Insiders · 12m
- 6 distinct reporters
- 10b5-1 share
- 98% of events, not dollars
Side
Price · $MAX · 3Mvia TradingView
Top insiders · 12m
Nonko Eugene—78× · $24.5M
Yi StevenSee Remarks35× · $20.2M
Yeh Kuanling AmyChief Technology Officer15× · $1.7M
Cramer KeithChief Revenue Officer10× · $1.3M
COYNE JEFFREY BGENERAL COUNSEL AND SECRETARY2× · $102K
All insider trades
50 of 144 events
Scroll the table sideways for price, value and marks.
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| Nov 11, 2026 | Nonko EugeneD | ▼ Sale | 28,572 | $14.13 | $404K | -6.2% | plan · 3 tranches · indirect |
| Nov 11, 2026 | Nonko EugeneD | ▼ Sale | 14,856 | $14.12 | $210K | -2.3% | plan · 3 tranches |
| Nov 4, 2026 | WHITE MOUNTAINS INSURANCE GROUP LTD10% | ▼ Sale | 5,500,391 | $13.9 | $76.5M | -30.8% | indirect |
| Nov 4, 2026 | Yi StevenSee Remarks · O·D | ▼ Sale | 420,000 | $15.12 | $6.4M | -18.2% | plan · 3 tranches |
| Nov 4, 2026 | Nonko EugeneD | ▼ Sale | 331,473 | $15.06 | $5.0M | -42% | plan · 3 tranches · indirect |
| Nov 4, 2026 | Nonko EugeneD | ▼ Sale | 130,090 | $14.83 | $1.9M | -16.6% | plan · 3 tranches |
| Nov 2, 2026 | Yeh Kuanling AmyChief Technology Officer · O | ▼ Sale | 50,000 | $14.69 | $735K | -9.2% | 2 tranches |
| Oct 28, 2026 | Nonko EugeneD | ▼ Sale | 22,829 | $11.77 | $269K | -2.8% | plan · 3 tranches · indirect |
| Oct 28, 2026 | Nonko EugeneD | ▼ Sale | 7,274 | $11.82 | $86K | -0.9% | plan · 3 tranches |
| Oct 21, 2026 | Nonko EugeneD | ▼ Sale | 21,819 | $11.58 | $253K | -2.6% | plan · 3 tranches · indirect |
| Oct 21, 2026 | Nonko EugeneD | ▼ Sale | 5,820 | $11.55 | $67K | -0.7% | plan · 3 tranches |
| Oct 19, 2026 | Cramer KeithChief Revenue Officer · O | ▼ Sale | 12,000 | $11.39 | $137K | -4.8% | plan |
| Oct 16, 2026 | Yeh Kuanling AmyChief Technology Officer · O | ▼ Sale | 3,000 | $11.77 | $35K | -0.5% | plan |
| Oct 14, 2026 | Nonko EugeneD | ▼ Sale | 20,001 | $10.21 | $204K | -2.3% | plan · 3 tranches · indirect |
| Oct 14, 2026 | Nonko EugeneD | ▼ Sale | 3,201 | $10.22 | $33K | -0.4% | plan · 3 tranches |
| Oct 9, 2026 | Yi StevenSee Remarks · O·D | ▼ Sale | 26,033 | $10.11 | $263K | -1.1% | plan · 2 tranches |
| Sep 25, 2026 | Yeh Kuanling AmyChief Technology Officer · O | ▼ Sale | 3,000 | $9.4 | $28K | -0.5% | plan |
| Sep 22, 2026 | Nonko EugeneD | ▼ Sale | 13,334 | $10.65 | $142K | -1.5% | plan · 2 tranches · indirect |
| Sep 22, 2026 | Nonko EugeneD | ▼ Sale | 2,134 | $10.66 | $23K | -0.3% | plan · 2 tranches |
| Sep 16, 2026 | Nonko EugeneD | ▼ Sale | 22,324 | $11.57 | $258K | -2.5% | plan · 3 tranches · indirect |
| Sep 16, 2026 | Nonko EugeneD | ▼ Sale | 6,547 | $11.64 | $76K | -0.8% | plan · 3 tranches |
| Sep 15, 2026 | Cramer KeithChief Revenue Officer · O | ▼ Sale | 13,000 | $11.49 | $149K | -4.9% | plan |
| Sep 10, 2026 | Nonko EugeneD | ▼ Sale | 21,819 | $11.58 | $253K | -2.4% | plan · 3 tranches · indirect |
| Sep 10, 2026 | Nonko EugeneD | ▼ Sale | 5,820 | $11.62 | $68K | -0.7% | plan · 3 tranches |
| Sep 4, 2026 | Yeh Kuanling AmyChief Technology Officer · O | ▼ Sale | 3,000 | $12 | $36K | -0.5% | plan |
| Sep 2, 2026 | Nonko EugeneD | ▼ Sale | 23,334 | $12.42 | $290K | -2.5% | plan · 3 tranches · indirect |
| Sep 2, 2026 | Nonko EugeneD | ▼ Sale | 8,001 | $12.42 | $99K | -1% | plan · 3 tranches |
| Sep 1, 2026 | Yi StevenSee Remarks · O·D | ▼ Sale | 48,000 | $12.38 | $594K | -2% | plan |
| Aug 26, 2026 | Nonko EugeneD | ▼ Sale | 24,188 | $12.81 | $310K | -2.5% | plan · 3 tranches · indirect |
| Aug 26, 2026 | Nonko EugeneD | ▼ Sale | 9,231 | $12.83 | $118K | -1.1% | plan · 3 tranches |
| Aug 19, 2026 | Nonko EugeneD | ▼ Sale | 24,615 | $12.96 | $319K | -2.5% | plan · 3 tranches · indirect |
| Aug 19, 2026 | Nonko EugeneD | ▼ Sale | 9,846 | $12.97 | $128K | -1.2% | plan · 3 tranches |
| Aug 17, 2026 | Cramer KeithChief Revenue Officer · O | ▼ Sale | 13,000 | $12.76 | $166K | -4.7% | plan |
| Aug 14, 2026 | Yeh Kuanling AmyChief Technology Officer · O | ▼ Sale | 12,000 | $13.55 | $163K | -2.2% | plan |
| Aug 12, 2026 | Nonko EugeneD | ▼ Sale | 24,615 | $13.2 | $325K | -2.4% | plan · 3 tranches · indirect |
| Aug 12, 2026 | Nonko EugeneD | ▼ Sale | 9,846 | $13.18 | $130K | -1.2% | plan · 3 tranches |
| Aug 5, 2026 | Nonko EugeneD | ▼ Sale | 23,761 | $12.41 | $295K | -2.3% | plan · 3 tranches · indirect |
| Aug 5, 2026 | Nonko EugeneD | ▼ Sale | 8,616 | $12.47 | $107K | -1% | plan · 3 tranches |
| Aug 3, 2026 | Yi StevenSee Remarks · O·D | ▼ Sale | 72,000 | $12.64 | $910K | -2.9% | plan |
| Jul 29, 2026 | Nonko EugeneD | ▼ Sale | 28,572 | $13.72 | $392K | -2.7% | plan · 3 tranches · indirect |
| Jul 29, 2026 | Nonko EugeneD | ▼ Sale | 14,856 | $13.79 | $205K | -1.7% | plan · 3 tranches |
| Jul 22, 2026 | Nonko EugeneD | ▼ Sale | 28,572 | $13.96 | $399K | -2.6% | plan · 3 tranches · indirect |
| Jul 22, 2026 | Nonko EugeneD | ▼ Sale | 14,856 | $14 | $208K | -1.7% | plan · 3 tranches |
| Jul 17, 2026 | Yi StevenSee Remarks · O·D | ▼ Sale | 94,790 | $14.37 | $1.4M | -3.7% | plan · 2 tranches |
| Jul 17, 2026 | Yeh Kuanling AmyChief Technology Officer · O | ▼ Sale | 13,000 | $14.38 | $187K | -2.3% | plan · 2 tranches |
| Jul 15, 2026 | Nonko EugeneD | ▼ Sale | 29,891 | $13.93 | $416K | -2.7% | plan · 3 tranches · indirect |
| Jul 15, 2026 | Nonko EugeneD | ▼ Sale | 16,526 | $13.89 | $229K | -1.8% | plan · 3 tranches |
| Jul 15, 2026 | Yi StevenSee Remarks · O·D | ▼ Sale | 161,489 | $14.13 | $2.3M | -5.9% | plan · 3 tranches |
| Jul 15, 2026 | Cramer KeithChief Revenue Officer · O | ▼ Sale | 13,000 | $14.19 | $184K | -4.6% | plan |
| Jul 8, 2026 | Nonko EugeneD | ▼ Sale | 43,081 | $13.86 | $597K | -3.7% | plan · 3 tranches · indirect |
Every $MAX filing on this page is one API call away
The same Form 4 data over REST or MCP, already grouped into events with the plan flag and the dollar value read. A free key does 100 calls a day and needs no card. Prefer email? MediaAlpha filings can reach your inbox instead.
About Form 4
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. This page shows open-market activity: purchases (code P), sales (S) and dispositions back to the issuer (D). Scheduled compensation events such as stock grants and option exercises are also filed on Form 4 but carry no trading signal, so they are not shown and counts here can be lower than the raw EDGAR filing total. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $MAX feed.