Yi Steven — SEC Form 4 filings
SEC reporting owner CIK 1829946. 47 Form 4 filings on record with FilingPulse; latest filed 2026-09-02.
Transaction summary — filings shown
Covers all 47 filings on record, filed 2024-02-16 to 2026-09-02. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 89 legs across 34 filings — 1,198,434 shares, $15,050,722 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 27.
- Largest priced transaction: sale of 114,292 shares @ $14.17 ($1,619,118) in MediaAlpha, Inc., filed 2026-07-15.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| MediaAlpha, Inc. (MAX) | See Remarks, Director | 45 | — | 89 legs · 1,198,434 sh · $15,050,722 | 25 |
| WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) | Director | 2 | — | — | 2 |
Form 4 filings — Yi Steven
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-02 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 48,000 @ $12.38 | EDGAR |
| 2026-08-05 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 72,000 @ $12.64 | EDGAR |
| 2026-07-17 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 82,457 @ $14.39 · Sale (S): 12,333 @ $14.20 | EDGAR |
| 2026-07-15 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 9,496 @ $14.05 · Sale (S): 37,701 @ $14.06 · Sale (S): 114,292 @ $14.17 | EDGAR |
| 2026-07-08 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 17,254 @ $14.01 · Sale (S): 26,467 @ $14.07 | EDGAR |
| 2026-07-01 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 96,000 @ $12.90 | EDGAR |
| 2026-06-18 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 24,000 @ $10.01 | EDGAR |
| 2026-05-06 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $9.05 · Sale (S): 4,000 @ $8.93 · Sale (S): 4,000 @ $9.14 | EDGAR |
| 2026-04-29 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 33,663 @ $9.99 · Sale (S): 6,565 @ $10.00 · Sale (S): 26,739 @ $10.00 | EDGAR |
| 2026-04-22 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 28,543 @ $10.06 · Sale (S): 16,047 @ $10.08 · Sale (S): 4,000 @ $9.88 | EDGAR |
| 2026-04-15 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $9.07 · Sale (S): 4,000 @ $9.47 · Sale (S): 4,000 @ $9.68 | EDGAR |
| 2026-04-08 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $9.34 · Sale (S): 4,000 @ $9.46 · Sale (S): 4,000 @ $9.78 | EDGAR |
| 2026-04-01 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $9.23 · Sale (S): 4,000 @ $9.60 · Sale (S): 4,000 @ $9.15 | EDGAR |
| 2026-03-25 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $9.67 · Sale (S): 4,000 @ $9.48 · Sale (S): 4,000 @ $9.42 | EDGAR |
| 2026-03-18 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $9.59 | EDGAR |
| 2026-03-17 | 4 | MediaAlpha, Inc. (MAX) | Grant/award (A): 448,500 @ $0 · Sale (S): 4,000 @ $9.93 · Sale (S): 5,227 @ $9.94 · Grant/award (A): 149,550 (derivative) @ $0 | EDGAR |
| 2026-03-11 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 5,650 @ $9.86 · Sale (S): 4,000 @ $9.75 · Sale (S): 4,000 @ $9.68 | EDGAR |
| 2026-03-04 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 39,252 @ $9.99 · Sale (S): 8,000 @ $10.03 · Sale (S): 8,000 @ $10.07 | EDGAR |
| 2026-02-25 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $7.75 · Sale (S): 4,000 @ $8.80 · Sale (S): 4,000 @ $9 · Sale (S): 8,748 @ $10.00 | EDGAR |
| 2026-02-19 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $7.16 · Sale (S): 4,000 @ $7.34 · Sale (S): 4,000 @ $7.29 | EDGAR |
| 2026-02-17 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,294 @ $0 · Option exercise (M): 18,294 (derivative) @ $0 | EDGAR |
| 2026-02-11 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 4,000 @ $8.74 · Sale (S): 4,000 @ $8.71 · Sale (S): 4,000 @ $7.99 | EDGAR |
| 2026-02-04 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $10.32 · Sale (S): 8,000 @ $10.04 · Sale (S): 4,000 @ $8.94 | EDGAR |
| 2026-01-28 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $10.89 · Sale (S): 8,000 @ $10.51 · Sale (S): 8,000 @ $10.57 | EDGAR |
| 2026-01-22 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $11.20 · Sale (S): 8,000 @ $11.02 · Sale (S): 8,000 @ $11.20 | EDGAR |
| 2026-01-14 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $11.51 · Sale (S): 8,000 @ $11.37 · Sale (S): 8,000 @ $11.69 | EDGAR |
| 2026-01-07 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $11.98 · Sale (S): 8,000 @ $11.87 · Sale (S): 8,000 @ $11.66 | EDGAR |
| 2025-12-31 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $12.65 · Sale (S): 8,000 @ $12.79 · Sale (S): 8,000 @ $12.94 | EDGAR |
| 2025-12-29 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $12.86 · Sale (S): 8,000 @ $12.68 · Sale (S): 8,000 @ $12.67 | EDGAR |
| 2025-12-17 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $12.88 · Sale (S): 8,000 @ $12.67 · Sale (S): 8,000 @ $12.82 | EDGAR |
| 2025-12-10 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $13.07 · Sale (S): 8,000 @ $13.28 · Sale (S): 8,000 @ $13.50 | EDGAR |
| 2025-12-03 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $12.60 · Sale (S): 8,000 @ $12.57 · Sale (S): 4,711 @ $13.19 · Sale (S): 3,289 @ $13.64 | EDGAR |
| 2025-11-26 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $11.88 · Sale (S): 8,000 @ $11.98 · Sale (S): 8,000 @ $12.48 | EDGAR |
| 2025-11-19 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 8,000 @ $12.31 · Sale (S): 8,000 @ $11.85 · Sale (S): 8,000 @ $11.72 | EDGAR |
| 2025-11-18 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,294 @ $0 · Option exercise (M): 18,294 (derivative) @ $0 | EDGAR |
| 2025-08-18 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,294 @ $0 · Option exercise (M): 18,294 (derivative) @ $0 | EDGAR |
| 2025-05-23 | 4 | WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) | Grant/award (A): 150 @ $0 | EDGAR |
| 2025-05-16 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,293 @ $0 · Option exercise (M): 18,293 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | MediaAlpha, Inc. (MAX) | Grant/award (A): 606,800 @ $0 · Grant/award (A): 26,249 @ $0 | EDGAR |
| 2025-02-18 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,294 @ $0 · Option exercise (M): 18,294 (derivative) @ $0 | EDGAR |
| 2024-11-18 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,294 @ $0 · Option exercise (M): 18,294 (derivative) @ $0 | EDGAR |
| 2024-11-01 | 4 | MediaAlpha, Inc. (MAX) | Sale (S): 72,000 @ $20.66 | EDGAR |
| 2024-08-15 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,294 @ $0 · Option exercise (M): 18,294 (derivative) @ $0 | EDGAR |
| 2024-05-24 | 4 | WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) | Grant/award (A): 165 @ $0 | EDGAR |
| 2024-05-20 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,293 @ $0 · Option exercise (M): 18,293 (derivative) @ $0 | EDGAR |
| 2024-03-19 | 4 | MediaAlpha, Inc. (MAX) | Grant/award (A): 6,400 @ $0 · Grant/award (A): 291,400 @ $0 · Grant/award (A): 43,750 @ $0 | EDGAR |
| 2024-02-16 | 4 | MediaAlpha, Inc. (MAX) | Option exercise (M): 18,294 @ $0 · Option exercise (M): 18,294 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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