MediaAlpha, Inc.
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale countsTransaction codes
By Form 4 transaction code in selected period- S · Open-market sells · dominant21 · 57%
- F · Tax withholding8 · 22%
- M · Option exercise8 · 22%
Activity by reported role
A joint filing can contribute to multiple roles- Director · dominant18 · 44%
- CRO5 · 12%
- CTO5 · 12%
- SR5 · 12%
- GC4 · 10%
- SECY4 · 10%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (5)Reported Holdings After
Separated by insider, security, and ownership typeThese are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redTop insiders
By absolute net value across the selected period- NE-$835.9k
- YS-$594.4k
- TR-$318.8k
- CB-$186.8k
- CK-$165.9k
Recent filing activity
Most recent 12 transactions · color = transaction codeFiling detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
MAX transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| MAX | Yi Steven | SR | sale10b5-1 | 48.0k | -$59.4M | S | — | 0.0% | 09/02 | 09/01 |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 7.77k | -$9.52M | S | — | 0.0% | 09/02 | 09/02 |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 7.77k | -$9.63M | S | — | 0.0% | 09/02 | 09/01 |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 7.77k | -$9.80M | S | — | 0.0% | 09/02 | 08/31 |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 2.66k | -$3.25M | S | — | 0.0% | 09/02 | 09/02 |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 2.66k | -$3.32M | S | — | 0.0% | 09/02 | 09/01 |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 2.66k | -$3.35M | S | — | 0.0% | 09/02 | 08/31 |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 8.20k | -$10.8M | S | −8.8% | 08/19 | 08/19 | |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 8.20k | -$10.5M | S | −8.8% | 08/19 | 08/18 | |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 8.20k | -$10.4M | S | −8.8% | 08/19 | 08/17 | |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 3.28k | -$4.33M | S | −8.8% | 08/19 | 08/19 | |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 3.28k | -$4.23M | S | −8.8% | 08/19 | 08/18 | |
| MAX | Nonko Eugene | DIR | sale10b5-1 | 3.28k | -$4.20M | S | −8.8% | 08/19 | 08/17 | |
| MAX | COYNE JEFFREY B | GCSECY | withholding | 4.22k | -$5.56M | F | −6.7% | 08/18 | 08/15 | |
| MAX | COYNE JEFFREY B | GCSECY | withholding | 5.22k | -$6.88M | F | −6.7% | 08/18 | 08/15 | |
| MAX | COYNE JEFFREY B | GCSECY | withholding | 2.54k | -$3.34M | F | −6.7% | 08/18 | 08/15 | |
| MAX | COYNE JEFFREY B | GCSECY | withholding | 2.18k | -$2.88M | F | −6.7% | 08/18 | 08/15 | |
| MAX | Thompson Patrick Ryan | SR | withholding | 6.25k | -$8.23M | F | −6.7% | 08/18 | 08/15 | |
| MAX | Thompson Patrick Ryan | SR | withholding | 8.33k | -$10.9M | F | −6.7% | 08/18 | 08/15 | |
| MAX | Thompson Patrick Ryan | SR | withholding | 4.36k | -$5.75M | F | −6.7% | 08/18 | 08/15 | |
| MAX | Thompson Patrick Ryan | SR | withholding | 5.25k | -$6.92M | F | −6.7% | 08/18 | 08/15 | |
| MAX | Cramer Keith | CRO | exercise10b5-1 | 4.47k | $0 | M | −6.7% | 08/18 | 08/15 | |
| MAX | Cramer Keith | CRO | exercise10b5-1 | 5.30k | $0 | M | −6.7% | 08/18 | 08/15 | |
| MAX | Cramer Keith | CRO | sale10b5-1 | 13.0k | -$16.5M | S | −6.7% | 08/18 | 08/17 | |
| MAX | Cramer Keith | CRO | exercise10b5-1 | 4.47k | $0 | M | −6.7% | 08/18 | 08/15 | |
| MAX | Cramer Keith | CRO | exercise10b5-1 | 5.30k | $0 | M | −6.7% | 08/18 | 08/15 | |
| MAX | Yeh Kuanling Amy | CTO | exercise10b5-1 | 4.80k | $0 | M | −6.7% | 08/18 | 08/15 | |
| MAX | Yeh Kuanling Amy | CTO | exercise10b5-1 | 5.30k | $0 | M | −6.7% | 08/18 | 08/15 | |
| MAX | Yeh Kuanling Amy | CTO | exercise10b5-1 | 4.80k | $0 | M | −6.7% | 08/18 | 08/15 | |
| MAX | Yeh Kuanling Amy | CTO | exercise10b5-1 | 5.30k | $0 | M | −6.7% | 08/18 | 08/15 | |
| MAX | Yeh Kuanling Amy | CTO | sale10b5-1 | 12.0k | -$16.2M | S | −6.7% | 08/18 | 08/14 |
MediaAlpha, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at MediaAlpha, Inc.?
Yi Steven, Nonko Eugene, COYNE JEFFREY B, Thompson Patrick Ryan, Cramer Keith, Yeh Kuanling Amy.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Nonko Eugene reported a sale on Sep 02, 2026 valued at $9.52M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $2,187,022.81. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.