MAX

MediaAlpha, Inc.

NYSEConsumer DiscretionaryServices-Business Services, NEC

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.

Latest filingSep 02, 2026Most recent Form 4
Total buying$00 buys
Total selling$218M21 sells
Net open-market-$218M6 insiders
Open-market mix
Buy vs sell distribution by transaction count
21 transactions
0 buys0%·100%21 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
20100-10-20transactionsAug 2026 sells: 16 transactions · $133M16AugSep 2026 sells: 5 transactions · $85.1M5Sep

Transaction codes

By Form 4 transaction code in selected period
37transactions
  • 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
41transactions
  • 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)
Aug 2026Sep 2026
7distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Nonko EugeneClass A Common Stock · Indirect · By O.N.E. Holdings,LLC
976.0k912.0kAug 17, 2026 · 975,959 shares owned afterAug 18, 2026 · 967,754 shares owned afterAug 19, 2026 · 959,549 shares owned afterAug 24, 2026 · 951,344 shares owned afterAug 25, 2026 · 943,139 shares owned afterAug 26, 2026 · 935,361 shares owned afterAug 31, 2026 · 927,583 shares owned afterSep 01, 2026 · 919,805 shares owned afterSep 02, 2026 · 912,027 shares owned afterAug 17, 2026Sep 02, 2026
912,027Sep 02, 2026
Nonko EugeneClass A Common Stock · Direct
839.1k815.3kAug 17, 2026 · 839,118 shares owned afterAug 18, 2026 · 835,836 shares owned afterAug 19, 2026 · 832,554 shares owned afterAug 24, 2026 · 829,272 shares owned afterAug 25, 2026 · 825,990 shares owned afterAug 26, 2026 · 823,323 shares owned afterAug 31, 2026 · 820,656 shares owned afterSep 01, 2026 · 817,989 shares owned afterSep 02, 2026 · 815,322 shares owned afterAug 17, 2026Sep 02, 2026
815,322Sep 02, 2026
Thompson Patrick RyanClass A Common Stock · Direct
1.1M1.1MAug 15, 2026 · 1,086,379 shares owned afterAug 15, 2026 · 1,094,712 shares owned afterAug 15, 2026 · 1,080,127 shares owned afterAug 15, 2026 · 1,099,078 shares owned afterAug 15, 2026Aug 15, 2026
1,099,078Aug 15, 2026
Coyne Jeffrey BClass A Common Stock · Direct
589.6k577.6kAug 15, 2026 · 577,582 shares owned afterAug 15, 2026 · 587,035 shares owned afterAug 15, 2026 · 581,811 shares owned afterAug 15, 2026 · 589,577 shares owned afterAug 15, 2026Aug 15, 2026
589,577Aug 15, 2026
Yeh Kuanling AmyClass A Common Stock · Direct
552.1k542.0kAug 14, 2026 · 541,985 shares owned afterAug 15, 2026 · 547,288 shares owned afterAug 15, 2026 · 552,091 shares owned afterAug 14, 2026Aug 15, 2026
552,091Aug 15, 2026
Cramer KeithClass A Common Stock · Direct
277.3k264.3kAug 15, 2026 · 272,831 shares owned afterAug 15, 2026 · 277,303 shares owned afterAug 17, 2026 · 264,303 shares owned afterAug 15, 2026Aug 17, 2026
264,303Aug 17, 2026
Yeh Kuanling AmyRestricted Stock Units · Direct
28.8k10.6kAug 15, 2026 · 28,819 shares owned afterAug 15, 2026 · 10,607 shares owned afterAug 15, 2026Aug 15, 2026
10,607Aug 15, 2026
Cramer KeithRestricted Stock Units · Direct
26.8k10.6kAug 15, 2026 · 26,832 shares owned afterAug 15, 2026 · 10,607 shares owned afterAug 15, 2026Aug 15, 2026
10,607Aug 15, 2026

These 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 red
3 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
5 insiders
  • NE
    Nonko EugeneDIR · rank 1 · 0 buys · 12 sells
    -$835.9klast 09/02/undefined
  • YS
    Yi StevenSR · rank 2 · 0 buys · 1 sells
    -$594.4klast 09/02/undefined
  • TR
    Thompson Patrick RyanSR · rank 3 · 0 buys · 0 sells
    -$318.8klast 08/18/undefined
  • CB
    Coyne Jeffrey BGC, SECY · rank 4 · 0 buys · 0 sells
    -$186.8klast 08/18/undefined
  • CK
    Cramer KeithCRO · rank 5 · 0 buys · 1 sells
    -$165.9klast 08/18/undefined
Recent filing activity
Most recent 12 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$59.4M
10b5-1 detected29
Amended rows0

MAX transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
MAXYi Steven
SR
sale10b5-148.0k-$59.4MS0.0%09/0209/01
MAXNonko Eugene
DIR
sale10b5-17.77k-$9.52MS0.0%09/0209/02
MAXNonko Eugene
DIR
sale10b5-17.77k-$9.63MS0.0%09/0209/01
MAXNonko Eugene
DIR
sale10b5-17.77k-$9.80MS0.0%09/0208/31
MAXNonko Eugene
DIR
sale10b5-12.66k-$3.25MS0.0%09/0209/02
MAXNonko Eugene
DIR
sale10b5-12.66k-$3.32MS0.0%09/0209/01
MAXNonko Eugene
DIR
sale10b5-12.66k-$3.35MS0.0%09/0208/31
MAXNonko Eugene
DIR
sale10b5-18.20k-$10.8MS8.8%08/1908/19
MAXNonko Eugene
DIR
sale10b5-18.20k-$10.5MS8.8%08/1908/18
MAXNonko Eugene
DIR
sale10b5-18.20k-$10.4MS8.8%08/1908/17
MAXNonko Eugene
DIR
sale10b5-13.28k-$4.33MS8.8%08/1908/19
MAXNonko Eugene
DIR
sale10b5-13.28k-$4.23MS8.8%08/1908/18
MAXNonko Eugene
DIR
sale10b5-13.28k-$4.20MS8.8%08/1908/17
MAXCOYNE JEFFREY B
GCSECY
withholding4.22k-$5.56MF6.7%08/1808/15
MAXCOYNE JEFFREY B
GCSECY
withholding5.22k-$6.88MF6.7%08/1808/15
MAXCOYNE JEFFREY B
GCSECY
withholding2.54k-$3.34MF6.7%08/1808/15
MAXCOYNE JEFFREY B
GCSECY
withholding2.18k-$2.88MF6.7%08/1808/15
MAXThompson Patrick Ryan
SR
withholding6.25k-$8.23MF6.7%08/1808/15
MAXThompson Patrick Ryan
SR
withholding8.33k-$10.9MF6.7%08/1808/15
MAXThompson Patrick Ryan
SR
withholding4.36k-$5.75MF6.7%08/1808/15
MAXThompson Patrick Ryan
SR
withholding5.25k-$6.92MF6.7%08/1808/15
MAXCramer Keith
CRO
exercise10b5-14.47k$0M6.7%08/1808/15
MAXCramer Keith
CRO
exercise10b5-15.30k$0M6.7%08/1808/15
MAXCramer Keith
CRO
sale10b5-113.0k-$16.5MS6.7%08/1808/17
MAXCramer Keith
CRO
exercise10b5-14.47k$0M6.7%08/1808/15
MAXCramer Keith
CRO
exercise10b5-15.30k$0M6.7%08/1808/15
MAXYeh Kuanling Amy
CTO
exercise10b5-14.80k$0M6.7%08/1808/15
MAXYeh Kuanling Amy
CTO
exercise10b5-15.30k$0M6.7%08/1808/15
MAXYeh Kuanling Amy
CTO
exercise10b5-14.80k$0M6.7%08/1808/15
MAXYeh Kuanling Amy
CTO
exercise10b5-15.30k$0M6.7%08/1808/15
MAXYeh Kuanling Amy
CTO
sale10b5-112.0k-$16.2MS6.7%08/1808/14

MediaAlpha, Inc. Insider Activity FAQ

SEC Form 4 context

Who 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.