Senior insider sale

See Remarks at MEDIAALPHA, INC. — senior position signals high conviction

$5.26M

517.51K shares

What this filing means

NONKO EUGENE plans to sell 517.51K shares of MEDIAALPHA, INC. valued at approximately $5.26M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

NONKO EUGENE

Filed: 4/20/2026ACC: 0001921094-26-000408

InsiderNONKO EUGENECIK 1830016

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IssuerMEDIAALPHA, INC.CIK 1818383

DirectorOfficer· See Remarks

Since Oct 2020

517.51K

Shares to sell

$5.26M

Approx. market value

254.10K

Acquired (3 months)

Planned

15 completed

Securities Acquired — Last 3 Months1

Sort

Capital Contribution / RSU - See Remarks

NA / Equity Compensation

4/30/2022

254.10K

Total acquired254.10K

Acquisition Date	Type	Amount Acquired	Gift
4/30/2022	Capital Contribution / RSU - See Remarks NA / Equity Compensation	254.10K	—
Total		254.10K

Planned & Completed Dispositions16

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Completed

—Completed

Units to sell

2.30K

Market value

$23.0K

3/17/2026

—Completed

Units to sell

2.90K

Market value

$29.0K

3/16/2026

—Completed

Units to sell

4.11K

Market value

$41.1K

3/9/2026

—Completed

Units to sell

12.10K

Market value

$121.2K

3/4/2026

—Completed

Units to sell

12.10K

Market value

$121.6K

3/3/2026

—Completed

Units to sell

108K

Market value

$1.08M

3/2/2026

—Completed

Units to sell

25.10K

Market value

$251.0K

2/25/2026

—Completed

Units to sell

12.10K

Market value

$121.8K

2/3/2026

—Completed

Units to sell

12.10K

Market value

$125.3K

2/2/2026

—Completed

Units to sell

12.10K

Market value

$130.0K

1/28/2026

—Completed

Units to sell

12.10K

Market value

$127.3K

1/27/2026

—Completed

Units to sell

12.10K

Market value

$131.4K

1/26/2026

—Completed

Units to sell

12.10K

Market value

$135.5K

1/22/2026

—Completed

Units to sell

12.10K

Market value

$133.3K

1/21/2026

—Completed

Units to sell

12.10K

Market value

$135.6K

1/20/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

254.10K

Market value

$2.55M

4/20/2026

Total

Units

517.51K

Value

$5.26M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
3/17/2026	2.30K	$23.0K	—	Completed
3/16/2026	2.90K	$29.0K	—	Completed
3/9/2026	4.11K	$41.1K	—	Completed
3/4/2026	12.10K	$121.2K	—	Completed
3/3/2026	12.10K	$121.6K	—	Completed
3/2/2026	108K	$1.08M	—	Completed
2/25/2026	25.10K	$251.0K	—	Completed
2/3/2026	12.10K	$121.8K	—	Completed
2/2/2026	12.10K	$125.3K	—	Completed
1/28/2026	12.10K	$130.0K	—	Completed
1/27/2026	12.10K	$127.3K	—	Completed
1/26/2026	12.10K	$131.4K	—	Completed
1/22/2026	12.10K	$135.5K	—	Completed
1/21/2026	12.10K	$133.3K	—	Completed
1/20/2026	12.10K	$135.6K	—	Completed
Planned — Approximate Date
4/20/2026	254.10K	$2.55M	NYSE	Planned
Total	517.51K	$5.26M