Key facts
- This page summarizes Eugene Nonko's Form 4 filing for MediaAlpha, Inc. (MAX).
- 6 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 29 Dec 2025, 18:54.
Eugene Nonko - 22 Dec 2025 Form 4 Insider Report for MediaAlpha, Inc. (MAX)
- Reporting relationship
- Director
- Issuer ticker
- MAX
- Reported as of
- 22 Dec 2025
- Net transaction value
- -$463,021
- SEC form
- 4
- Accepted by SEC
- 29 Dec 2025, 18:54:38 UTC
- Prior SEC filing
- 17 Dec 2025
- Next SEC filing
- 31 Dec 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Jeffrey B. Coyne
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Eugene Nonko filed Form 4 for MediaAlpha, Inc. (MAX) on 29 Dec 2025.
Change
- Previous filing in this sequence was filed on 17 Dec 2025.
- Current net transaction value: -$463,021.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001830016
Primary reporting owner
Nonko Eugene
- Relationship
- Director
- Address
- C/O MEDIAALPHA, INC., 700 SOUTH FLOWER STREET, SUITE 640, LOS ANGELES
- Signature
- /s/ Jeffrey B. Coyne
- Signature date
- 29 Dec 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MAX
transaction
Class A Common Stock
Sale
- Transaction value
- $69,726
- Shares
- -5,400
- Change %
- -0.52%
- Price
- $12.91
- Shares after
- 1,041,448
- Date
- 22 Dec 2025
- Ownership
- Direct
- Footnotes
- F1, F2
MAX
transaction
Class A Common Stock
Sale
- Transaction value
- $68,489
- Shares
- -5,400
- Change %
- -0.52%
- Price
- $12.68
- Shares after
- 1,036,048
- Date
- 23 Dec 2025
- Ownership
- Direct
- Footnotes
- F1, F3
MAX
transaction
Class A Common Stock
Sale
- Transaction value
- $68,413
- Shares
- -5,400
- Change %
- -0.52%
- Price
- $12.67
- Shares after
- 1,030,648
- Date
- 24 Dec 2025
- Ownership
- Direct
- Footnotes
- F1, F4
MAX
transaction
Class A Common Stock
Sale
- Transaction value
- $86,494
- Shares
- -6,700
- Change %
- -0.42%
- Price
- $12.91
- Shares after
- 1,596,320
- Date
- 22 Dec 2025
- Ownership
- By O.N.E. Holdings,LLC
- Footnotes
- F1, F5
MAX
transaction
Class A Common Stock
Sale
- Transaction value
- $84,989
- Shares
- -6,700
- Change %
- -0.42%
- Price
- $12.68
- Shares after
- 1,589,620
- Date
- 23 Dec 2025
- Ownership
- By O.N.E. Holdings,LLC
- Footnotes
- F1, F3
MAX
transaction
Class A Common Stock
Sale
- Transaction value
- $84,910
- Shares
- -6,700
- Change %
- -0.42%
- Price
- $12.67
- Shares after
- 1,582,920
- Date
- 24 Dec 2025
- Ownership
- By O.N.E. Holdings,LLC
- Footnotes
- F1, F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 6 footnotes
Footnote F1
The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person to cover taxes resulting from the vesting of RSUs.
Footnote F2
Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $12.74 to $13.07 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Footnote F3
Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $12.62 to $12.79 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Footnote F4
Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $12.57 to $12.745 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Footnote F5
Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $12.70 to $13.07 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Footnote F6
Reflects the weighted-average sale price for shares sold in multiple transactions at prices ranging from $12.57 to $12.74 per share. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.