Alexis DeSieno - 01 Jan 2026 Form 4 Insider Report for Cardlytics, Inc. (CDLX)

Reporting relationship: Chief Financial Officer
Issuer ticker: CDLX
Reported as of: 01 Jan 2026
Net transaction value: -$10,070
SEC form: 4
Accepted by SEC: 05 Jan 2026, 18:47:13 UTC
Prior SEC filing: 02 Oct 2025
Source filing: View source filing
Reporting owner signature: /s/ Nick Lynton, Attorney-in-Fact

Key filing fact

Alexis DeSieno filed Form 4 for Cardlytics, Inc. (CDLX) on 05 Jan 2026.

Key facts

This page summarizes Alexis DeSieno's Form 4 filing for Cardlytics, Inc. (CDLX).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 Jan 2026, 18:47.

Change

Previous filing in this sequence was filed on 02 Oct 2025.
Current net transaction value: -$10,070.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001987391 Primary reporting owner

DeSieno Alexis

Relationship: Chief Financial Officer
Address: 675 PONCE DE LEON AVE. NE, SUITE 4100, ATLANTA
Signature: /s/ Nick Lynton, Attorney-in-Fact
Signature date: 05 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CDLX transaction

Common Stock

Options Exercise

Transaction value
Shares: +14,349
Change %: +7.3%
Price
Shares after: 209,766
Date: 01 Jan 2026
Ownership: Direct
Footnotes: F1

CDLX transaction

Common Stock

Sale

Transaction value: $10,070
Shares: -8,607
Change %: -4.1%
Price: $1.17
Shares after: 201,159
Date: 05 Jan 2026
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CDLX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -14,349
Change %: -50%
Price: $0.000000
Shares after: 14,350
Date: 01 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 14,349
Exercise price
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer.

Footnote F2

Shares were sold solely to satisfy tax withholding obligations that resulted from the delivery of shares of common stock for RSUs that vested on January 1, 2026. The Reporting Person did not sell shares for any other purpose.

Footnote F3

The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $1.12 to $1.235, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (3).

Footnote F4

The RSU award was originally for 114,796 shares. The RSU award vested or will vest in eight equal installments on July 1, 2024, October 1, 2024, January 1, 2025, April 1, 2025, July 1, 2025, October 1, 2025, January 1, 2026 and April 1, 2026, provided that the Reporting Person remains employed by the Issuer on such vesting date.