Mark A. L. Mason

Chief Financial Officer, Citigroup

In the seat. First published here October 28, 2026; built from records as of October 28, 2026.

Mark A. L. Mason signed the annual report of Citigroup as Chief Financial Officer; the report was filed on February 20, 2026, the most recent filing in the record that ties Mark A. L. Mason to the seat.¹

Seats

The seat in the record

Company	Title as filed	Standing	Filings
Citigroup (C) National Commercial Banks	Chief Financial Officer	In the seat	1

Company names link to the company's page in the record at CFO Tribune, which holds the seat history.

The record

Filing by filing, latest first

February 20, 202610-K filed
Mark A. L. Mason signed the annual report of Citigroup on Form 10-K as Chief Financial Officer, filed February 20, 2026.
/s/ Mark A. L. Mason Mark A. L. Mason Chief Financial Officer
[1] Annual report on Form 10-K by Citigroup, filed with the SEC on February 20, 2026. Read the filing. The record at CFO Tribune.

Sources

Annual report on Form 10-K, Citigroup. U.S. Securities and Exchange Commission, EDGAR, filed February 20, 2026. sec.gov; record.

Corrections and removal

If a line here is wrong, or Mark A. L. Mason wants this profile taken down, write to corrections@cfospotlights.com. Corrections are made on the page with a dated note; removal requests are answered within 72 hours. The underlying filings stay public at the SEC.