InsiderFlow

Mark Mason

C

Mark Mason serves as CFO at Citigroup Inc. (C). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

8 trades

$15.69M

Net Position

Net Seller

$15.69M

Companies Traded

1

C

Active Period

May 2021 – Feb 2026

8 total trades

Most Recent

Sell C

Feb 24, 2026 · $832.1K

Mark Mason's Insider Trading at Citigroup Inc. (C)

Buys

0 · $0.00

Sells

8 · $15.69M

Total Shares Bought

0

Total Shares Sold

196,403

C Price Chart
Loading chart...
DateTypeSharesAvg PriceValueShares After
Feb 24, 2026Sell7,254$114.71$832.1K235,789
Jan 20, 2026Sell29,210$118.04$3.45M0
Feb 13, 2025Sell58,465$83.21$4.86M0
Jan 20, 2025Sell28,711$79.99$2.30M0
Jan 20, 2024Sell24,230$51.52$1.25M0
Jan 20, 2023Sell18,125$49.37$894.8K0
Jan 20, 2022Sell15,042$64.24$966.3K0
May 7, 2021Sell15,366$74.03$1.14M0