Insiders / Mason Mark / Activity

Activity — Mason Mark

6 moves.

BiggestBiggest buysBiggest sellsHighest impact
InsidersInstitutions
DateActionCompanyValueShares ΔPosition afterImpact
Jan 20, 2026OtherC
Citigroup Inc
Common Stock
$3.45M-29K
-13.63%
185,048
0.01% of shares
low
Feb 20, 2026SellC
Citigroup Inc
Common Stock
$229.9K-2K
-0.85%
233,789
0.01% of shares
medium
Feb 20, 2026SellC
Citigroup Inc
Common Stock
$186.1K-2K
-0.69%
235,789
0.01% of shares
medium
Feb 11, 2026GrantC
Citigroup Inc
Common Stock
$0+52K
+28.30%
237,416
0.01% of shares
low
Jan 30, 2026GrantMSFT
Microsoft Corp
Common Stock
$0+145
+9.48%
1,675
<0.01% of shares
low
Feb 20, 2026GrantC
Citigroup Inc
Performance Share Units
+39K
39,347
<0.01% of shares
low
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