Mason Mark
- SEC CIK
- 0001487290
In the past year, 1 open-market sale filing worth $416.0K and no purchases.
Current role at each company
- MSFT Microsoft CorpDirectoras of Sep 11, 2026
- C Citigroup IncChief Financial Officeras of Feb 24, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $416.0K
- 1 filing
- Net
- −$416.0K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Mason Mark as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
C Citigroup Inc
Chief Financial Officer2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 24, 2026 (view filing) | Feb 20 | 4 days | Mason MarkChief Financial Officer | SSale | −3.63K | $114.71 | −$416.0K | −1.5%233.8K after | 2 lots |
| Feb 18, 2025 (view filing) | Feb 14 | 4 days | Mason MarkChief Financial Officer | SSale | −58.5K | $83.21 | −$4.86M | −21.2%217.3K after |