Buckminster Douglas E. (CIK 1477675) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-03). Recent activity: Buy AXP (38,154 shares), Sell AXP (20,933 shares), Buy AXP (1,728 shares), Sell AXP (710 shares), Sell AXP (13,800 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-03 | AMERICAN EXPRESS CO (AXP) | Vice Chairman | Buy | 38,154 | $0 |
| 2026-02-03 | AMERICAN EXPRESS CO (AXP) | Vice Chairman | Sell | 20,933 | $7.4M |
| 2026-02-03 | AMERICAN EXPRESS CO (AXP) | Vice Chairman | Buy | 1,728 | $0 |
| 2026-02-03 | AMERICAN EXPRESS CO (AXP) | Vice Chairman | Sell | 710 | $250,041 |
| 2025-12-08 | AMERICAN EXPRESS CO (AXP) | Vice Chairman | Sell | 13,800 | $0 |
| 2025-09-04 | AMERICAN EXPRESS CO (AXP) | Vice Chairman | Sell | 610 | $0 |
| 2025-09-04 | AMERICAN EXPRESS CO (AXP) | Vice Chairman | Buy | 23,505 | $1.3M |
| 2025-09-04 | AMERICAN EXPRESS CO (AXP) | Vice Chairman | Sell | 23,505 | $7.7M |
Source: SEC Form 4 filings · as of 2026-02-03