Insiders / J Mariner Kemper
J Mariner Kemper
CIK 1229109personinsiderbeneficial owner
Companies
1
First seen
Jan 2, 2026
Last activity
Mar 23, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| UMB Financial Corp · UMBF | 1,834,910 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| UMB Financial Corp | Common Stock | 1,834,910 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 2, 2026 | Sell | UMBF UMB Financial Corp Common Stock | $1.02M | -8K -0.52% | 1,513,442 1.99% of shares | medium |
| Feb 2, 2026 | Sell | UMBF UMB Financial Corp Common Stock | $935.6K | -7K -0.48% | 1,506,200 1.98% of shares | medium |
| Dec 31, 2025 | Other | UMBF UMB Financial Corp Common Stock | $877.6K | -8K -2.32% | 321,850 0.42% of shares | low |
| Feb 2, 2026 | Sell | UMBF UMB Financial Corp Common Stock | $451.7K | -4K -1.09% | 318,350 0.42% of shares | medium |
| Feb 7, 2026 | Other | UMBF UMB Financial Corp Common Stock | $274.4K | -2K -0.64% | 316,307 0.42% of shares | low |
| Feb 9, 2026 | Other | UMBF UMB Financial Corp Common Stock | $255.7K | -2K -0.57% | 331,122 0.44% of shares | low |
| Feb 10, 2026 | Other | UMBF UMB Financial Corp Common Stock | $228.7K | -2K -0.52% | 329,621 0.43% of shares | low |
| Feb 11, 2026 | Other | UMBF UMB Financial Corp Common Stock | $144.1K | -1K -0.33% | 328,710 0.43% of shares | low |
| Feb 9, 2026 | Grant | UMBF UMB Financial Corp Common Stock | $0 | +17K +5.22% | 332,885 0.44% of shares | low |