Kemper J. Mariner Amends UMB Financial Ownership on March 23, 2026
| Field | Detail |
|---|---|
| Company | Schedule 13d/A - Kemper J Mariner (0001229109) (Filed By) |
| Filed Date | Mar 24, 2026 |
| Risk Level | medium |
| Pages | 1 |
| Reading Time | 1 min |
| Key Dollar Amounts | $116.82, $127.61, $128.59, $129.06 |
| Sentiment | neutral |
Complexity: simple
Sentiment: neutral
Topics: insider-ownership, amendment, beneficial-ownership
Related Tickers: UMB
TL;DR
**Kemper J. Mariner just updated their ownership stake in UMB Financial, signaling a potential shift in investor confidence.**
AI Summary
Kemper J. Mariner filed a Schedule 13D/A on March 23, 2026, indicating an amendment to their beneficial ownership of UMB Financial Corp (UMB). This filing updates previous disclosures about Mariner's stake in the company, which is a national commercial bank. For investors, this matters because significant changes in beneficial ownership by key individuals like Mariner can signal shifts in control, strategic direction, or confidence in the company's future, potentially influencing stock performance.
Why It Matters
This filing updates the public record on a significant investor's stake in UMB Financial Corp, which can influence investor perception and the company's stock price.
Risk Assessment
Risk Level: medium — Changes in beneficial ownership can indicate potential shifts in company control or strategy, which carries inherent risk for existing shareholders.
Analyst Insight
A smart investor would investigate the specifics of the amendment in the full Schedule 13D/A document to understand the nature of the change in Kemper J. Mariner's beneficial ownership and its potential implications for UMB Financial Corp.
Key Players & Entities
- Kemper J. Mariner (person) — filer of the Schedule 13D/A
- UMB Financial Corp (company) — subject company of the filing
- March 23, 2026 (date) — filing date of the Schedule 13D/A
FAQ
What is the purpose of a Schedule 13D/A filing?
A Schedule 13D/A is an amendment to a Schedule 13D, which is filed by an individual or group that acquires beneficial ownership of more than 5% of a company's voting stock. The '/A' indicates it's an amendment, meaning Kemper J. Mariner is updating previously disclosed information regarding their ownership in UMB Financial Corp.
Which company is the subject of Kemper J. Mariner's Schedule 13D/A filing?
The subject company of the filing is UMB Financial Corp (CIK: 0000101382), which is classified under SIC 6021 (National Commercial Banks).
Filing Stats: 286 words · 1 min read · ~1 pages · Grade level 5.8 · Accepted 2026-03-23 21:28:12
Key Financial Figures
- $116.82 — on for the Arts 03/02/2026 Sale 576 $116.82 R. C. Kemper Charitable Trust and Fou
- $127.61 — on for the Arts 02/02/2026 Sale 576 $127.61 R. C. Kemper Charitable Trust and Fou
- $128.59 — arital Trust 02/02/2026 Sale 15,214 $128.59 J. Mariner Kemper 02/02/2026 Sale
- $129.06 — ariner Kemper 02/02/2026 Sale 3,500 $129.06 ** Represents the gross number of sha
Filing Documents
- primary_doc.html (SCHEDULE 13D/A)
- primary_doc.xml (SCHEDULE 13D/A) — 12KB
- dp243873_ex9901.htm (EX-99.1) — 14KB
- 0000950103-26-004540.txt ( ) — 27KB
From the Filing
EX-99.1 2 dp243873_ex9901.htm EXHIBIT 99.1 Exhibit 99.1 Schedule of Transactions in Common Shares of the Issuer During the Past 60 Days Note: Shares owned and sold by the Bebe and Crosby Kemper Foundation for the Arts, R. C. Kemper Charitable Trust and Foundation and R. C. Kemper Jr. Charitable Trust and Foundation were sold pursuant to a pre-arranged stock sale plan in accordance with Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended. The Reporting Person does not have a pecuniary interest in (the ability to profit from the sale of) those shares. The Reporting Person only has beneficial ownership in the shares held in the R. Crosby Kemper Jr. Marital Trust to the extent of future dispositions following the passing of the beneficiary. Transaction Type Quantity Price/Share Bebe and Crosby Kemper Foundation for the Arts 03/02/2026 Sale 576 $116.82 R. C. Kemper Charitable Trust and Foundation 03/02/2026 Sale 1,250 $116.82 R. C. Kemper Jr. Charitable Trust and Foundation 03/02/2026 Sale 2,550 $116.82 J. Mariner Kemper 02/11/2026 Vesting of Restricted Share Units 2,608* NA J. Mariner Kemper 02/10/2026 Vesting of Restricted Share Units 4,113* NA J. Mariner Kemper 02/09/2026 Vesting of Restricted Share Units 4,585* NA J. Mariner Kemper 02/07/2026 Vesting of Restricted Share Units 4,694* NA Bebe and Crosby Kemper Foundation for the Arts 02/02/2026 Sale 576 $127.61 R. C. Kemper Charitable Trust and Foundation 02/02/2026 Sale 1,250 $127.61 R. C. Kemper Jr. Charitable Trust and Foundation 02/02/2026 Sale 2,550 $127.61 R. C. Kemper Marital Trust 02/02/2026 Sale 15,214 $128.59 J. Mariner Kemper 02/02/2026 Sale 3,500 $129.06 ** Represents the gross number of shares received by the Reporting Person (i.e., prior to withholding of shares to pay tax obligations).