Insider · CIK 0001229109
J Mariner Kemper
Files at UMBF (UMB FINANCIAL CORP). First filing Nov 4, 2024, latest Feb 3, 2026.
J Mariner Kemper files SEC Form 4 as CEO, chair and director at UMBF (UMB FINANCIAL CORP). Since Nov 4, 2024, J Mariner Kemper has reported 0 open-market buys worth $0 and 8 open-market sells worth $13M, the latest filed on Feb 3, 2026.
A track record needs three past buys with six months of prices behind them; J Mariner Kemper has 0, so none is measured yet.
The newest scored trade: sold $2.4M of UMBF on Feb 2, 2026, filed Feb 3, 2026, scored 58 (moderate). In the last 12 months: 0 buys worth $0 and 2 sells worth $4.2M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
UMBF: UMB FINANCIAL CORP
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 58Moderate | UMB FINANCIAL CORP | $2.4M 18,714 shares | -6% | +50% from low0% from high | |
| 58Moderate | UMB FINANCIAL CORP | $1.8M 15,367 shares | -1% | +33% from low-9% from high | |
| 59Moderate | UMB FINANCIAL CORP | $561k 4,500 shares | -1% | +42% from low-3% from high | |
| 65Notable | UMB FINANCIAL CORP | $1.8M 15,523 shares | -1% | +36% from low-8% from high | |
| 44Moderate | UMBFsell UMB FINANCIAL CORP | $551k 5,412 shares | -2% | +18% from low-19% from high | |
| 41Moderate | UMBFsell UMB FINANCIAL CORP | $380k 3,500 shares | -1% | - | |
| 58Moderate | UMB FINANCIAL CORP | $3.0M 24,300 shares | -2% | - | |
| 65Notable | UMB FINANCIAL CORP | $2.6M 24,300 shares | -2% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Feb 2, 2026 | UMBF UMB FINANCIAL CORP | 3,500 0.00% of outstanding | $452k | Feb 2, 2026 | $3.4M |
| Sep 9, 2025 | UMBF UMB FINANCIAL CORP | 3,500 0.01% of outstanding | $439k | Sep 9, 2025 | $2.9M |
| Feb 21, 2025 | UMBF UMB FINANCIAL CORP | 3,500 0.01% of outstanding | $380k | Feb 21, 2025 | $6.5M |
Transactions
Every row this insider has filed, 39 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Feb 11, 2026 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -1,090 | $132.16 | $144k | 328,710 | Feb 13, 2026 |
| Feb 10, 2026 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -1,721 | $132.87 | $229k | 329,621 | Feb 12, 2026 |
| Feb 9, 2026 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -1,904 | $134.29 | $256k | 331,122 | Feb 11, 2026 |
| Feb 7, 2026 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -2,043 | $134.32 | $274k | 316,307 | Feb 10, 2026 |
| Feb 9, 2026 | UMBF UMB FINANCIAL CORP | AGrant or award Common Stock | +16,510 | $0.00 | $0 | 332,885 | Feb 10, 2026 |
| Feb 2, 2026 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stock | -3,500 | $129.06 | $452k | 318,350 | Feb 3, 2026 |
| Feb 2, 2026 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -7,972 | $128.04 | $1.0M | 1,513,442 | Feb 3, 2026 |
| Feb 2, 2026 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -7,242 | $129.19 | $936k | 1,506,200 | Feb 3, 2026 |
| Dec 31, 2025 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -7,629 | $115.04 | $878k | 321,850 | Jan 2, 2026 |
| Dec 8, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -15,367 | $114.58 | $1.8M | 1,521,414 | Dec 8, 2025 |
| Oct 31, 2025 | UMBF UMB FINANCIAL CORP | AGrant or award Common Stock | +5,613 | $0.00 | $0 | 329,479 | Nov 4, 2025 |
| Nov 1, 2018 | UMBF UMB FINANCIAL CORP | GGift Common Stock | -9,000 | $0.00 | $0 | 181,189 | Sep 11, 2025 |
| Sep 9, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stock | -100 | $124.92 | $12k | 327,266 | Sep 11, 2025 |
| Nov 1, 2018 | UMBF UMB FINANCIAL CORP | GGift Common Stockindirect: By Trust: Megan Kemper Trust | +9,000 | $0.00 | $0 | 9,000 | Sep 11, 2025 |
| Sep 9, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stock | -3,400 | $125.37 | $426k | 323,866 | Sep 11, 2025 |
| Sep 10, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust: Megan Kemper Trust | -800 | $122.66 | $98k | 8,200 | Sep 11, 2025 |
| Sep 10, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust: Megan Kemper Trust | -100 | $122.55 | $12k | 8,100 | Sep 11, 2025 |
| Sep 10, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust: Megan Kemper Trust | -100 | $122.51 | $12k | 8,000 | Sep 11, 2025 |
| Aug 13, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -15,523 | $116.33 | $1.8M | 1,536,781 | Aug 14, 2025 |
| Jun 2, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: Held by Kemper Realty | -1,452 | $101.84 | $148k | 288,945 | Jun 2, 2025 |
| Feb 9, 2024 | UMBF UMB FINANCIAL CORP | AGrant or award Common Stock | +13,468 | $0.00 | $0 | 265,582 | Jun 2, 2025 |
| Jun 2, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: Held by Pioneer Service Corporation | -3,960 | $101.80 | $403k | 392,029 | Jun 2, 2025 |
| Feb 21, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stock | -2,899 | $108.55 | $315k | 334,948 | Feb 25, 2025 |
| Feb 21, 2025 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stock | -601 | $108.89 | $65k | 334,347 | Feb 25, 2025 |
| Feb 12, 2025 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -1,134 | $112.94 | $128k | 337,847 | Feb 14, 2025 |
| Feb 11, 2025 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -1,124 | $114.17 | $128k | 338,812 | Feb 13, 2025 |
| Feb 10, 2025 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -1,634 | $113.24 | $185k | 339,795 | Feb 12, 2025 |
| Feb 9, 2025 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -1,878 | $114.11 | $214k | 341,276 | Feb 11, 2025 |
| Feb 7, 2025 | UMBF UMB FINANCIAL CORP | AGrant or award Common Stock | +14,021 | $0.00 | $0 | 343,081 | Feb 10, 2025 |
| Jan 31, 2025 | UMBF UMB FINANCIAL CORP | AGrant or award Common Stock | +17,174 | $0.00 | $0 | 289,731 | Feb 3, 2025 |
| Jan 31, 2025 | UMBF UMB FINANCIAL CORP | AGrant or award Common Stock | +39,329 | $0.00 | $0 | 329,060 | Feb 3, 2025 |
| Jan 27, 2025 | UMBF UMB FINANCIAL CORP | AGrant or award Common Stock | +24,191 | $0.00 | $0 | 281,987 | Jan 29, 2025 |
| Jan 27, 2025 | UMBF UMB FINANCIAL CORP | FTax withholding Common Stock | -9,430 | $121.11 | $1.1M | 272,557 | Jan 29, 2025 |
| Dec 2, 2024 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -9,632 | $124.61 | $1.2M | 1,566,972 | Dec 4, 2024 |
| Dec 2, 2024 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -14,668 | $125.18 | $1.8M | 1,552,304 | Dec 4, 2024 |
| Nov 1, 2024 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -4,688 | $107.87 | $506k | 1,596,216 | Nov 4, 2024 |
| Nov 1, 2024 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -10,404 | $108.42 | $1.1M | 1,585,812 | Nov 4, 2024 |
| Nov 1, 2024 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -5,308 | $109.40 | $581k | 1,580,504 | Nov 4, 2024 |
| Nov 1, 2024 | UMBF UMB FINANCIAL CORP | SOpen-market sale Common Stockindirect: By Trust - RC Kemper Irrevocable Trust | -3,900 | $110.29 | $430k | 1,576,604 | Nov 4, 2024 |
Questions about J Mariner Kemper
Answered from the filings on this page, as of the latest one.
Is J Mariner Kemper buying or selling?
In the last 12 months J Mariner Kemper reported 0 open-market buys worth $0 and 2 open-market sells worth $4.2M on SEC Form 4; the latest was sold $2.4M of UMBF on Feb 2, 2026. Grants, option exercises and tax withholding are not counted.
How did J Mariner Kemper's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and J Mariner Kemper has 0.
Where does J Mariner Kemper file Form 4?
J Mariner Kemper has filed Form 4 at UMBF (UMB FINANCIAL CORP) as Chairman and CEO. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.