KEMPER J MARINER
Director · Officer · UMBF
As of 2026-09-16, KEMPER J MARINER has 35 Form 4 transactions on record across 1 company — 14 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-04 | UMBF | Sale | 15,062 @ $148.55 | $2.2M | −1.0% of holding | 1,491,138 | Form 4 |
| 2026-08-03 | UMBF | Sale | 4,200 @ $147.27 | $619K | −43.0% of holding | 5,561 | Form 4 |
| 2026-02-02 | UMBF | Sale | 7,972 @ $128.04 | $1.0M | −0.5% of holding | 1,513,442 | Form 4 |
| 2026-02-02 | UMBF | Sale | 7,242 @ $129.19 | $936K | −0.5% of holding | 1,506,200 | Form 4 |
| 2026-02-02 | UMBF | Sale | 3,500 @ $129.06 | $452K | −1.1% of holding | 318,350 | Form 4 |
| 2025-12-08 | UMBF | Sale | 15,367 @ $114.58 | $1.8M | −1.0% of holding | 1,521,414 | Form 4 |
| 2025-09-10 | UMBF | Sale | 800 @ $122.66 | $98K | −8.9% of holding | 8,200 | Form 4 |
| 2025-09-10 | UMBF | Sale | 100 @ $122.55 | $12K | −1.2% of holding | 8,100 | Form 4 |
| 2025-09-10 | UMBF | Sale | 100 @ $122.51 | $12K | −1.2% of holding | 8,000 | Form 4 |
| 2025-09-09 | UMBF | Sale | 3,400 @ $125.37 | $426K | −1.0% of holding | 323,866 | Form 4 |
| 2025-09-09 | UMBF | Sale | 100 @ $124.92 | $12K | −0.0% of holding | 327,266 | Form 4 |
| 2025-08-13 | UMBF | Sale | 15,523 @ $116.33 | $1.8M | −1.0% of holding | 1,536,781 | Form 4 |
| 2025-06-02 | UMBF | Sale | 3,960 @ $101.80 | $403K | −1.0% of holding | 392,029 | Form 4 |
| 2025-06-02 | UMBF | Sale | 1,452 @ $101.84 | $148K | −0.5% of holding | 288,945 | Form 4 |
| 2025-02-21 | UMBF | Sale | 2,899 @ $108.55 | $315K | −0.9% of holding | 334,948 | Form 4 |
| 2025-02-21 | UMBF | Sale | 601 @ $108.89 | $65K | −0.2% of holding | 334,347 | Form 4 |
19 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-03 | UMBF | Gift | 9,761 | 9,761 | Form 4 |
| 2026-02-11 | UMBF | Withheld for tax | 1,090 | 328,710 | Form 4 |
| 2026-02-10 | UMBF | Withheld for tax | 1,721 | 329,621 | Form 4 |
| 2026-02-09 | UMBF | Withheld for tax | 1,904 | 331,122 | Form 4 |
| 2026-02-09 | UMBF | Award / grant | 16,510 | 332,885 | Form 4 |
| 2026-02-07 | UMBF | Withheld for tax | 2,043 | 316,307 | Form 4 |
| 2025-12-31 | UMBF | Withheld for tax | 7,629 | 321,850 | Form 4 |
| 2025-10-31 | UMBF | Award / grant | 5,613 | 329,479 | Form 4 |
| 2025-02-12 | UMBF | Withheld for tax | 1,134 | 337,847 | Form 4 |
| 2025-02-11 | UMBF | Withheld for tax | 1,124 | 338,812 | Form 4 |
| 2025-02-10 | UMBF | Withheld for tax | 1,634 | 339,795 | Form 4 |
| 2025-02-09 | UMBF | Withheld for tax | 1,878 | 341,276 | Form 4 |
| 2025-02-07 | UMBF | Award / grant | 14,021 | 343,081 | Form 4 |
| 2025-01-31 | UMBF | Award / grant | 39,329 | 329,060 | Form 4 |
| 2025-01-31 | UMBF | Award / grant | 17,174 | 289,731 | Form 4 |
| 2025-01-27 | UMBF | Withheld for tax | 9,430 | 272,557 | Form 4 |
| 2025-01-27 | UMBF | Award / grant | 24,191 | 281,987 | Form 4 |
| 2018-11-01 | UMBF | Gift | 9,000 | 9,000 | Form 4 |
| 2018-11-01 | UMBF | Gift | 9,000 | 181,189 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.