Updated Jul 16, 2026
Peterman Tamara has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $79K. Historical track record: 2/5 stars across 4 tracked purchases.

| Role | Director |
|---|---|
| Notability | 20/100 |
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★☆☆☆ (2/5) |
|---|---|
| Total purchases tracked | 4 |
| Purchases with forward-return data | 4 |
| 30-day win rate | 5000% |
| 90-day win rate | 5000% |
| Avg 5-day return | +644.22% |
| Avg 30-day return | +443.22% |
| Avg 90-day return | +97.11% |
| Best 30-day return | +1518.29% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-04 | UMBF | UMB FINANCIAL CORP | A — Grant or award | 116 | $129.24 | $15K |
| 2026-02-03 | UMBF | UMB FINANCIAL CORP | P — Open-market purchase | 154 | $127.83 | $20K |
| 2026-02-02 | UMBF | UMB FINANCIAL CORP | A — Grant or award | 786 | $127.14 | $100K |
| 2025-09-02 | UMBF | UMB FINANCIAL CORP | P — Open-market purchase | 163 | $120.44 | $20K |
| 2025-08-01 | UMBF | UMB FINANCIAL CORP | P — Open-market purchase | 183 | $107.58 | $20K |
| 2024-11-05 | UMBF | UMB FINANCIAL CORP | P — Open-market purchase | 181 | $109.29 | $20K |
Peterman Tamara is a corporate insider — currently tracked as Director of UMB FINANCIAL CORP (UMBF). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 4 open-market purchases ($79K) and 0 open-market sales () across all tracked filings.
Across 4 tracked purchases, Peterman Tamara averaged +443.2% avg 30-day return with a 5000% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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