Aaron James Deer is VP at COLUMBIA BANKING SYSTEM, INC. (COLB). They have made 8 open-market trades across 1 company since 2021, most recently 2026-06-30.
CIK 0001810107
8 open-market purchases totalling $426K since 2021, never a sale. Across 8 scored buys the stock is down 3.5% at ninety days, and 2.3 points behind the S&P over the same stretch.
8 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| COLB | 42,761 | $1.2M |
Shares reported on the most recent Form 4, priced at the 2026-07-02 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 38% | 50% | 25% |
| Avg Move | -0.5% | +1.5% | -3.5% |
| Alpha | +0.1% | -1.2% | -2.3% |
| Scored | 8 | 8 | 8 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| COLB | BUY | 2026-06-30 | 2026-07-02 | $25.37 | $22K | +2.2% | -1.1% | -10.2% |
| COLB | BUY | 2024-02-01 | 2024-02-01 | $19.32 | $39K | -1.9% | -4.0% | +3.7% |
| COLB | BUY | 2023-06-30 | 2023-07-05 | $18.25 | $16K | +8.8% | +10.0% | -6.7% |
| COLB | BUY | 2022-06-30 | 2022-07-01 | $25.79 | $19K | -2.8% | +3.5% | -1.0% |
| COLB | BUY | 2022-05-02 | 2022-05-04 | $28.00 | $84K | -6.3% | +0.9% | -1.6% |
| COLB | BUY | 2022-02-24 | 2022-02-24 | $33.45 | $201K | -4.0% | -5.2% | -17.9% |
| COLB | BUY | 2021-07-06 | 2021-07-06 | $31.64 | $22K | -3.8% | -1.4% | +8.0% |
| COLB | BUY | 2021-02-15 | 2021-02-17 | $24.06 | $22K | +3.6% | +9.0% | -2.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.