Richard A. Sandberg is Director at Oxford Immunotec Global PLC (OXFD). They have made 19 open-market trades across 3 companies since 2006, most recently 2026-05-21.
CIK 0001245055
7 open-market purchases totalling $270K since 2006, against 12 sales. Across 6 scored buys the stock is up 48.1% at ninety days, and 40.5 points ahead of the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| OXFD | 4,081 | $90K |
| ETH | 3,500 | $80K |
| PRPO | 3,000 | $65K |
| MZT | 43,598 | — |
| NASI | 10,991 | — |
| Total | $235K |
Shares reported on the most recent Form 4, priced at the 2026-05-26 close. 2 holdings could not be priced and are excluded from the total.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 100% | 100% | 100% |
| Avg Move | +14.8% | +15.5% | +48.1% |
| Alpha | +12.9% | +11.8% | +40.5% |
| Scored | 6 | 6 | 6 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| PRPO | SELL | 2026-05-21 | 2026-05-26 | $25.02 | $23K | -2.2% | -7.2% | +26.8% |
| PRPO | SELL | 2026-05-19 | 2026-05-21 | $24.82 | $78K | -10.1% | -10.8% | +7.8% |
| PRPO | BUY | 2025-05-30 | 2025-05-30 | $10.00 | $14K | +10.2% | +9.9% | +53.7% |
| PRPO | BUY | 2025-05-27 | 2025-05-28 | $9.80 | $990 | +22.8% | +13.8% | +50.9% |
| PRPO | BUY | 2025-05-22 | 2025-05-27 | $9.33 | $5K | +10.3% | +10.7% | +39.8% |
| PRPO | BUY | 2025-05-21 | 2025-05-22 | $9.27 | $74K | +14.0% | +12.9% | +54.0% |
| PRPO | BUY | 2025-05-19 | 2025-05-22 | $8.43 | $42K | +14.0% | +12.9% | +54.0% |
| PRPO | BUY | 2024-12-13 | 2024-12-23 | $6.10 | $92K | +17.6% | +32.8% | +36.4% |
| PRPO | SELL | 2024-12-13 | 2024-12-23 | $5.88 | $71K | +17.6% | +32.8% | +36.4% |
| PRPO | SELL | 2024-11-11 | 2024-11-12 | $6.28 | $13K | -8.2% | -3.1% | +7.0% |
| PRPO | SELL | 2024-11-11 | 2024-12-23 | $6.03 | $12K | +17.6% | +32.8% | +36.4% |
| PRPO | BUY | 2023-01-20 | 2023-01-23 | $0.78 | $16K | +16.7% | +7.4% | -23.5% |
| PRPO | BUY | 2022-12-20 | 2022-12-20 | $0.55 | $11K | +18.9% | +48.6% | +15.3% |
| OXFD | SELL | 2019-11-01 | 2019-11-05 | $15.60 | $47K | +0.4% | +2.6% | -6.3% |
| OXFD | SELL · 10b5-1 | 2019-08-01 | 2019-08-05 | $12.90 | $39K | +2.7% | -1.0% | +19.5% |
| OXFD | SELL | 2019-08-01 | 2019-08-05 | $19.90 | $119K | +2.7% | -1.0% | +19.5% |
| OXFD | SELL · 10b5-1 | 2019-05-01 | 2019-05-03 | $16.05 | $48K | -4.7% | -9.3% | -20.0% |
| OXFD | SELL · 10b5-1 | 2019-02-01 | 2019-02-01 | $14.25 | $43K | +4.5% | +13.6% | +11.3% |
| OXFD | SELL · 10b5-1 | 2018-11-01 | 2018-11-01 | $15.50 | $47K | -2.2% | -3.3% | -8.9% |
| OXFD | SELL · 10b5-1 | 2018-08-01 | 2018-08-03 | $13.15 | $39K | -1.5% | +2.9% | +8.9% |
| OXFD | SELL · 10b5-1 | 2018-05-01 | 2018-05-02 | $12.77 | $38K | -0.7% | +9.0% | -2.1% |
| OXFD | SELL · 10b5-1 | 2018-02-15 | 2018-02-16 | $12.02 | $36K | -7.7% | +14.4% | +14.0% |
| OXFD | SELL | 2017-11-01 | 2017-11-02 | $13.35 | $40K | +4.8% | +18.2% | -7.2% |
| OXFD | SELL · 10b5-1 | 2017-09-01 | 2017-09-05 | $15.82 | $47K | -2.7% | +7.1% | -6.1% |
| OXFD | SELL | 2017-05-10 | 2017-05-11 | $14.40 | $43K | -2.1% | +0.6% | +20.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.