Steven D. Rubin is VP at OPKO HEALTH, INC. (OPK). They have made 27 open-market trades across 6 companies since 2007, most recently 2026-08-07.
CIK 0001381874
25 open-market purchases totalling $541K since 2007, against 2 sales. Across 22 scored buys the stock is up 1.2% at ninety days, and 1.9 points behind the S&P over the same stretch.
22 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 41% | 64% | 64% |
| Avg Move | -2.7% | +1.4% | +1.2% |
| Alpha | -4.5% | +0.1% | -1.9% |
| Scored | 22 | 22 | 22 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| [ENTX] | BUY | 2026-02-12 | 2026-02-17 | $1.49 | $7K | N/A | N/A | N/A |
| [ENTX] | BUY | 2026-02-09 | 2026-02-11 | $1.20 | $12K | N/A | N/A | N/A |
| RDVT | SELL | 2025-03-19 | 2025-03-21 | $38.93 | $389K | -0.5% | -7.9% | +21.0% |
| OPK | BUY | 2024-01-05 | 2024-01-05 | $0.87 | $9K | +5.5% | +4.6% | +46.2% |
| OPK | BUY | 2023-11-10 | 2023-11-13 | $1.30 | $13K | +15.3% | +17.6% | -20.6% |
| CDXC | BUY | 2023-05-25 | 2023-05-30 | $1.46 | $10K | +12.8% | +11.3% | +9.2% |
| OPK | BUY | 2020-08-26 | 2020-08-27 | $4.00 | $40K | -6.9% | -5.1% | +17.9% |
| OPK | BUY | 2019-10-25 | 2019-10-25 | $1.50 | $23K | -0.7% | +9.4% | +8.7% |
| OPK | BUY | 2019-05-09 | 2019-05-10 | $2.14 | $21K | -3.4% | -6.3% | -6.8% |
| OPK | BUY | 2019-03-06 | 2019-03-07 | $2.56 | $20K | -0.8% | +0.0% | -22.9% |
| OPK | BUY | 2018-03-07 | 2018-03-08 | $3.25 | $20K | -1.8% | -9.5% | +21.1% |
| OPK | BUY | 2017-05-31 | 2017-06-01 | $6.10 | $12K | +1.2% | -0.2% | -4.0% |
| OPK | BUY | 2017-05-11 | 2017-05-11 | $6.91 | $14K | -7.2% | -7.2% | -8.8% |
| OPK | BUY | 2017-02-08 | 2017-02-09 | $8.11 | $16K | +4.3% | -2.2% | -13.6% |
| OPK | BUY | 2016-12-30 | 2017-01-03 | $9.18 | $18K | +0.4% | -6.6% | -14.9% |
| OPK | BUY | 2016-03-30 | 2016-03-31 | $10.17 | $10K | +5.3% | +2.0% | -9.3% |
| COCP | BUY | 2016-03-15 | 2016-03-18 | $0.51 | $20K | +15.4% | +8.9% | +8.9% |
| OPK | BUY | 2015-08-20 | 2015-08-20 | $12.40 | $25K | -16.4% | +0.8% | +0.8% |
| COCP | BUY | 2015-03-25 | 2015-03-27 | $0.92 | $50K | +15.4% | +8.9% | +8.9% |
| OPK | SELL | 2014-04-14 | 2014-04-15 | $8.37 | $1.5M | -16.4% | +0.8% | +0.8% |
| OPK | BUY | 2013-05-01 | 2013-05-02 | $6.46 | $28K | -16.4% | +0.8% | +0.8% |
| OPK | BUY | 2012-03-29 | 2012-03-30 | $4.68 | $9K | -16.4% | +0.8% | +0.8% |
| NIMU | BUY | 2012-02-28 | 2012-03-01 | $0.05 | $5K | N/A | N/A | N/A |
| OPK | BUY | 2008-05-08 | 2008-05-12 | $1.25 | $25K | -16.4% | +0.8% | +0.8% |
| OPK | BUY | 2008-02-13 | 2008-02-13 | $1.80 | $18K | -16.4% | +0.8% | +0.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| ROX |
| 22,500 |
| $28K |
| VBIV | 56,250 | $4K |
| NIMU | 100,000 | — |
| PBTH | 74,753 | — |
| EXEG | 4,095,581 | — |
| CDOM | 302,822 | — |
| SFES | 785,383 | — |
| [ENTX] | 34,117 | — |
| Total | $24.8M |
Shares reported on the most recent Form 4, priced at the 2026-08-07 close. 6 holdings could not be priced and are excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.