Nachum Shamir is CEO & President at LUMINEX CORP (LMNX). They have made 9 open-market trades across 4 companies since 2015, most recently 2026-07-01.
CIK 0001622164
7 open-market purchases totalling $689K since 2015, against 2 sales. Across 7 scored buys the stock is down 3.1% at ninety days, and 7.9 points behind the S&P over the same stretch.
7 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| CGNT | 159,172 | $1.4M |
| LMNX | 88,798 | $844K |
| MDWD | 55,815 | $663K |
| STXS | 179,327 | $182K |
| SSKN | 289,871 | $56K |
| ISO | 10,253 | $8K |
| Total | $3.1M |
Shares reported on the most recent Form 4, priced at the 2026-07-01 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 57% | 57% | 43% |
| Avg Move | +0.1% | +3.1% | -3.1% |
| Alpha | +0.5% | +3.1% | -7.9% |
| Scored | 7 | 7 | 7 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MDWD | BUY | 2026-06-03 | 2026-06-04 | $14.00 | $84K | -3.4% | +1.9% | -8.8% |
| ISO | BUY | 2022-08-30 | 2022-09-01 | $1.93 | $97K | -13.5% | -15.9% | -34.6% |
| SSKN | BUY | 2021-09-07 | 2021-09-09 | $1.45 | $104K | +11.5% | +22.3% | -5.1% |
| LMNX | SELL | 2020-08-03 | 2020-08-05 | $39.20 | $14.7M | -19.4% | -39.8% | -42.5% |
| LMNX | SELL | 2020-04-14 | 2020-04-16 | $30.50 | $7.6M | +8.9% | -3.6% | +11.8% |
| LMNX | BUY | 2019-11-11 | 2019-11-12 | $19.30 | $97K | +3.7% | +8.7% | +18.8% |
| LMNX | BUY | 2019-08-26 | 2019-08-27 | $19.71 | $99K | +3.2% | +9.4% | +8.7% |
| LMNX | BUY | 2016-11-03 | 2016-11-07 | $18.22 | $109K | +7.2% | -2.1% | +2.1% |
| LMNX | BUY | 2015-05-28 | 2015-05-29 | $16.73 | $100K | -8.1% | -2.5% | -2.5% |
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.