Mark L. Baum is CEO at HARROW, INC. (HROW). They have made 9 open-market trades across 5 companies since 2006, most recently 2026-05-14.
CIK 0001274282
7 open-market purchases totalling $1.3M since 2016, against 2 sales. Across 7 scored buys the stock is up 21.6% at ninety days, and 17.7 points ahead of the S&P over the same stretch.
7 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| HROW | 2,996,130 | $81.8M |
| IMMY | 442,126 | $2.5M |
| ETON | 10,000 | $503K |
| IPWR | 7,800 | $23K |
| INKN | 1,305,017 | — |
| Total | $84.8M |
Shares reported on the most recent Form 4, priced at the 2026-05-15 close. 1 holding could not be priced and is excluded from the total.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 71% | 57% | 86% |
| Avg Move | +6.9% | +6.8% | +21.6% |
| Alpha | +6.2% | +6.1% | +17.7% |
| Scored | 7 | 7 | 7 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| HROW | BUY | 2026-05-14 | 2026-05-15 | $30.20 | $302K | +14.3% | +25.6% | +25.4% |
| HROW | BUY | 2024-03-22 | 2024-03-25 | $11.59 | $104K | +12.6% | -14.4% | +79.0% |
| HROW | BUY | 2023-11-16 | 2023-11-16 | $8.11 | $122K | +1.5% | +11.5% | +29.7% |
| HROW | BUY | 2023-08-14 | 2023-08-15 | $17.05 | $99K | -8.3% | -10.9% | -25.6% |
| HROW | BUY | 2022-12-22 | 2022-12-23 | $13.39 | $335K | -1.5% | -2.1% | +19.3% |
| ETON | BUY | 2018-11-15 | 2018-11-15 | $6.00 | $60K | +8.6% | +7.4% | +8.9% |
| IMMY | BUY | 2016-12-19 | 2016-12-21 | $1.79 | $279K | +20.8% | +30.2% | +14.2% |
| IPWR | SELL | 2015-11-13 | 2015-11-17 | $7.54 | $219K | -17.1% | +2.7% | -36.1% |
| INKN | SELL · 10b5-1 | 2010-10-15 | 2010-10-22 | $0.13 | $80K | N/A | N/A | N/A |
| INKN | SELL · 10b5-1 | 2010-10-14 | 2010-10-18 | $0.01 | $3K | N/A | N/A | N/A |
| INKN | SELL · 10b5-1 | 2010-10-13 | 2010-10-21 | $0.14 | $80K | N/A | N/A | N/A |
| QOIL | SELL | 2006-10-03 | 2006-10-10 | $0.03 | $9K | N/A | N/A | N/A |
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.