Krempa David
SEC CIK 1968254 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| ETON | Eton Pharmaceuticals, Inc. | Chief Business Off | 62.0K | — | $5.36M | 8 | 2025-06-12 | 2026-08-24 |
Most active insiders at ETON, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | BRYNJELSEN SEAN | Pres, CEO, Dir, 10% | — | $9.91M |
| 2 | Opaleye Management Inc. | 10% | — | $6.89M |
| 3 | MAIER PAUL V | Dir | — | $5.91M |
| 4 | Krempa David | Chief Business Off | — | $4.86M |
| 5 | Adams Jennifer McKie | Dir | — | $1.62M |
| 6 | Erdogan-Trinkaus Ipek | Chief Commercial Off | — | — |
| 7 | Gruber James R. | CFO | — | — |
| 8 | RIEDEL NORBERT G | Dir | — | — |
Transactions 8
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-24 17:19 | 2026-08-24 | ETON | Eton Pharmaceuticals, Inc. | Krempa David | Chief Business Off | M - OptEx | $7.31 | +25.0K | 62.0K | +68% | +$182.8K |
| D | 2026-08-24 17:19 | 2026-08-24 | ETON | Eton Pharmaceuticals, Inc. | Krempa David | Chief Business Off | S - Sale+OE | $65.07 | -25.0K | 37.0K | -40% | -$1.63M |
| D | 2026-07-13 16:36 | 2026-07-12 | ETON | Eton Pharmaceuticals, Inc. | Krempa David | Chief Business Off | M - OptEx | — | +10.0K | 37.0K | +37% | — |
| DM | 2026-05-27 18:28 | 2026-05-22+ | ETON | Eton Pharmaceuticals, Inc. | Krempa David | Chief Business Off | M - OptEx | $2.32 | +87.8K | 44.9K | New | +$204.1K |
| DM | 2026-05-27 18:28 | 2026-05-22+ | ETON | Eton Pharmaceuticals, Inc. | Krempa David | Chief Business Off | S - Sale+OE | $32.30 | -100.0K | 25.2K | -80% | -$3.23M |
| D | 2026-01-14 | 2026-01-14 | ETON | Eton Pharmaceuticals, Inc. | Krempa David | Chief Business Off | F - Tax | $15.62 | -1,942 | 630.2K | -0.3% | -$30.3K |
| D | 2025-12-12 | 2025-12-12 | ETON | Eton Pharmaceuticals, Inc. | Krempa David | Chief Business Off | F - Tax | $17.00 | -6,264 | 632.2K | -1.0% | -$106.5K |
| M | 2025-06-16 | 2025-06-12+ | ETON | Eton Pharmaceuticals, Inc. | Krempa David | Chief Business Off | S - Sale | $14.83 | -34.0K | 622.9K | -5% | -$504.3K |
Purchase Sale Sale after option exercise All abbreviations