Alisa Lask
CIK 1767593 · View on SEC EDGAR ↗
First SEC filing: March 18, 2026 · Latest: March 18, 2026
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 11, 2019 | NEPH | P | 250 | $6.45 | $1,612 | 250 Direct | — | Acquired | -26.7% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 1, 2025 | NEPH | Stock Option (right to buy) | Common Stock (7,050) | $1.47 | Jan. 1, 2035 | 7,050 | Acquired |
| May 14, 2024 | NEPH | Stock Option (right to buy) | Common Stock (7,323) | $2.14 | May 14, 2034 | 7,323 | Acquired |
| Jan. 5, 2023 | NEPH | Stock Option (right to buy) | Common Stock (7,080) | $1.07 | Jan. 5, 2033 | 7,080 | Acquired |
| Jan. 6, 2021 | NEPH | Stock Option (right to buy) | Common Stock (6,850) | $8.06 | Jan. 6, 2031 | 6,850 | Acquired |
| Dec. 16, 2019 | NEPH | Stock Option (right to buy) | Common Stock (5,568) | $8.57 | Dec. 16, 2029 | 5,568 | Acquired |
| Feb. 8, 2019 | NEPH | Stock Option (right to buy) | Common Stock (86,546) | $0.58 | Feb. 8, 2029 | 86,546 | Acquired |
| Feb. 8, 2019 | NEPH | Stock Option (right to buy) | Common Stock (70,817) | $0.58 | Feb. 8, 2029 | 70,817 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.