Malcolm C Persen
Insider
First SEC filing: Jan. 8, 2021 · Latest: Jan. 8, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 6, 2021 | NEPH | A | 6,850 | · | · | 6,850 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 6, 2021 | NEPH | A | 5,921 | · | · | 48,774 Direct | +13.82% | Acquired | (price as of 2026-10-02) |
| May 11, 2020 | NEPH | X | 1,732 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2020 | NEPH | X | 1,732 | $7.65 | $13,250 | 5,194 Indirect | +50.03% | Acquired | -52.0% (price as of 2026-10-02) |
| Dec. 16, 2019 | NEPH | A | 5,568 | · | · | 5,568 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2019 | NEPH | A | 5,437 | · | · | 42,853 Direct | +14.53% | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2018 | NEPH | A | 46,457 | · | · | 46,457 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2018 | NEPH | A | 71,509 | · | · | 336,750 Direct | +26.96% | Acquired | (price as of 2026-10-02) |
| Dec. 20, 2017 | NEPH | A | 40,284 | · | · | 40,284 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 20, 2017 | NEPH | A | 113,636 | · | · | 265,241 Direct | +74.96% | Acquired | (price as of 2026-10-02) |
| Aug. 24, 2016 | NEPH | A | 33,880 | · | · | 33,880 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 24, 2016 | NEPH | A | 113,636 | · | · | 151,605 Direct | +299.29% | Acquired | (price as of 2026-10-02) |
| Sept. 9, 2015 | NEPH | A | 16,951 | · | · | 16,951 Direct | · | Acquired | (price as of 2026-10-02) |
| May 12, 2015 | NEPH | P | 15,580 | · | · | 15,580 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 12, 2015 | NEPH | P | 31,160 | · | · | 31,160 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 7, 2015 | NEPH | A | 56,981 | · | · | 56,981 Direct | · | Acquired | (price as of 2026-10-02) |
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. 6, 2021 | NEPH | Stock Option (Right to Buy) | Common Stock | $8.06 | Jan. 6, 2031 | 6,850 | Acquired |
| May 11, 2020 | NEPH | Warrants (right to buy) | Common Stock | $7.65 | May 18, 2020 | 1,732 | Disposed |
| Dec. 16, 2019 | NEPH | Stock Option (Right to Buy) | Common Stock | $8.57 | Dec. 16, 2029 | 5,568 | Acquired |
| Dec. 19, 2018 | NEPH | Stock Option (Right to Buy) | Common Stock | $0.65 | Dec. 19, 2028 | 46,457 | Acquired |
| Dec. 20, 2017 | NEPH | Stock Option (Right to Buy) | Common Stock | $0.50 | Dec. 20, 2027 | 40,284 | Acquired |
| Aug. 24, 2016 | NEPH | Stock Option (Right to Buy) | Common Stock | $0.40 | Aug. 24, 2026 | 33,880 | Acquired |
| May 12, 2015 | NEPH | Warrants (right to buy) | Common Stock | $0.85 | May 18, 2020 | 15,580 | Acquired |
| May 7, 2015 | NEPH | Stock Option (Right to Buy) | Common Stock | $0.79 | May 7, 2025 | 56,981 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).