William J Fox
CIK 1137909 · View on SEC EDGAR ↗
First SEC filing: Sept. 24, 2004 · Latest: Sept. 24, 2004
On this page
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 2, 2006 | NEPH | A | 450,000 | — | — | 450,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 2, 2006 | NEPH | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
| April 27, 2005 | NEPH | A | 5,000 | — | — | 5,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Dec. 14, 2004 | NEPH | A | 7,000 | — | — | 7,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Nov. 11, 2004 | NEPH | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 2, 2006 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value (450,000) | $1.36 | Aug. 2, 2016 | 450,000 | Acquired |
| Feb. 2, 2006 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value (10,000) | $2.57 | Feb. 2, 2016 | 10,000 | Acquired |
| April 27, 2005 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value (5,000) | $3.40 | April 27, 2015 | 5,000 | Acquired |
| Dec. 14, 2004 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value (7,000) | $4.80 | Dec. 14, 2014 | 7,000 | Acquired |
| Nov. 11, 2004 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value (10,000) | $5.45 | Nov. 11, 2014 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 24, 2004 | NEPH | Common Stock | 69,171 | Direct |