Lawrence J Centella
CIK 1304341 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 24, 2004 · Latest: Sept. 24, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 16 non-open-market transactions below
last 12 months, based on the transactions shown below
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 9, 2015 | NEPH | A | 97,135 | — | — | 218,467 Direct | +80.06% | Acquired | (price as of 2026-08-19) |
| Dec. 18, 2014 | NEPH | J | 10,202 | $0.60 | $6,121 | 121,332 Direct | +9.18% | Acquired | -13.9% (price as of 2026-08-19) |
| Nov. 6, 2014 | NEPH | A | 25,395 | — | — | 111,130 Direct | +29.62% | Acquired | (price as of 2026-08-19) |
| March 26, 2014 | NEPH | A | 26,598 | — | — | 26,598 Direct | — | Acquired | (price as of 2026-08-19) |
| March 21, 2014 | NEPH | J | 19,105 | $0.30 | $5,732 | 85,735 Direct | +28.67% | Acquired | 72.2% (price as of 2026-08-19) |
| Dec. 31, 2013 | NEPH | A | 19,733 | — | — | 66,630 Direct | +42.08% | Acquired | (price as of 2026-08-19) |
| Aug. 20, 2013 | NEPH | A | 5,417 | — | — | 46,897 Direct | +13.06% | Acquired | (price as of 2026-08-19) |
| May 23, 2013 | NEPH | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 23, 2013 | NEPH | A | 23,346 | — | — | 41,480 Direct | +128.74% | Acquired | (price as of 2026-08-19) |
| Feb. 16, 2012 | NEPH | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
| March 24, 2011 | NEPH | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Jan. 8, 2010 | NEPH | A | 20,000 | — | — | 20,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 22, 2007 | NEPH | A | 10,000 | — | — | 10,000 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 26, 2005 | NEPH | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Dec. 14, 2004 | NEPH | A | 5,000 | — | — | 5,000 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 |
|---|---|---|---|---|---|---|---|
| March 26, 2014 | NEPH | Non-Qualified Stock Option (right to buy) | Common Stock (26,598) | $0.46 | March 26, 2024 | 26,598 | Acquired |
| May 23, 2013 | NEPH | Non-Qualified Stock Option (right to buy) | Common Stock (10,000) | $0.71 | May 23, 2023 | 10,000 | Acquired |
| Feb. 16, 2012 | NEPH | Non-Qualified Stock Option (right to buy) | Common Stock (10,000) | $0.83 | Feb. 16, 2022 | 10,000 | Acquired |
| March 24, 2011 | NEPH | Non-qualified stock option (right to buy) | Common Stock (60,000) | $0.51 | March 24, 2021 | 60,000 | Acquired |
| Jan. 8, 2010 | NEPH | Non-qualified stock option (right to buy) | Common Stock (20,000) | $0.95 | Jan. 8, 2020 | 20,000 | Acquired |
| May 22, 2007 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value (10,000) | $1.34 | May 22, 2017 | 10,000 | 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 26, 2005 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value (10,000) | $3.70 | April 26, 2015 | 10,000 | Acquired |
| Dec. 14, 2004 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value (5,000) | $4.80 | Dec. 14, 2014 | 5,000 | 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 | 28,410 | Direct |