Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 14 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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 24, 2004 NEPH C 729,672 · · 0 Indirect -100.00% Disposed (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 571,178 · · 0 Indirect -100.00% Disposed (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 948,244 · · 0 Indirect -100.00% Disposed (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 150,000 · · 0 Indirect -100.00% Disposed (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 410,250 · · 0 Indirect -100.00% Disposed (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 1,866,666 · · 0 Indirect -100.00% Disposed (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 200,000 · · 0 Indirect -100.00% Disposed (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 319,095 · · 1,928,725 Indirect +19.82% Acquired (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 253,547 · · 1,609,630 Indirect +18.70% Acquired (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 426,370 · · 1,356,083 Indirect +45.86% Acquired (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 50,204 · · 929,713 Indirect +5.71% Acquired (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 146,459 · · 879,509 Indirect +19.98% Acquired (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 676,230 · · 733,050 Indirect +1190.13% Acquired (price as of 2026-10-06)
Sept. 24, 2004 NEPH C 56,820 · · 56,820 Indirect · Acquired (price as of 2026-10-06)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Sept. 24, 2004 NEPH Series D Convertible Preferred Stock Common Stock (319,095) · · 729,672 Disposed
Sept. 24, 2004 NEPH Series D Convertible Preferred Stock Common Stock (253,547) · · 571,178 Disposed
Sept. 24, 2004 NEPH Series D Convertible Preferred Stock Common Stock (426,370) · · 948,244 Disposed
Sept. 24, 2004 NEPH Series C Convertible Preferred Stock Common Stock (50,204) · · 150,000 Disposed
Sept. 24, 2004 NEPH Series C Convertible Preferred Stock Common Stock (146,459) · · 410,250 Disposed
Sept. 24, 2004 NEPH Series B Convertible Preferred Stock Common Stock (676,230) · · 1,866,666 Disposed
Sept. 24, 2004 NEPH Series A Convertible Preferred Stock Common Stock (56,820) · · 200,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 7 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Sept. 28, 2004 NEPH Series A Convertible Preferred Stock→ Common Stock (56,820) 56,820 Indirect
Sept. 28, 2004 NEPH Series B Convertible Preferred Stock→ Common Stock (676,230) 676,230 Indirect
Sept. 28, 2004 NEPH Series C Convertible Preferred Stock→ Common Stock (146,459) 146,459 Indirect
Sept. 28, 2004 NEPH Series C Convertible Preferred Stock→ Common Stock (50,204) 50,204 Indirect
Sept. 28, 2004 NEPH Series D Convertible Preferred Stock→ Common Stock (426,370) 426,370 Indirect
Sept. 28, 2004 NEPH Series D Convertible Preferred Stock→ Common Stock (253,547) 253,547 Indirect
Sept. 28, 2004 NEPH Series D Convertible Preferred Stock→ Common Stock (319,095) 319,095 Indirect