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
May 22, 2007 NEPH A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-05)
Feb. 2, 2006 NEPH A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-05)
April 27, 2005 NEPH A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)
March 24, 2005 NEPH J 35,508 · · 35,508 Direct · Acquired (price as of 2026-10-05)
Nov. 11, 2004 NEPH A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-05)
July 10, 2003 IDN A 84,000 · · 84,000 Direct · Acquired (price as of 2026-10-05)
July 15, 2002 IDN A 4,000 · · 4,000 Direct · Acquired (price as of 2026-10-05)
Oct. 5, 2001 IDN A 3,800 · · 3,800 Direct · Acquired (price as of 2026-10-05)
July 11, 2001 IDN A 19,000 · · 19,000 Direct · Acquired (price as of 2026-10-05)
July 13, 2000 IDN A 4,000 · · 4,000 Direct · Acquired (price as of 2026-10-05)
July 13, 2000 IDN A 14,800 · · 14,800 Direct · Acquired (price as of 2026-10-05)
May 8, 2000 IDN A 2,500 · · 2,500 Direct · Acquired (price as of 2026-10-05)
March 13, 2000 IDN A 1,500 · · 1,500 Direct · Acquired (price as of 2026-10-05)
Dec. 13, 1999 IDN A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-05)

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
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 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
March 24, 2005 NEPH Warrant (right to buy) Common Stock $.001 par value (35,508) $7.50 Sept. 20, 2009 35,508 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
July 10, 2003 IDN Option (Right to Buy) Common Stock $8.22 Nov. 11, 2004 84,000 Acquired
July 15, 2002 IDN Option (Right to Buy) Common Stock (4,000) $2.80 Nov. 11, 2004 4,000 Acquired
Oct. 5, 2001 IDN Rights Common Stock (3,800) $8.50 June 30, 2004 3,800 Acquired
July 11, 2001 IDN Option (Right to Buy) Common Stock (19,000) $10.15 Nov. 11, 2004 19,000 Acquired
July 13, 2000 IDN Option (Right to Buy) Common Stock (4,000) $8.75 Nov. 11, 2004 4,000 Acquired
July 13, 2000 IDN Option (Right to Buy) Common Stock (14,800) $8.75 Nov. 11, 2004 14,800 Acquired
May 8, 2000 IDN Option (Right to Buy) Common Stock (2,500) $8.00 Nov. 11, 2004 2,500 Acquired
March 13, 2000 IDN Option (Right to Buy) Common Stock (1,500) $12.12 Nov. 11, 2004 1,500 Acquired
Dec. 13, 1999 IDN Option (Right to Buy) Common Stock (15,000) $11.62 Nov. 11, 2004 15,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Sept. 30, 2004 NEPH No securities beneficially owned 0 Direct