Howard Alan Davis

Insider

First SEC filing: Sept. 30, 2004 · Latest: Sept. 30, 2004

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Insider at

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.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 22, 2007	NEPH	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 2, 2006	NEPH	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
April 27, 2005	NEPH	A	5,000	—	—	5,000 Direct	—	Acquired	(price as of 2026-08-20)
March 24, 2005	NEPH	J	35,508	—	—	35,508 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 11, 2004	NEPH	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
July 10, 2003	IDN	A	84,000	—	—	84,000 Direct	—	Acquired	(price as of 2026-08-20)
July 15, 2002	IDN	A	4,000	—	—	4,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 5, 2001	IDN	A	3,800	—	—	3,800 Direct	—	Acquired	(price as of 2026-08-20)
July 11, 2001	IDN	A	19,000	—	—	19,000 Direct	—	Acquired	(price as of 2026-08-20)
July 13, 2000	IDN	A	4,000	—	—	4,000 Direct	—	Acquired	(price as of 2026-08-20)
July 13, 2000	IDN	A	14,800	—	—	14,800 Direct	—	Acquired	(price as of 2026-08-20)
May 8, 2000	IDN	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2000	IDN	A	1,500	—	—	1,500 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 13, 1999	IDN	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/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).

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

Date	Ticker	Security	Shares	Ownership
Sept. 30, 2004	NEPH	No securities beneficially owned	0	Direct