Nephros (NEPH)

13F shares	Current	Prev Q	Change
Total value	884.57 bn	1.24 tn	-28.6%
Total shares	64.66 mm	64.84 mm	-0.3%
Total puts	2.60 k	900.00	+188.9%
Total calls	3.10 k	4.10 k	-24.4%
Total put/call ratio	0.8	0.2	+282.1%

Largest owners	Shares	Value	Change
ATEYY Advantest	33.07 mm	$802.59 mm	0.0%
BlackRock	4.66 mm	$150.88 bn	-1.1%
Vanguard	2.93 mm	$94.91 bn	+13.7%
Kibarian John Kachig	2.51 mm	$0.00	0.0%
IVZ Invesco	2.44 mm	$79.12 bn	-25.4%
Kimon Michaels	1.62 mm	$13.62 mm	0.0%
Snyder Capital Management L P	1.17 mm	$37.84 bn	-2.2%
Wasatch Advisors	1.15 mm	$37.11 bn	+8.1%
Samjo Capital	1.10 mm	$35.68 bn	+102.1%
STT State Street	1.05 mm	$34.06 bn	+3.0%

Largest transactions	Shares	Bought/sold	Change
Cowen Prime Advisors	0.00	-940.18 k	EXIT
IVZ Invesco	2.44 mm	-832.48 k	-25.4%
Samjo Capital	1.10 mm	+556.23 k	+102.1%
Vanguard	2.93 mm	+353.24 k	+13.7%
Arrowstreet Capital, Limited Partnership	66.45 k	-265.91 k	-80.0%
Thrivent Financial For Lutherans	233.14 k	+204.54 k	+715.0%
Ranger Investment Management	516.26 k	+193.32 k	+59.9%
ArrowMark Colorado	0.00	-171.00 k	EXIT
William Blair Investment Management	555.90 k	-141.32 k	-20.3%
Silvercrest Asset Management	194.08 k	+124.51 k	+179.0%

Data from 13F filings, for the last complete 13F reporting period. For most recent data, click the ownership history button. Values as filed, not updated for current price. Long positions only.

Recent insider trades

NEPH insider ownership history Insider history

Date	Owner	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
10 Nov 25	Oliver J. Spandow	Common Stock	Grant	Acquire A	No	No	0	8,036	0.00	122,881
10 Nov 25	Amron Arthur H	Common Stock	Grant	Acquire A	No	No	0	5,391	0.00	131,272
10 Nov 25	Lisa Marie Nettis	Common Stock	Grant	Acquire A	No	No	0	1,622	0.00	1,622
11 Aug 25	Lisa Marie Nettis	Stock Option Common Stock	Grant	Acquire A	No	No	4.49	13,229	59.40 k	13,229

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.

News

From Benzinga Pro

12 Industrials Stocks Moving In Friday's Intraday Session

28 Nov 25

Nephros and Medica Sign New Exclusive License And Supply Agreement; Company Has Agreed To Make Minimum Annual Aggregate Purchases From Medica Of €4,976,000, €5,349,000, €5,750,000, €6,000,000 And €6,300,000 For The Years 2026, 2027, 2028, 2029 And 2030, Respectively

26 Nov 25

On November 21, 2025, Nephros, Inc. (the "Company") entered into a license and supply agreement (the "License and Supply Agreement") with Medica S.p.A. ("Medica"), an Italy-based medical product manufacturing company,

12 Industrials Stocks Moving In Monday's Intraday Session

17 Nov 25

Earnings Scheduled For November 6, 2025

6 Nov 25