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Nephros Inc. (NEPH)

Nephros Inc. (NEPH) Insider Trading

Directors, officers and holders of more than 10% of NEPH report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 26 most recent of 26 transactions on file: 0 with code P, 0 with code S and 26 with other codes.

DateInsiderCodeShares
Sep 14, 2026WEXFORD CAPITAL LPJ Other3,355,111
Sep 14, 2026WEXFORD CAPITAL LPJ Other22,710
Sep 14, 2026Amron Arthur HJ Other17,749
Sep 14, 2026Amron Arthur HJ Other2,836
Sep 14, 2026Amron Arthur HJ Other22,710
Aug 18, 2026WEXFORD CAPITAL LPM Exercise812
Aug 18, 2026WEXFORD CAPITAL LPM Exercise3,765
Aug 12, 2026Amron Arthur HA Award2,418
May 11, 2026Amron Arthur HA Award3,574
Mar 23, 2026Banks Robert R. Jr.M Exercise120,000
Mar 23, 2026Banks Robert R. Jr.M Exercise120,000
Mar 23, 2026Krandel JudyM Exercise68,861
Mar 23, 2026Krandel JudyM Exercise68,861
Mar 16, 2026Krandel JudyA Award4,000
Mar 16, 2026Amron Arthur HA Award3,610
Nov 10, 2025Nettis Lisa MarieA Award1,622
Nov 10, 2025Spandow Oliver J.A Award8,036
Nov 10, 2025Amron Arthur HA Award5,391
Aug 11, 2025Nettis Lisa MarieA Award13,229
Mar 27, 2025Krandel JudyA Award54,359
Jan 1, 2025Amron Arthur HA Award7,050
Jan 1, 2025Harris Joseph MichaelA Award7,050
Jan 1, 2025Spandow Oliver J.A Award33,241
Jan 1, 2025Spandow Oliver J.A Award7,050
Jan 1, 2025Lask AlisaA Award7,050
Jan 1, 2025Amron Arthur HA Award22,418

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.