Oliver Spandow Power - 10 Nov 2025 Form 4 Insider Report for NEPHROS INC (NEPH)

Reporting relationship: Director
Issuer ticker: NEPH
Reported as of: 10 Nov 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 Nov 2025, 16:59:35 UTC
Prior SEC filing: 03 Jan 2025
Source filing: View source filing
Reporting owner signature: /s/ Christopher Melsha as attorney-in-fact for Oliver Spandow pursuant to power of attorney previously filed.

Key filing fact

Oliver Spandow Power filed Form 4 for NEPHROS INC (NEPH) on 13 Nov 2025.

Key facts

This page summarizes Oliver Spandow Power's Form 4 filing for NEPHROS INC (NEPH).
1 reported transaction and 8 derivative rows are listed below.
Accepted by SEC: 13 Nov 2025, 16:59.

Change

Previous filing in this sequence was filed on 03 Jan 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001749836 Primary reporting owner

Spandow Oliver J.

Relationship: Director
Address: C/O NEPHROS, INC., 380 LACKAWANNA PLACE, SOUTH ORANGE
Signature: /s/ Christopher Melsha as attorney-in-fact for Oliver Spandow pursuant to power of attorney previously filed.
Signature date: 13 Nov 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NEPH transaction

Common Stock

Award

Transaction value: $0
Shares: +8,036
Change %: +7%
Price: $0.000000
Shares after: 122,881
Date: 10 Nov 2025
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NEPH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 9,466
Date: 10 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,466
Exercise price: $5.58
Footnotes: F1

NEPH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,161
Date: 10 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,161
Exercise price: $5.85
Footnotes: F1

NEPH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,568
Date: 10 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,568
Exercise price: $8.57
Footnotes: F1

NEPH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 6,850
Date: 10 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 6,850
Exercise price: $8.06
Footnotes: F1

NEPH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,062
Date: 10 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,062
Exercise price: $6.82
Footnotes: F1

NEPH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,080
Date: 10 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,080
Exercise price: $1.07
Footnotes: F1

NEPH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,323
Date: 10 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,323
Exercise price: $2.14
Footnotes: F2

NEPH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,050
Date: 10 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,050
Exercise price: $1.47
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Fully exercisable.

Footnote F2

This option vests as to 2,441 shares on each of 5/14/24, 5/14/25 and 5/14/26.

Footnote F3

This option vests as to 2,350 shares on each of 1/1/25, 1/1/26 and 1/1/27.

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