(NNUP)

Reporting relationship: 10%+ Owner
Issuer ticker: NNUP
Reported as of: 06 Jun 2025
Net transaction value: +$215,436
SEC form: 4
Accepted by SEC: 10 Jun 2025, 21:11:51 UTC
Prior SEC filing: 02 May 2025
Next SEC filing: 24 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Joseph S. Steinberg

Key filing fact

Joseph S. Steinberg filed Form 4 for NOCOPI TECHNOLOGIES INC/MD/ (NNUP) on 10 Jun 2025.

Key facts

This page summarizes Joseph S. Steinberg's Form 4 filing for NOCOPI TECHNOLOGIES INC/MD/ (NNUP).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Jun 2025, 21:11.

Change

Previous filing in this sequence was filed on 02 May 2025.
Current net transaction value: +$215,436.

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 0000924255 Primary reporting owner

STEINBERG JOSEPH S

Relationship: 10%+ Owner
Address: C/O JEFFERIES FINANCIAL GROUP INC., 520 MADISON AVENUE, NEW YORK
Signature: /s/ Joseph S. Steinberg
Signature date: 10 Jun 2025

Reported non-derivative transactions

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

NNUP transaction

Common Stock

Purchase

Transaction value: $215,436
Shares: +195,851
Change %: +16%
Price: $1.10
Shares after: 1,445,851
Date: 06 Jun 2025
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

These securities were acquired by the Reporting Person from a non-affiliate shareholder of Nocopi Technologies, Inc. in a private secondary transaction exempt from the registration requirements of the Securities Act of 1933, as amended.