JOSEPH S. STEINBERG - 06 Jun 2025 Form 4 Insider Report for NOCOPI TECHNOLOGIES INC/MD/ (NNUP)

Role: 10%+ Owner
Signature: /s/ Joseph S. Steinberg
Issuer symbol: NNUP
Transactions as of: 06 Jun 2025
Net transactions value: +$215,436
Form type: 4
Filing time: 10 Jun 2025, 21:11:51 UTC
Previous filing: 02 May 2025
Next filing: 24 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
STEINBERG JOSEPH S	10%+ Owner	C/O JEFFERIES FINANCIAL GROUP INC., 520 MADISON AVENUE, NEW YORK	/s/ Joseph S. Steinberg	10 Jun 2025	0000924255

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NNUP	Common Stock	Purchase	$215,436	+195,851	+16%	$1.10	1,445,851	06 Jun 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.