Were Matthew C. Winger’s NNUP share purchases under a Rule 10b5-1 plan?

No. The Form 4 for NNUP indicates the Rule 10b5-1 checkbox is marked false, so Matthew C. Winger’s August 2026 purchases were not reported as being made under a Rule 10b5-1 trading plan.

Does the Form 4 show any NNUP share sales by Matthew C. Winger?

No. The Form 4 for NNUP shows two purchase transactions totaling 5,200 shares and no reported sales, gifts, or derivative exercises for Matthew C. Winger in this filing.

Nocopi Technologies (NNUP) CEO adds shares outside 10b5-1 plan

Q: How many NNUP shares did Matthew C. Winger buy and at what prices?

Matthew C. Winger bought 5,000 NNUP shares at $1.71 per share on August 18, 2026 and 200 shares at $1.80 per share on August 19, 2026, all as common stock purchased in open-market or private transactions.

Q: What type of security did Matthew C. Winger acquire in NNUP?

Matthew C. Winger acquired Common Stock of NOCOPI TECHNOLOGIES INC (NNUP), as reported on the Form 4. Both reported transactions involve non-derivative common shares purchased in open-market or private transactions.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

NOCOPI TECHNOLOGIES INC (NNUP) reported that Chief Executive Officer and director Matthew C. Winger purchased additional common stock in two open-market transactions. He bought 5,000 shares at $1.71 per share on August 18, 2026 and 200 shares at $1.80 per share on August 19, 2026, all held directly. These purchases were not reported as made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Buyer: 5,200 shares

Net Buy 2 txns

Insider Winger Matthew C.

Role Chief Executive Officer

Bought 5,200 shs ($9K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	200	$1.80	$360.00
Purchase	Common Stock	5,000	$1.71	$9K

Holdings After Transaction: Common Stock — 251,116 shares (Direct)

Key Figures

Shares purchased August 18, 2026: 5,000 shares of Common Stock Purchase price August 18, 2026: $1.71 per share Shares purchased August 19, 2026: 200 shares of Common Stock +2 more

5 metrics

Shares purchased August 18, 2026 5,000 shares of Common Stock Non-derivative open-market or private purchase by CEO Matthew C. Winger

Purchase price August 18, 2026 $1.71 per share Price paid for 5,000 NNUP common shares

Shares purchased August 19, 2026 200 shares of Common Stock Non-derivative open-market or private purchase by CEO Matthew C. Winger

Purchase price August 19, 2026 $1.80 per share Price paid for 200 NNUP common shares

Total shares purchased in filing 5,200 shares Aggregate common shares bought across both reported transactions

Key Terms

Form 4, Rule 10b5-1 trading plan, non-derivative, open market or private transaction

4 terms

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Rule 10b5-1 trading plan regulatory

"aff_10b5_one is the filing's document-level Rule 10b5-1 checkbox"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

non-derivative financial

""transaction_type": "non-derivative""

open market or private transaction financial

""transaction_code_description": "Purchase in open market or private transaction""

FAQ

What insider transaction did NNUP report for Matthew C. Winger?

NNUP reported that Chief Executive Officer Matthew C. Winger purchased 5,200 shares of NOCOPI TECHNOLOGIES INC common stock in two open-market transactions on August 18 and 19, 2026, increasing his directly held position.

How many NNUP shares did Matthew C. Winger buy and at what prices?

Matthew C. Winger bought 5,000 NNUP shares at $1.71 per share on August 18, 2026 and 200 shares at $1.80 per share on August 19, 2026, all as common stock purchased in open-market or private transactions.

What type of security did Matthew C. Winger acquire in NNUP?

Matthew C. Winger acquired Common Stock of NOCOPI TECHNOLOGIES INC (NNUP), as reported on the Form 4. Both reported transactions involve non-derivative common shares purchased in open-market or private transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/20/2026 - 06:21 PM Accepted by SEC EDGAR 08/20/2026 - 06:21 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Winger Matthew C.

(Last)

(First)

(Middle)

480 SHOEMAKER ROAD

SUITE 104

(Street)

KING OF PRUSSIA

PENNSYLVANIA

19406

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
NOCOPI TECHNOLOGIES INC/MD/ [ NNUP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/18/2026		P		5,000	A	$1.71	250,916	D
Common Stock	08/19/2026		P		200	A	$1.8	251,116	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

	/s/ Matthew Winger	08/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR