NOCOPI TECHNOLOGIES INC/MD/ Insider Trading Activity
Every SEC Form 4 insider transaction reported for NOCOPI TECHNOLOGIES INC/MD/ (NNUP), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are NNUP insiders buying or selling?
In the last 12 months, NOCOPI TECHNOLOGIES INC/MD/ insiders reported 4 open-market purchases ($63.6K) and 0 sales ($0) — net buying of $63.6K. Since February 2018, Trabud has recorded 40 Form 4 filings for NNUP: 33 buys ($4.4M) and 7 sells ($1.5M).
Source: SEC EDGAR Form 4
Key Statistics (February 2018 – Sep 11, 2026)
Total Form 4 filings
40
SEC EDGAR
Insider filers
11
Insider buys (33)
$4.4M
Insider sells (7)
$1.5M
Insider sentiment
Net buyingNet insider flow of $2.9M in net buying since February 2018, and $63.6K in net buying over the last 12 months. 3 insider buys in the last 90 days.
Recent NNUP insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Eric Sites | Director | Purchase | 1.5K | $1.83 | $2.8K | SEC ↗ |
| Sep 10, 2026 | Eric Sites | Director | Purchase | 1.0K | $1.90 | $1.9K | SEC ↗ |
| Aug 20, 2026 | Matthew C. Winger | Chief Executive Officer | Purchase | 5.2K | $1.71 | $8.9K | SEC ↗ |
| Jan 5, 2026 | Kevin Camerer Westenburg | President | Purchase | 33.3K | $1.50 | $50.0K | SEC ↗ |
| Aug 28, 2025 | Kevin Camerer Westenburg | President | Purchase | 10.5K | $1.62 | $17.0K | SEC ↗ |
| Aug 21, 2025 | Kevin Camerer Westenburg | President | Purchase | 7.5K | $1.60 | $12.0K | SEC ↗ |
| Jun 11, 2025 | STEINBERG JOSEPH S | 10% Owner | Purchase | 195.9K | $1.10 | $215.4K | SEC ↗ |
| Jun 11, 2025 | Matthew C. Winger | Chief Executive Officer | Purchase | 101.4K | $1.10 | $111.6K | SEC ↗ |
| Jun 11, 2025 | Phillip Frost MD ET AL | 10% Owner | Purchase | 195.9K | $1.10 | $215.4K | SEC ↗ |
| Jul 1, 2024 | Liebowitz Michael | Chief Executive Officer | Purchase | 2.5K | $2.94 | $7.3K | SEC ↗ |
| May 28, 2024 | Matthew C. Winger | EVP - Corporate Development | Purchase | 7.5K | $2.92 | $21.9K | SEC ↗ |
| Aug 29, 2023 | Matthew C. Winger | EVP - Corporate Development | Purchase | 5.0K | $3.24 | $16.2K | SEC ↗ |
| Aug 24, 2023 | Jacqueline Joy Goldman | Director | Purchase | 3.0K | $3.09 | $9.3K | SEC ↗ |
| Aug 22, 2023 | Liebowitz Michael | Chief Executive Officer | Purchase | 2.0K | $3.24 | $6.5K | SEC ↗ |
| Sep 15, 2022 | Liebowitz Michael | 10% Owner | Purchase | 1.3M | $1.40 | $1.8M | SEC ↗ |
| Jun 10, 2022 | Liebowitz Michael | 10% Owner | Purchase | 43.5K | $0.17 | $7.4K | SEC ↗ |
| Jun 4, 2022 | Liebowitz Michael | 10% Owner | Purchase | 146.0K | $0.17 | $24.2K | SEC ↗ |
| May 26, 2022 | Liebowitz Michael | 10% Owner | Purchase | 9.2M | $0.17 | $1.5M | SEC ↗ |
| May 26, 2022 | Matthew C. Winger | Director | Purchase | 25.0K | $0.15 | $3.8K | SEC ↗ |
| May 24, 2022 | Howard Timothy Eriksen | 10% Owner | Sale | 8.1M | $0.17 | $1.3M | SEC ↗ |
| May 14, 2022 | Matthew C. Winger | Other | Purchase | 25.0K | $0.16 | $4.0K | SEC ↗ |
| May 14, 2022 | Liebowitz Michael | 10% Owner | Purchase | 270.5K | $0.16 | $43.3K | SEC ↗ |
| May 10, 2022 | Howard Timothy Eriksen | 10% Owner | Purchase | 98.0K | $0.15 | $14.7K | SEC ↗ |
| Apr 29, 2022 | Howard Timothy Eriksen | 10% Owner | Purchase | 225.0K | $0.16 | $35.5K | SEC ↗ |
| Apr 21, 2022 | Howard Timothy Eriksen | 10% Owner | Purchase | 40.4K | $0.16 | $6.5K | SEC ↗ |
Showing the 25 most recent of 40 Form 4 filings for NOCOPI TECHNOLOGIES INC/MD/.
Most active NNUP insiders
- Liebowitz Michael9 filings
- Howard Timothy Eriksen8 filings
- Matthew C. Winger8 filings
- Michael Feinstein5 filings
- Kevin Camerer Westenburg3 filings
Ask anything about NNUP insider activity
Use Trabud's AI agent to query NOCOPI TECHNOLOGIES INC/MD/'s Form 4 history in plain English — "Show me NNUP CEO purchases this year" or compare it against any other ticker.
Open the AI agentNNUP insider trading FAQ
Are NOCOPI TECHNOLOGIES INC/MD/ insiders buying or selling?
In the last 12 months, NOCOPI TECHNOLOGIES INC/MD/ insiders reported 4 open-market purchases ($63.6K) and 0 sales ($0) — net buying of $63.6K. Since February 2018, Trabud has recorded 40 Form 4 filings for NNUP: 33 buys ($4.4M) and 7 sells ($1.5M). Over the full record that is net buying of $2.9M.
How many insiders trade NNUP stock?
11 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for NOCOPI TECHNOLOGIES INC/MD/. The most recent filing was accepted on Sep 11, 2026.
Where does Trabud get NNUP insider trading data?
All NNUP insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.