NNUP insider buying
4 cluster buysNOCOPI TECHNOLOGIES INC/MD/
When two or more insiders at NOCOPI TECHNOLOGIES INC/MD/ buy NNUP on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in NNUP plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Aug 18 – Sep 11, 2026Detected Sep 11, 2026High conviction2 insidersTotal bought$13.6KMarket capUnknown
- Aug 18 – Sep 9, 2026Detected Sep 10, 2026High conviction2 insidersTotal bought$10.8KMarket capUnknown
- Jun 6 – Jun 6, 2025Detected Jun 6, 2025High conviction3 insidersTotal bought$542.4KMarket capUnknown
1 more cluster in NNUP
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All notable open-market buys in NNUP
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Sep 11, 2026 | Sites Ericcluster Director | 500 | $1.80 | $900.0 | SEC ↗ |
| Sep 10, 2026 | Sites Ericcluster Director | 1,000 | $1.85 | $1.9K | SEC ↗ |
| Sep 9, 2026 | Sites Ericcluster Director | 1,000 | $1.90 | $1.9K | SEC ↗ |
| Aug 19, 2026 | Winger Matthew C.cluster Director, Chief Executive Officer | 200 | $1.80 | $360.0 | SEC ↗ |
| Aug 18, 2026 | Winger Matthew C.cluster Director, Chief Executive Officer | 5,000 | $1.71 | $8.6K | SEC ↗ |
| Dec 29, 2025 | Director, President | 33,333 | $1.50 | $50.0K | SEC ↗ |
| Aug 28, 2025 | Director, President | 4,000 | $1.65 | $6.6K | SEC ↗ |
| Aug 27, 2025 | Director, President | 1,500 | $1.63 | $2.4K | SEC ↗ |
| Aug 26, 2025 | Director, President | 5,000 | $1.60 | $8.0K | SEC ↗ |
| Aug 20, 2025 | Director, President | 2,500 | $1.60 | $4.0K | SEC ↗ |
| Aug 19, 2025 | Director, President | 5,000 | $1.60 | $8.0K | SEC ↗ |
| Jun 6, 2025 | FROST PHILLIP MD ET ALcluster 10% Owner | 195,852 | $1.10 | $215.4K | SEC ↗ |
| Jun 6, 2025 | STEINBERG JOSEPH Scluster 10% Owner | 195,851 | $1.10 | $215.4K | SEC ↗ |
| Jun 6, 2025 | Winger Matthew C.cluster Director, Chief Executive Officer | 101,416 | $1.10 | $111.6K | SEC ↗ |
| Jun 28, 2024 | Liebowitz Michaelcluster Director, Chief Executive Officer, 10% Owner | 2,500 | $2.94 | $7.4K | SEC ↗ |
| May 23, 2024 | Winger Matthew C.cluster EVP - Corporate Development | 7,500 | $2.92 | $21.9K | SEC ↗ |
NNUP insider buying — FAQ
- Are insiders buying NNUP stock?
- Yes — 7 distinct insiders have bought NNUP (NOCOPI TECHNOLOGIES INC/MD/) on the open market, including 4 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Sep 11, 2026.
- How much NNUP stock have insiders bought?
- Insiders have bought a combined $664.3K of NNUP across 16 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in NNUP?
- A cluster buy is two or more distinct NOCOPI TECHNOLOGIES INC/MD/ insiders — officers, directors, or 10% owners — each buying NNUP on the open market within a rolling window. NNUP has 4 detected cluster buys to date.
- Where does this NNUP insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in NNUP
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy NNUP within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding NNUP.