Latest filingSep 10, 2026Most recent Form 4
NNUP
NOCOPI TECHNOLOGIES INC/MD/
OTCIndustrialsGames, Toys & Children's Vehicles (No Dolls & Bicycles)
Insider activity for last month from 08/10 to 09/10. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$1.08M3 buys
Total selling$00 sells
Net open-market+$1.08M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period3transactions
- P · Open-market buys · dominant3 · 100%
Activity by reported role
A joint filing can contribute to multiple roles3transactions
- Chief executive officer · dominant2 · 67%
- Director1 · 33%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeWinger Matthew C.Common Stock · Direct
251,116Aug 19, 2026
Sites EricCommon Stock · Direct
1,000Sep 09, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 10 → Sep 10
LessMore
Top insiders
By absolute net value across the selected period- WC+$8.9k
- SE+$1.9k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
NNUP transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| NNUP | Sites Eric | DIR | buy | 1.00k | $190k | P | — | — | 09/10 | 09/09 |
| NNUP | Winger Matthew C. | CEO | buy | 200 | $36.0k | P | — | 08/20 | 08/19 | |
| NNUP | Winger Matthew C. | CEO | buy | 5.00k | $855k | P | — | 08/20 | 08/18 |
NOCOPI TECHNOLOGIES INC/MD/ Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at NOCOPI TECHNOLOGIES INC/MD/?
Sites Eric, Winger Matthew C..
When was the latest reported open-market purchase?
Sites Eric reported a buy on Sep 09, 2026 valued at $190k. Read the SEC filing.
When was the latest reported open-market sale?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
Net open-market buying in the selected period was $10,810.00. This describes filed transactions, not a bullish rating.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.