WINGER MATTHEW C. purchased 2.1% of their position (5.20K shares) of NOCOPI TECHNOLOGIES INC/MD/ on the open market
Open‑market purchase worth $8.9K — a small addition. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 8/20/2026ACC: 0001079973-26-001167
+5.20K
Net shares
Net buyer
$8.9K
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
5.20K acquired
Non-Derivative Transactions2
Common Stock
Direct
Shares
+5K
Price / share
$1.71
Trade value
$8.55K
% of position
2.0%
8/18/2026
245.92K→250.92K
Common Stock
Direct
Shares
+200.00
Price / share
$1.80
Trade value
$360.00
% of position
0.1%
8/19/2026
250.92K→251.12K
Total
Net shares
+5.20K
Net value
$8.91K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/18/2026 | P · Purchase | +5K | $1.71 | $8.55K | 2.0% | 245.92K | 250.92K |
| Common Stock Direct | 8/19/2026 | P · Purchase | +200.00 | $1.80 | $360.00 | 0.1% | 250.92K | 251.12K |
| Total | +5.20K | $8.91K | ||||||
Derivative Transactions0
No derivative transactions reported