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buyWeak

Eric Sites bought $1,900 of NNUP

director at NOCOPI TECHNOLOGIES INC/MD/. 1,000 shares at an average of $1.90, traded Sep 9, 2026, filed Sep 9, 2026.

Conviction score
23
Value
$1,900
1,000 shares
Holdings after
1,000
change unknown
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $2k at market
    0
  • Relative to holdings
    First purchase: no shares before this trade
    +8
  • Price context
    No price history yet
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

NNUPOct 12, 2026 · close 1.74
Since filing Sep 9, 2026: -8.4%SPY +2.3% · excess -10.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001079973-26-001237, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 9, 2026POpen-market purchase
Common Stock
+1,000$1.90$1,9001,00035 d ago

Related signals

Other insiders at NOCOPI TECHNOLOGIES INC/MD/ and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
30Weak
NNUPbuy
NOCOPI TECHNOLOGIES INC/MD/
Eric Sites
director
$2,750
1,500 shares
+150%
25Weak
NNUPbuy
NOCOPI TECHNOLOGIES INC/MD/
Matthew C. Winger
Chief Executive Officer
$8,910
5,200 shares
+2%
38Weak
NNUPbuy
NOCOPI TECHNOLOGIES INC/MD/
Kevin Camerer Westenburg
President
$50k
33,333 shares
+20%
36Weak
NNUPbuy
NOCOPI TECHNOLOGIES INC/MD/
Kevin Camerer Westenburg
President
$17k
10,500 shares
+8%
27Weak
NNUPbuy
NOCOPI TECHNOLOGIES INC/MD/
Kevin Camerer Westenburg
President
$12k
7,500 shares
+6%
36Weak
NNUPbuy 3
NOCOPI TECHNOLOGIES INC/MD/
Frost Phillip Md Et Al
owner
$215k
195,852 shares
+15%
64Notable
NNUPbuy 3
NOCOPI TECHNOLOGIES INC/MD/
Matthew C. Winger
Chief Executive Officer
$112k
101,416 shares
+75%
41Moderate
NNUPbuy 3
NOCOPI TECHNOLOGIES INC/MD/
Joseph S Steinberg
owner
$215k
195,851 shares
+16%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Eric Sites bought $1,900 of NNUP | InsiderTell