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buyModerate cluster of 2

Amir F Heshmatpour bought $50k of NTHI

CEO, President at NEONC TECHNOLOGIES HOLDINGS, INC.. 9,000 shares at an average of $5.54, traded Aug 18, 2026, filed Aug 18, 2026.

Conviction score
43
Value
$50k
9,000 shares
Holdings after
3,096,000
+0% from before
From 52-week low
+72%
low $3.21, close $5.53
From 52-week high
-54%
high $12.09, as of Aug 18, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $50k at market
    +7
  • Relative to holdings
    Under 1% of holdings (0.3%)
    -5
  • Price context
    54% below the 52-week high
    +8
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Median 6-month excess return -33% over 3 past buys
    -5

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.

NTHIOct 12, 2026 · close 2.73
Since filing Aug 18, 2026: -50.6%SPY +1.6% · excess -52.3%

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 0001213900-26-091150, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 18, 2026POpen-market purchase
Common Stock
+9,000$5.54$50k3,096,000Aug 18, 2026

Related signals

Other insiders at NEONC TECHNOLOGIES HOLDINGS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
2Weak
NTHIsell10b5-1
NEONC TECHNOLOGIES HOLDINGS, INC.
Keithly Garnett
CFO
$17k
5,000 shares
-2%
56Moderate
NTHIbuy 3
NEONC TECHNOLOGIES HOLDINGS, INC.
Thomas C Chen
CEO
$40k
10,798 shares
+79%
32Weak
NTHIbuy 3
NEONC TECHNOLOGIES HOLDINGS, INC.
Keithly Garnett
CFO
$1,001
257 shares
+0%
56Moderate
NTHIbuy 3
NEONC TECHNOLOGIES HOLDINGS, INC.
Amir F Heshmatpour
CEO, President
$175k
50,000 shares
+2%
51Moderate
NTHIbuy 3
NEONC TECHNOLOGIES HOLDINGS, INC.
Amir F Heshmatpour
CEO, President
$136k
37,000 shares
+1%
64Notable
NTHIbuy 2
NEONC TECHNOLOGIES HOLDINGS, INC.
Thomas C Chen
CEO
$70k
12,757 shares
+1346%
58Moderate
NTHIbuy 4
NEONC TECHNOLOGIES HOLDINGS, INC.
Thomas C Chen
Chief Scientific Officer
$193k
47,207 shares
-
55Moderate
NTHIbuy 2
NEONC TECHNOLOGIES HOLDINGS, INC.
Thomas C Chen
CEO
$140k
36,259 shares
+7%
38Weak
NTHIbuy 2
NEONC TECHNOLOGIES HOLDINGS, INC.
Amir F Heshmatpour
CEO, President
$59k
15,000 shares
+0%
37Weak
NTHIbuy 2
NEONC TECHNOLOGIES HOLDINGS, INC.
Amir F Heshmatpour
President
$42k
10,000 shares
+0%

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.

Amir F Heshmatpour bought $50k of NTHI | InsiderTell