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buyModerate cluster of 3

Amir F Heshmatpour bought $107k of NTHI

President at NEONC TECHNOLOGIES HOLDINGS, INC.. 10,000 shares at an average of $10.65, traded May 11, 2025, filed May 19, 2025.

Conviction score
48
Value
$107k
10,000 shares
Holdings after
1,760,000
+1% from before
From 52-week low
+68%
low $4.36, close $7.34
From 52-week high
-56%
high $16.55, as of May 9, 2025

Score components

  • Role
    President
    +20
  • Trade size
    $107k at market
    +10
  • Relative to holdings
    Under 1% of holdings (0.6%)
    -5
  • Price context
    56% below the 52-week high
    +8
  • Cluster
    3 insiders buying within 14 days
    +15
  • 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.

NTHIOct 9, 2026 · close 2.78
Since filing May 19, 2025: -62.6%SPY +33.1% · excess -95.6%

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 0001213900-25-045539, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 11, 2025POpen-market purchase
Common Stock
+1,600$7.51$12k1,751,600May 19, 2025
May 12, 2025POpen-market purchase
Common Stock
+1,400$7.23$10k1,753,000May 19, 2025
May 13, 2025POpen-market purchase
Common Stock
+990$7.01$6,9421,753,990May 19, 2025
May 14, 2025POpen-market purchase
Common Stock
+1,000$7.27$7,2671,754,990May 19, 2025
May 15, 2025POpen-market purchase
Common Stock
+1,500$7.30$11k1,756,490May 19, 2025
May 16, 2025POpen-market purchase
CommonStock
+3,510$16.87$59k1,760,000May 19, 2025

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%
70Notable
NTHIsell 5
NEONC TECHNOLOGIES HOLDINGS, INC.
Thomas C Chen
CEO
$975k
39,233 shares
-13%
60Notable
NTHIsell 5
NEONC TECHNOLOGIES HOLDINGS, INC.
Ming-Fu (alan) Chiang
director
$1.4M
57,696 shares
-13%
53Moderate
NTHIsell 5
NEONC TECHNOLOGIES HOLDINGS, INC.
Keithly Garnett
CFO
$164k
6,616 shares
-13%
59Moderate
NTHIsell 5
NEONC TECHNOLOGIES HOLDINGS, INC.
Amir F Heshmatpour
President
$956k
38,464 shares
-13%
54Moderate
NTHIsell 5
NEONC TECHNOLOGIES HOLDINGS, INC.
Patrick Walters
COO
$294k
11,847 shares
-13%

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 $107k of NTHI | InsiderTell