NTHI insider trading — Neonc Technologies Holdings, Inc.
Over the last 90 days, insiders at Neonc Technologies Holdings, Inc. (NTHI) made 12 open-market purchases worth $670K and 1 open-market sale worth $17K, making them net buyers by $653K. The largest purchase was by Heshmatpour Amir F (CEO, President), who bought 37,000 shares for $136K on Sep 11, 2026. The largest sale was by Garnett Keithly (CFO), who sold 5,000 shares for $17K on Sep 15, 2026. 3 different insiders bought shares in this period — a cluster buy, which many investors watch closely.
Updated Oct 16, 2026.
Recent NTHI insider transactions
Every Form 4 filed by Neonc Technologies Holdings, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Garnett Keithly | CFO | S · Sale | Direct | 5,000 | $3.36 | $17K | Form 4 |
| Sep 15, 2026 | Heshmatpour Amir F | CEO, President | P · Purchase | Direct | 35,000 | $3.30 | $115K | Form 4 |
| Sep 14, 2026 | Heshmatpour Amir F | CEO, President | P · Purchase | Direct | 15,000 | $3.96 | $59K | Form 4 |
| Sep 14, 2026 | Chen Thomas C | CEO | P · Purchase | Indirect | 5,242 | $3.81 | $20K | Form 4 |
| Sep 11, 2026 | Chen Thomas C | CEO | P · Purchase | Indirect | 5,556 | $3.60 | $20K | Form 4 |
| Sep 14, 2026 | Garnett Keithly | CFO | P · Purchase | Direct | 257 | $3.89 | $1K | Form 4 |
| Sep 11, 2026 | Heshmatpour Amir F | CEO, President | P · Purchase | Direct | 37,000 | $3.67 | $136K | Form 4 |
| Aug 18, 2026 | Chen Thomas C | CEO | P · Purchase | Indirect | 12,757 | $5.49 | $70K | Form 4 |
| Aug 17, 2026 | Chen Thomas C | CEO | P · Purchase | Direct | 2,472 | $4.04 | $10K | Form 4 |
| Aug 14, 2026 | Chen Thomas C | CEO | P · Purchase | Direct | 33,787 | $3.85 | $130K | Form 4 |
| Aug 18, 2026 | Heshmatpour Amir F | CEO, President | P · Purchase | Direct | 9,000 | $5.54 | $50K | Form 4 |
| Aug 17, 2026 | Heshmatpour Amir F | CEO, President | P · Purchase | Direct | 3,000 | $4.37 | $13K | Form 4 |
| Aug 14, 2026 | Heshmatpour Amir F | CEO, President | P · Purchase | Direct | 12,000 | $3.79 | $45K | Form 4 |
NTHI insider trading FAQ
Are insiders buying NTHI stock?
Yes. In the last 90 days, Neonc Technologies Holdings, Inc. insiders made 12 open-market purchases totaling $670K, and 1 open-market sale totaling $17K. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading NTHI?
Recent buyers: Chen Thomas C, Garnett Keithly, Heshmatpour Amir F. Recent sellers: Garnett Keithly.
Where does NTHI insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.