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N

NTHI

Nasdaq

NEONC TECHNOLOGIES HOLDINGS, INC.

Latest disclosureSeptember 18, 2026
Insider score Why 92?
92/ 100
Qualifying buys · 30d
$351.42K

27 purchases · 1 sales

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Insider transactions 31

Limited filing history
All31Buying27Selling1Other3
Filters

Last 30 daysInsiders bought $351.42K · 3 buyers, led by Amir F. Heshmatpour (CEO) with $310.41K. Sales: $16.81K by 1 insider.

31 trades · April 15, 2025 – September 15, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 31 trades on this page.

Sale disclosed

Keithly Garnett

CFO

Common Stock

Reported value
$16.81K
Reported price
$3.3618 / share
Traded September 15, 2026Filed September 18, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

CEO, President

Common Stock

Reported value
$59.4K
Reported price
$3.96 / share
Traded September 14, 2026Filed September 15, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

CEO, President

Common Stock

Reported value
$115.4K
Reported price
$3.297 / share
Traded September 15, 2026Filed September 15, 2026SEC filing
Purchase disclosed

Thomas C. Chen

CEO

Common Stock

Reported value
$20K
Reported price
$3.60 / share
Traded September 11, 2026Filed September 15, 2026SEC filing
Purchase disclosed

Thomas C. Chen

CEO

Common Stock

Reported value
$20K
Reported price
$3.815 / share
Traded September 14, 2026Filed September 15, 2026SEC filing
Purchase disclosed

Keithly Garnett

CFO

Common Stock

Reported value
$1K
Reported price
$3.8948 / share
Traded September 14, 2026Filed September 15, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

CEO, President

Common Stock

Reported value
$135.62K
Reported price
$3.6654 / share
Traded September 11, 2026Filed September 14, 2026SEC filing
Purchase disclosed

Thomas C. Chen

CEO

Common Stock

Reported value
$70K
Reported price
$5.487 / share
Traded August 18, 2026Filed August 20, 2026SEC filing
Purchase disclosedAmended filing

Thomas C. Chen

Chief Scientific Officer

Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$5.1677
Raw implied value
$4,898.98
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
—
Reported price
—
Understand this price

Filing error, value unverified. The filed amounts are preserved for review and excluded from buying signals and transaction totals until verified.

Traded April 10, 2026Filed August 20, 2026SEC filing
Purchase disclosedAmended filing

Thomas C. Chen

Chief Scientific Officer

Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$4.80
Raw implied value
$48,000.00
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
—
Reported price
—
Understand this price

Filing error, value unverified. The filed amounts are preserved for review and excluded from buying signals and transaction totals until verified.

Traded April 24, 2026Filed August 20, 2026SEC filing
Purchase disclosedAmended filing

Thomas C. Chen

Chief Scientific Officer

Amended

Related filings are retained as evidence. This economic transaction is counted once.

This amendment supersedes the related original transaction.

Original SEC filing ↗Amended SEC filing ↗

Common Stock

Reported value
$130K
Reported price
$3.8477 / share
Traded August 14, 2026Filed August 20, 2026SEC filing
Purchase disclosedAmended filing

Thomas C. Chen

Chief Scientific Officer

Amended

Related filings are retained as evidence. This economic transaction is counted once.

This amendment supersedes the related original transaction.

Original SEC filing ↗Amended SEC filing ↗

Common Stock

Reported value
$10K
Reported price
$4.0445 / share
Traded August 17, 2026Filed August 20, 2026SEC filing
Purchase disclosed

Thomas C. Chen

CEO

Superseded by later filing

Related filings are retained as evidence. This economic transaction is counted once.

This original record remains available as evidence. The later filing replaces it in totals and buying signals.

Superseding SEC filing ↗Original transaction filing ↗

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
Unavailable
Reported price
$3.8477 / share
Traded August 14, 2026Filed August 18, 2026SEC filing
Purchase disclosed

Thomas C. Chen

CEO

Superseded by later filing

Related filings are retained as evidence. This economic transaction is counted once.

This original record remains available as evidence. The later filing replaces it in totals and buying signals.

Superseding SEC filing ↗Original transaction filing ↗

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
Unavailable
Reported price
$4.0445 / share
Traded August 17, 2026Filed August 18, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

CEO, President

Common Stock

Reported value
$49.86K
Reported price
$5.54 / share
Traded August 18, 2026Filed August 18, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

CEO, President

Common Stock

Reported value
$45.46K
Reported price
$3.7883 / share
Traded August 14, 2026Filed August 17, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

CEO, President

Common Stock

Reported value
$13.12K
Reported price
$4.3733 / share
Traded August 17, 2026Filed August 17, 2026SEC filing
Award disclosed

Nasim Shomali

Director

Common Stock

Value context
Unavailable
Reported price
Price not reported
Traded July 10, 2026Filed July 13, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

President

Common Stock

Reported value
$41.59K
Reported price
$4.1592 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

President

Common Stock

Reported value
$45.18K
Reported price
$4.518 / share
Traded April 28, 2026Filed April 28, 2026SEC filing
Purchase disclosed

Yousha Neman-Ebrahim

Chief Clinical Officer

Common Stock

Reported value
$2.44K
Reported price
$4.88 / share
Traded April 23, 2026Filed April 24, 2026SEC filing
Purchase disclosed

Keithly Garnett

CFO

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
$1.61K
Reported price
$5.38 / share
Traded April 15, 2025Filed April 24, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

President

Common Stock

Reported value
$49K
Reported price
$4.90 / share
Traded April 23, 2026Filed April 23, 2026SEC filing
Award disclosed

Suh, David Jr.

Chief Accounting Officer

Common Stock

Value context
Unavailable
Reported price
Price not reported
Traded March 1, 2026Filed April 13, 2026SEC filing
Purchase disclosed

Suh, David Jr.

Chief Accounting Officer

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
$1K
Reported price
$5.00 / share
Traded April 9, 2026Filed April 13, 2026SEC filing
Award disclosed

Suh, David Jr.

Chief Accounting Officer

Common Stock

Derivative security · not the ordinary share price.

Value context
Unavailable
Reported price
Price not reported
Traded March 1, 2026Filed April 13, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

President

Common Stock

Reported value
$48.95K
Reported price
$4.895 / share
Traded April 10, 2026Filed April 10, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

President

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
$56.05K
Reported price
$5.605 / share
Traded April 8, 2026Filed April 9, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

President

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
$25.95K
Reported price
$5.19 / share
Traded April 9, 2026Filed April 9, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

President

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
$121.8K
Reported price
$6.0899 / share
Traded April 2, 2026Filed April 6, 2026SEC filing
Purchase disclosed

Amir F. Heshmatpour

President

Common Stock

Excluded from the common-share buying signal. See trade details.

Reported value
$31.6K
Reported price
$6.32 / share
Traded April 6, 2026Filed April 6, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
CFOCommon StockSale10b5-15,000$3.36 / share$16.81KSep 15Filed Sep 18 · 3d laterSEC filing
CEO, PresidentCommon StockPurchase15,000$3.96 / share$59.4KSep 14Filed Sep 15 · 1d laterSEC filing
CEO, PresidentCommon StockPurchase35,000$3.30 / share$115.4KSep 15Filed Sep 15 · 0d laterSEC filing
CEOCommon StockPurchase5,556$3.60 / share$20KSep 11Filed Sep 15 · 4d laterSEC filing
CEOCommon StockPurchase5,242$3.82 / share$20KSep 14Filed Sep 15 · 1d laterSEC filing
CFOCommon StockPurchase257$3.89 / share$1KSep 14Filed Sep 15 · 1d laterSEC filing
CEO, PresidentCommon StockPurchase37,000$3.67 / share$135.62KSep 11Filed Sep 14 · 3d laterSEC filing
CEOCommon StockPurchase12,757$5.49 / share$70KAug 18Filed Aug 20 · 2d laterSEC filing
Chief Scientific Officer
Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$5.1677
Raw implied value
$4,898.98
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗
Common StockPurchaseExcluded from purchase score948——Apr 10Filed Aug 20 · 132d laterSEC filing
Chief Scientific Officer
Filing error, value unverified

The filed price or transaction value needs verification before it can be used in totals or buying signals.

Raw filed price per unit
$4.80
Raw implied value
$48,000.00
Verified price
—
Verified value
—
Confidence
low
Validation findings
amendment requires reconciliation · price missing
Original transaction filing ↗
Common StockPurchaseExcluded from purchase score10,000——Apr 24Filed Aug 20 · 118d laterSEC filing
Chief Scientific Officer
Amended

Related filings are retained as evidence. This economic transaction is counted once.

This amendment supersedes the related original transaction.

Original SEC filing ↗Amended SEC filing ↗
Common StockPurchase33,787$3.85 / share$130KAug 14Filed Aug 20 · 6d laterSEC filing
Chief Scientific Officer
Amended

Related filings are retained as evidence. This economic transaction is counted once.

This amendment supersedes the related original transaction.

Original SEC filing ↗Amended SEC filing ↗
Common StockPurchase2,472$4.04 / share$10KAug 17Filed Aug 20 · 3d laterSEC filing
CEO
Superseded by later filing

Related filings are retained as evidence. This economic transaction is counted once.

This original record remains available as evidence. The later filing replaces it in totals and buying signals.

Superseding SEC filing ↗Original transaction filing ↗
Common StockPurchaseExcluded from purchase score33,787$3.85 / shareUnavailableAug 14Filed Aug 18 · 4d laterSEC filing
CEO
Superseded by later filing

Related filings are retained as evidence. This economic transaction is counted once.

This original record remains available as evidence. The later filing replaces it in totals and buying signals.

Superseding SEC filing ↗Original transaction filing ↗
Common StockPurchaseExcluded from purchase score2,472$4.04 / shareUnavailableAug 17Filed Aug 18 · 1d laterSEC filing
CEO, PresidentCommon StockPurchase9,000$5.54 / share$49.86KAug 18Filed Aug 18 · 0d laterSEC filing
CEO, PresidentCommon StockPurchase12,000$3.79 / share$45.46KAug 14Filed Aug 17 · 3d laterSEC filing
CEO, PresidentCommon StockPurchase3,000$4.37 / share$13.12KAug 17Filed Aug 17 · 0d laterSEC filing
DirectorCommon StockGrant or award50,000Price not reportedUnavailableJul 10Filed Jul 13 · 3d laterSEC filing
PresidentCommon StockPurchase10,000$4.16 / share$41.59KMay 1Filed May 4 · 3d laterSEC filing
PresidentCommon StockPurchase10,000$4.52 / share$45.18KApr 28Filed Apr 28 · 0d laterSEC filing
Chief Clinical OfficerCommon StockPurchase500$4.88 / share$2.44KApr 23Filed Apr 24 · 1d laterSEC filing
CFOCommon StockPurchaseExcluded from purchase score300$5.38 / share$1.61KApr 15Filed Apr 24 · 374d laterSEC filing
PresidentCommon StockPurchase10,000$4.90 / share$49KApr 23Filed Apr 23 · 0d laterSEC filing
Chief Accounting OfficerCommon StockGrant or award111,666Price not reportedUnavailableMar 1Filed Apr 13 · 43d laterSEC filing
Chief Accounting OfficerCommon StockPurchaseExcluded from purchase score200$5.00 / share$1KApr 9Filed Apr 13 · 4d laterSEC filing
Chief Accounting OfficerCommon StockGrant or awardDerivative units58,334Price not reportedUnavailableMar 1Filed Apr 13 · 43d laterSEC filing
PresidentCommon StockPurchase10,000$4.90 / share$48.95KApr 10Filed Apr 10 · 0d laterSEC filing
PresidentCommon StockPurchaseExcluded from purchase score10,000$5.61 / share$56.05KApr 8Filed Apr 9 · 1d laterSEC filing
PresidentCommon StockPurchaseExcluded from purchase score5,000$5.19 / share$25.95KApr 9Filed Apr 9 · 0d laterSEC filing
PresidentCommon StockPurchaseExcluded from purchase score20,000$6.09 / share$121.8KApr 2Filed Apr 6 · 4d laterSEC filing
PresidentCommon StockPurchaseExcluded from purchase score5,000$6.32 / share$31.6KApr 6Filed Apr 6 · 0d laterSEC filing

Congress transactions 0

All Congress filings
No disclosed congressional trades for NTHI in the imported filings.

This reflects the filings imported so far, not a complete trading history.

Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

Qualifying common-equity purchase value

$601,893 of common-equity purchase value after transaction-age decay across 180 days.

+20 pts

Distinct buying groups

4 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+20 pts

CEO purchase

Qualifying common-equity P acquisition; no disclosed plan, exercise or excluded purchase context detected.

+14 pts

CFO purchase

Qualifying common-equity P acquisition; no disclosed plan, exercise or excluded purchase context detected.

+9 pts

Insider buying cluster

3 buying groups inside 30 transaction-date days, public by the snapshot cutoff.

+15 pts

Repeated purchases

A reporting-owner group bought on at least two distinct dates within the cluster window.

+5 pts

Material reported holdings increase

At least one row increased reported same-security holdings by 10% or established a new reported position; indirect interests may overlap.

+9 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0001979414
Latest public acceptance
Sep 19, 2026, 01:26 AM UTC
Score calculated
Oct 7, 2026, 12:11 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.