SEC Form 4
NeOnc Technologies Holdings, Inc. (NTHI) insider trading
In the 12 months to Oct 26, 2026, one NTHI insider reported open-market sales of $16.8K across 1 filing; 5 insiders bought $1.3M.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $16.8K
- 1 filing · 1 insider
- Open-market purchases
- $1.3M
- 19 filings
Who traded NTHI, and when
- Purchase
- Sale
NTHI daily close from Oct 27, 2025 to Oct 26, 2026, between $2.53 and $11.83, last $2.90. 1 sale and 19 purchase filings by 5 insiders, marked at their filing dates. Amir F. Heshmatpour, President → CEO, President: bought $1.0M across 11 filings, first filed Nov 24, 2025, last Sep 15, 2026. Thomas C. Chen, CEO → Chief Scientific Officer: bought $302.9K across 3 filings, first filed Aug 20, 2026, last Sep 15, 2026. Keithly Garnett, CFO: sold $16.8K and bought $2.6K across 3 filings, first filed Apr 24, 2026, last Sep 18, 2026. Yousha Neman-Ebrahim, Chief Clinical Officer: bought $9.8K across 2 filings, first filed Nov 24, 2025, last Apr 24, 2026. David Suh JR., Chief Accounting Officer: bought $1.0K across 1 filing, first filed Apr 13, 2026, last Apr 13, 2026.
Largest mark · tap a row for others
Amir F. Heshmatpour · CEO, President
Filing 1 of 2 within a week · $310,415 total
Purchase $135,620
37,000 shares at $3.67 avg
Filed Sep 14, 2026 · traded Sep 11
Close on filing date $3.78
Amir F. Heshmatpour · President → CEO, President
President → CEO, President
$1.0M boughtThomas C. Chen · CEO → Chief Scientific Officer
CEO → Chief Scientific Officer
$302.9K boughtKeithly Garnett · CFO
CFO
$16.8K sold$2.6K boughtYousha Neman-Ebrahim · Chief Clinical Officer
Chief Clinical Officer
$9.8K boughtDavid Suh JR. · Chief Accounting Officer
Chief Accounting Officer
$1.0K boughtOpen-market trades
20 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Amir F. Heshmatpour | President → CEO, President | — | $1.0M | 11 | — | |
| Thomas C. Chen | CEO → Chief Scientific Officer | — | $302.9K | 3 | — | |
| Keithly Garnett | CFO | $16.8K | $2.6K | 3 | — | |
| Yousha Neman-Ebrahim | Chief Clinical Officer | — | $9.8K | 2 | — | |
| David Suh JR. | Chief Accounting Officer | — | $1.0K | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Keithly Garnett CFO | Sale | 5,000 | $3.36 | $16.8K | 237,357 | |
traded | Keithly Garnett CFO | Purchase | 257 | $3.89 | $1.0K | 242,357 | |
traded | Thomas C. Chen CEO | Purchase | 10,798 | $3.70 | $40.0K | 24,503 | |
traded | Amir F. Heshmatpour CEO, President | Purchase | 50,000 | $3.50 | $174.8K | 3,183,000 | |
traded | Amir F. Heshmatpour CEO, President | Purchase | 37,000 | $3.67 | $135.6K | 3,133,000 | |
traded | Thomas C. Chen Chief Scientific Officer | Purchase | 47,207 | $4.09 | $192.9K | Multiple accounts | |
traded | Thomas C. Chen CEO | Purchase | 12,757 | $5.49 | $70.0K | 13,705 | |
traded | Amir F. Heshmatpour CEO, President | Purchase | 9,000 | $5.54 | $49.9K | 3,096,000 | |
traded | Amir F. Heshmatpour CEO, President | Purchase | 15,000 | $3.91 | $58.6K | 3,087,000 | |
traded | Amir F. Heshmatpour President | Purchase | 10,000 | $4.16 | $41.6K | 3,072,000 | |
traded | Amir F. Heshmatpour President | Purchase | 10,000 | $4.52 | $45.2K | 3,062,000 | |
traded | Keithly Garnett CFO | Purchase | 300 | $5.38 | $1.6K | 241,200 | |
traded | Yousha Neman-Ebrahim Chief Clinical Officer | Purchase | 500 | $4.88 | $2.4K | 134,760 | |
traded | Amir F. Heshmatpour President | Purchase | 10,000 | $4.90 | $49.0K | 3,052,000 | |
traded | David Suh JR. Chief Accounting Officer | Purchase | 200 | $5.00 | $1.0K | 111,866 | |
traded | Amir F. Heshmatpour President | Purchase | 10,000 | $4.90 | $48.9K | 3,042,000 | |
traded | Amir F. Heshmatpour President | Purchase | 15,000 | $5.47 | $82.0K | 3,032,000 | |
traded | Amir F. Heshmatpour President | Purchase | 25,000 | $6.14 | $153.4K | 3,017,000 | |
traded | Yousha Neman-Ebrahim Chief Clinical Officer | Purchase | 1,100 | $6.69 | $7.4K | 134,260 | |
traded | Amir F. Heshmatpour President | Purchase | 30,000 | $6.16 | $184.7K | 2,992,000 |
GET /stocks/filings/vX/form-4?tickers=NTHI&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"NTHI"
],
"issuer_cik": "0001979414",
"owner_cik": "0001997371",
"accession_number": "0001213900-26-101592",
"form_type": "4",
"filing_date": "2026-09-18",
"period_of_report": "2026-09-15",
"issuer_name": "NEONC TECHNOLOGIES HOLDINGS, INC.",
"issuer_trading_symbol": "NTHI",
"owner_name": "GARNETT KEITHLY",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "CFO",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-15",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 5000,
"transaction_price_per_share": 3.3618,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 237357,
"transaction_value": 16809,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 16, 2026."
},
{
"id": "F2",
"description": "Includes shares of common stock held by certain members of Reporting Person's immediate family of which Reporting Person disclaims beneficial ownership except to the extent of his pecuniary interest, if any, therein."
}
]
},
{
"tickers": [
"NTHI"
],
"issuer_cik": "0001979414",
"owner_cik": "0001997371",
"accession_number": "0001213900-26-100265",
"form_type": "4",
"filing_date": "2026-09-15",
"period_of_report": "2026-09-14",
"issuer_name": "NEONC TECHNOLOGIES HOLDINGS, INC.",
"issuer_trading_symbol": "NTHI",
"owner_name": "GARNETT KEITHLY",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "CFO",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-14",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 257,
"transaction_price_per_share": 3.8948,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 242357,
"transaction_value": 1000.9636,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The aggregate number of shares (the \"Shares\") of common stock of Issuer purchased by the Reporting Person on the same date at different prices."
},
{
"id": "F2",
"description": "Represents the weighted average purchase price. The Shares were purchased at prices ranging from $3.87 to $3.92 per share, inclusive. Full information regarding the number of Shares purchased at each price shall be provided to the Securities and Exchange Commission staff, Issuer or any security holder, upon request."
},
{
"id": "F3",
"description": "Includes shares of common stock held by certain members of Reporting Person's immediate family of which Reporting Person disclaims beneficial ownership except to the extent of his pecuniary interest, if any, therein."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 3 records
- Grants and awards3 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Role
- The title on each filing. Someone whose title changed shows more than one.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
- Counted once
- When several owners (a fund and its partners, say) report the same trade, it's counted once. Corrected filings replace the originals.
Frequently asked questions
Has NeOnc Technologies Holdings, Inc.'s CEO sold stock?
No. Thomas C. Chen and Amir F. Heshmatpour (CEOs) made no open-market sales filed as CEO in the last 12 months.
How current is NTHI’s insider data?
These are NTHI Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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Track NTHI insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for NTHI every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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