Neonc Technologies Holdings NTHI Insider Ownership

NASDAQ NTHI

$2.90 +0.13 (+4.69%)

At close: Oct 21, 2026 · 4:00 PM EDT

Insider Holdings by Owner

7.63Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026

Insider Ownership

21.34%

▲+0.631% pp QoQ

Shares Held by Insiders

5.53Mn

filed for Sep 2026

▲+3.04% QoQ

Shares Outstanding

25.93Mn

25,933,365 shares

Direct Holdings

4.75Mn

Indirect: 787.74K

Net Shares Traded (QoQ)

+163.52K

net buying in Sep 2026

Insiders Holding Shares

with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold

Latest quarter —

Net over range —

Buying quarters —

Insider Ownership Summary

Updated Oct 10, 2026

Over the trailing 12 months, NTHI insiders bought $1.03 million worth of shares (226.61K shares) and sold $16,809 worth (5K shares) in open-market trades.

By number of insiders, Neonc Technologies Holdings saw 5 insiders buy and one insider sell on the open market over the past 12 months.
Among NTHI's insiders, Amir F. Heshmatpour (CEO, President) was the top open-market buyer in the past 12 months, with $904,034 of stock purchased (201K shares) and the latest purchase on September 15, 2026.
On the selling side, Keithly Garnett (CFO) was the top open-market seller of Neonc Technologies Holdings over the past 12 months, with $16,809 sold (5K shares) and the latest sale on September 15, 2026.
Away from the open market, NTHI insiders received 111.67K shares in stock awards over the last 12 months.
Per Business Quant, NTHI insiders together hold 5.53Mn shares based on their latest Form 4 filings, up 3.04% from 5.37Mn shares at the end of Q2 2026.
Neonc Technologies Holdings insiders hold 4.75Mn shares directly (85.77% of their total) and 787.74K shares (14.23%) indirectly, through entities such as trusts and partnerships.
The insider holdings in Neonc Technologies Holdings belong to 9 insiders who have reported on Form 4 within the past two years.
Neonc Technologies Holdings' three biggest insider holders are Amir F. Heshmatpour (CEO, President, 3.44Mn shares), Ming-Fu (Alan) Chiang (Director, 774.4K shares) and Thomas C. Chen (CEO, 608.03K shares), based on their latest Form 4 filings.
The holding of Amir F. Heshmatpour makes up 62.15% of all shares held by Neonc Technologies Holdings insiders.
Institutional investors held 12.16% of Neonc Technologies Holdings stock at the end of Q2 2026, while the latest Form 4 filings of its insiders account for about 21.34%; other investors, including the public, hold roughly 66.50%.
In the last 12 months, 20 Form 4 filings with transactions in NTHI stock came from 5 insiders.
The insider data for NTHI reflects Form 4 filings through September 18, 2026.

Form 4 Holdings

Insiders Holding NTHI

Insiders 9

Shares held 7.63Mn

Of outstanding 29.43%

#	Insider	Position	Direct	Indirect	Total	Share of Insiders	Last Filed
1	Amir F Heshmatpour	Ceo, President	6,165,000	0	6,165,000	80.8%	15 Sep, 2026
2	Ming-Fu (Alan) Chiang	Director	390,216	384,180	774,396	10.1%	05 Jun, 2025
3	Keithly Garnett	Cfo	237,357	0	237,357	3.1%	18 Sep, 2026
4	Yousha Neman-Ebrahim	Chief Clinical Officer	134,760	0	134,760	1.8%	24 Apr, 2026
5	David Jr. Suh,	Chief Accounting Officer	111,866	0	111,866	1.5%	13 Apr, 2026
6	Patrick Walters	Coo	0	78,885	78,885	1.0%	05 Jun, 2025
7	Jim Delshad	Director	55,310	0	55,310	0.7%	19 May, 2025
8	Steven L. Giannotta	Director	50,160	0	50,160	0.7%	28 Mar, 2025
9	Thomas C Chen	Ceo	0	24,503	24,503	0.3%	14 Sep, 2026

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

108 Insider Transactions

Source SEC Form 4

Latest quarter Sep 2026

Date	Insider	Position	Transaction	Shares	Price	Value	Shares Held After	Ownership
15 Sep, 2026	Keithly Garnett	Cfo	Acquired S	5,000	$3.36	$16.81K	237,357	Direct
14 Sep, 2026	Keithly Garnett	Cfo	Acquired P	257	$3.89	$1.00K	242,357	Direct
14 Sep, 2026	Amir F Heshmatpour	Ceo, President	Acquired P	15,000	$3.96	$59.40K	3,148,000	Direct
15 Sep, 2026	Amir F Heshmatpour	Ceo, President	Acquired P	35,000	$3.30	$115.40K	3,183,000	Direct
11 Sep, 2026	Thomas C Chen	Ceo	Acquired P	5,556	$3.60	$20.00K	19,261	Indirect
14 Sep, 2026	Thomas C Chen	Ceo	Acquired P	5,242	$3.82	$20.00K	24,503	Indirect
11 Sep, 2026	Amir F Heshmatpour	Ceo, President	Acquired P	37,000	$3.67	$135.62K	3,133,000	Direct
18 Aug, 2026	Thomas C Chen	Ceo	Acquired P	12,757	$5.49	$70.00K	13,705	Indirect
18 Aug, 2026	Amir F Heshmatpour	Ceo, President	Acquired P	9,000	$5.54	$49.86K	3,096,000	Direct
14 Aug, 2026	Amir F Heshmatpour	Ceo, President	Acquired P	12,000	$3.79	$45.46K	3,084,000	Direct
17 Aug, 2026	Amir F Heshmatpour	Ceo, President	Acquired P	3,000	$4.37	$13.12K	3,087,000	Direct
01 May, 2026	Amir F Heshmatpour	President	Acquired P	10,000	$4.16	$41.59K	3,072,000	Direct
28 Apr, 2026	Amir F Heshmatpour	President	Acquired P	10,000	$4.52	$45.18K	3,062,000	Direct
23 Apr, 2026	Yousha Neman-Ebrahim	Chief Clinical Officer	Acquired P	500	$4.88	$2.44K	134,760	Direct
15 Apr, 2025	Keithly Garnett	Cfo	Acquired P	300	$5.38	$1.61K	241,200	Direct
23 Apr, 2026	Amir F Heshmatpour	President	Acquired P	10,000	$4.90	$49.00K	3,052,000	Direct
01 Mar, 2026	David Jr. Suh,	Chief Accounting Officer	Acquired A	111,666	—	—	111,666	Direct
09 Apr, 2026	David Jr. Suh,	Chief Accounting Officer	Acquired P	200	$5.00	$1.00K	111,866	Direct
01 Mar, 2026	David Jr. Suh,	Chief Accounting Officer	Acquired A	58,334	—	—	58,334	Direct
10 Apr, 2026	Amir F Heshmatpour	President	Acquired P	10,000	$4.90	$48.95K	3,042,000	Direct

Showing 1 to 20 of 108 transactions