CHEN THOMAS C
CEO
CHEN THOMAS C has filed 4 SEC Form 4 filings (9 transaction rows) across 1 company, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: Sep 16, 2026.
On the most recent filing, CHEN THOMAS C is listed as CEO at NEONC TECHNOLOGIES HOLDINGS, INC. Inside the rolling window, CHEN THOMAS C reported 7 open-market purchases totaling $303K in NTHI and no open-market sales. The largest disclosed transaction in the window is a purchase of 33,787 NTHI shares on Aug 14, 2026, worth $130K.
Companies traded
Other insiders at NTHI
Insider Buying
$303K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| NTHI | CEO | Purchase | 5,556 | $20K | Sep 16 | SEC ↗ | |
| NTHI | CEO | Purchase | 5,242 | $20K | Sep 16 | SEC ↗ | |
| NTHI | CEO | Purchase | 12,757 | $70K | Aug 21 | SEC ↗ | |
| NTHI | Chief Scientific Officer | Purchase | 948 | $5K | Aug 21 | SEC ↗ | |
| NTHI | Chief Scientific Officer | Purchase | 10,000 | $48K | Aug 21 | SEC ↗ | |
| NTHI | Chief Scientific Officer | Purchase | 33,787 | $130K | Aug 21 | SEC ↗ | |
| NTHI | Chief Scientific Officer | Purchase | 2,472 | $10K | Aug 21 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has CHEN THOMAS C made?
CHEN THOMAS C has filed 4 SEC Form 4 filings (9 transaction rows) across 1 company since 2026.
Which companies does CHEN THOMAS C trade?
CHEN THOMAS C has filed SEC Form 4 disclosures for 1 company, including NTHI.
When was CHEN THOMAS C's most recent SEC Form 4 filing?
CHEN THOMAS C's most recent SEC Form 4 filing on Tracefour is dated Sep 16, 2026.
What is CHEN THOMAS C's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, CHEN THOMAS C is listed as CEO.
What is CHEN THOMAS C's total buy and sell value in the current window?
Inside the rolling retention window, CHEN THOMAS C bought $303K and sold $0 based on SEC Form 4 filings.
What was CHEN THOMAS C's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 33,787 NTHI shares on 2026-08-14, worth $130K, per SEC Form 4 filings.