Thomas C. Chen
CIK: 0001998682
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
NEONC TECHNOLOGIES HOLDINGS, INC.
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Sep 14, 2026NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Indirect5.2K shares at avg. $3.81$20K - Sep 11, 2026NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Indirect5.6K shares at avg. $3.60$20K - Aug 18, 2026NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Indirect12.8K shares at avg. $5.49$70K - Aug 17, 2026NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Direct2.5K shares at avg. $4.04$10K - Aug 14, 2026NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Direct33.8K shares at avg. $3.85$130K - Apr 24, 2026NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Indirect10K shares at avg. $4.80$48K - Apr 10, 2026NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Indirect948 shares at avg. $5.17$5K - May 22, 2025NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Direct2.7K shares at avg. $7.38$20K - May 21, 2025NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Direct2.8K shares at avg. $7.25$20K - May 12, 2025NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Purchase(P)Direct400 shares at avg. $7.00$3K - Mar 26, 2025NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Other(J)Indirect4.1K shares- - Mar 26, 2025NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Sale(S)Indirect983 shares at avg. $19.13$19K - Mar 26, 2025NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
In-the-Money(X)Indirect79.7K shares at avg. $12.00$956K - Mar 26, 2025NTHI
NEONC TECHNOLOGIES HOLDINGS, INC.
Sale(S)Indirect38.3K shares at avg. $25.00$956K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 14, 2026 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 5,242 | $3.81 | $19,998 | Indirect |
| Sep 11, 2026 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 5,556 | $3.60 | $20,002 | Indirect |
| Aug 18, 2026 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 12,757 | $5.49 | $69,998 | Indirect |
| Aug 17, 2026 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 2,472 | $4.04 | $9,998 | Direct |
| Aug 14, 2026 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 33,787 | $3.85 | $130,002 | Direct |
| Apr 24, 2026 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 10,000 | $4.80 | $48,000 | Indirect |
| Apr 10, 2026 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 948 | $5.17 | $4,899 | Indirect |
| May 22, 2025 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 2,709 | $7.38 | $20,000 | Direct |
| May 21, 2025 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 2,759 | $7.25 | $20,002 | Direct |
| May 12, 2025 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Purchase(P) | 400 | $7.00 | $2,800 | Direct |
| Mar 26, 2025 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Other(J) | 4,076 | - | - | Indirect |
| Mar 26, 2025 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Sale(S) | 983 | $19.13 | $18,805 | Indirect |
| Mar 26, 2025 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | In-the-Money(X) | 79,688 | $12.00 | $956,256 | Indirect |
| Mar 26, 2025 | NTHI NEONC TECHNOLOGIES HOLDINGS, INC. | Sale(S) | 38,250 | $25.00 | $956,250 | Indirect |
1-14 of 14 transactions
About CHEN THOMAS C
CHEN THOMAS C (SEC CIK 0001998682) files insider reports with the SEC as CEO of NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI).
Signal8 holds 10 ownership filings by CHEN THOMAS C (1 Form 3, 9 Form 4), filed between Mar 25, 2025 and Sep 15, 2026. Those filings report 14 transactions, from Mar 26, 2025 to Sep 14, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on CHEN THOMAS C's filings is in CALABASAS, CA.
Recent filings by CHEN THOMAS C
- Sep 14, 2026: Open-market purchase of NTHI shares (Form 4, code P).
- Sep 11, 2026: Open-market purchase of NTHI shares (Form 4, code P).
- Aug 18, 2026: Open-market purchase of NTHI shares (Form 4, code P).
- Aug 17, 2026: Open-market purchase of NTHI shares (Form 4, code P).
- Aug 14, 2026: Open-market purchase of NTHI shares (Form 4, code P).
Other insiders filing for NEONC TECHNOLOGIES HOLDINGS, INC. (NTHI)
- ALABEDIN ALI MOHAMMAD AHMAD MOHAMMAD, Director
- GARNETT KEITHLY, CFO
- Heshmatpour Amir F, CEO, President
- SHOMALI NASIM, Director
- Neman-Ebrahim Yousha, Chief Clinical Officer
- SUH, DAVID JR., Chief Accounting Officer