Insider · CIK 0001998682

CHEN THOMAS C

Reports to the SEC for 1 company · CALABASAS, CA

sec.gov

Transactions

Companies

Filings

CIK

0001998682

Forms 4 and 5

Insider transactions

23 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-14	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+5,242 sh	$3.81	+$20K	24,503
2026-09-11	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+5,556 sh	$3.60	+$20K	19,261
2026-08-18	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+12.8K sh	$5.49	+$70K	13,705
2026-08-17	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+2,472 sh	$4.04	+$9,998.004	583,531
2026-08-17	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+2,472 sh	$4.04	+$9,998.004	583,531
2026-08-14	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+33.8K sh	$3.85	+$130K	581,059
2026-08-14	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+33.8K sh	$3.85	+$130K	581,059
2026-04-24	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+10K sh	$4.80	+$48K	10,000
2026-04-10	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+948 sh	$5.17	+$4,898.98	948
2025-05-22	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+2,709 sh	$7.38	+$20K	551,668
2025-05-21	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+2,759 sh	$7.25	+$20K	548,959
2025-05-12	NTHINEONC TECHNOLOGIES HOLDINGS, INC.P Purchase	Director, CEO, 10% Owner	PPurchase	+400 sh	$7.00	+$2,800	546,200
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.J Other	Director, CEO, 10% Owner	JOther	−4,076 sh	—	—	220,787
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC. · Warrant (right to buy)X Exercise of In-Money	Director, CEO, 10% Owner	XExercise of In-Money	−79.7K sh	—	—	0
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.S Sale	Director, CEO, 10% Owner	SSale	−983 sh	$19.13	−$18.8K	261,242
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.S Sale	Director, CEO, 10% Owner	SSale	−38.3K sh	$25.00	−$956K	262,225
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.X Exercise of In-Money	Director, CEO, 10% Owner	XExercise of In-Money	+79.7K sh	$12.00	+$956K	300,475
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.J Other	Director, CEO, 10% Owner	JOther	−4,076 sh	—	—	220,787
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC. · Warrant (right to buy)X Exercise of In-Money	Director, CEO, 10% Owner	XExercise of In-Money	−79.7K sh	—	—	0
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.S Sale	Director, CEO, 10% Owner	SSale	−983 sh	$19.13	−$18.8K	261,242
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.S Sale	Director, CEO, 10% Owner	SSale	−38.3K sh	$25.00	−$956K	262,225
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.X Exercise of In-Money	Director, CEO, 10% Owner	XExercise of In-Money	+79.7K sh	$12.00	+$956K	300,475
2025-03-26	NTHINEONC TECHNOLOGIES HOLDINGS, INC.J Other	Director, CEO, 10% Owner	JOther	−4,076 sh	—	—	220,787

Recent filings

Accepted (ET)
Sep 154
CHEN THOMAS C0001213900-26-100266
SEC(opens sec.gov)
Aug 204/A
CHEN THOMAS C0001213900-26-092276
SEC(opens sec.gov)
Aug 204
CHEN THOMAS C0001213900-26-092277
SEC(opens sec.gov)
Aug 184
CHEN THOMAS C0001213900-26-091231
SEC(opens sec.gov)
Jun 54/A
CHEN THOMAS C0001213900-25-051685
SEC(opens sec.gov)
May 234
CHEN THOMAS C0001213900-25-047511
SEC(opens sec.gov)
May 194
CHEN THOMAS C0001213900-25-045595
SEC(opens sec.gov)
Apr 84/A
CHEN THOMAS C0001213900-25-030062
SEC(opens sec.gov)

Companies

NEONC TECHNOLOGIES HOLDINGS, INC.Director, CEO, 10% OwnerNTHI

Address

23975 SORRENTO PARK SUITE 205

CALABASAS, CA, 91302