SMMT- Summit Therapeutics Inc.

Name: Summit Therapeutics Inc. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Summit Therapeutics Inc. (SMMT) has 10 insiders with recent SEC Form 4 filings, including 16 buys and 0 sells. SMMT is classified in the Biotechnology industry within the Health Care sector.

Insider Ownership

Role	Insider	Shares	Value	30d
CFO	Soni Manmeet Singh	3.07M	$54.19M	-
Dir	Xia Yu	35.0K	$617.0K	-
Dir	Huber Jeff	35.0K	$617.0K	-
Dir	Ronaghi Mostafa	35.0K	$617.0K	-
Dir	Clark Kenneth A	35.0K	$617.0K	-

Activity

Buys and sells only

Transactions

10 filings

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Oct 21, 2025	Xia Yu	Director	Buy	533,617	$18.74	$9,999,982.58	+1.7%	-14.3%	-
Oct 21, 2025	Duggan Robert W76	Co-chief Executive Officer	Buy	26,680	$18.74	$499,983.20	+53.4%	-14.3%	-
Oct 21, 2025	Zanganeh Mahkam84	Co-chief Executive Officer	Buy	26,680	$18.74	$499,983.20	+53.4%	-14.3%	-
Sep 11, 2025	Zanganeh Mahkam84	Co-chief Executive Officer	Buy	338,394	$17.69	$5,984,755.92	-	-3.5%	-
Sep 11, 2025	Duggan Robert W76	Co-chief Executive Officer	Buy	338,394	$17.69	$5,984,755.92	-	-3.5%	-
Mar 27, 2024	Zanganeh Mahkam84	Chief Executive Officer	Buy	110,321	$3.73	$411,094.12	+0.4%	+113.6%	+449.3%
Mar 26, 2024	Dhingra Ankur69	Chief Financial Officer	Buy	100,000	$3.75	$375,000.00	+39.2%	+113.9%	+431.8%
Dec 13, 2023	Dhingra Ankur69	Chief Financial Officer	Buy	20,400	$2.17	$44,254.00	+4.3%	+84.2%	+663.7%
Dec 12, 2023	Zanganeh Mahkam84	Chief Executive Officer	Buy	5,000	$2.07	$10,350.00	+1.0%	+95.5%	+753.2%
Oct 13, 2023	Soni Manmeet Singh	Chief Operating Officer	Buy	2,976,190	$1.68	$4,999,999.20	New	+76.8%	+1087.5%

Page 1Next →

Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC