Stocks · Health care · Pharmaceutical Preparations

Summit Therapeutics Inc.

SMMT Clue Score37
United States Fiscal year ends December CIK 0001599298
$17.59 +2.45% Close, 9 Oct 2026

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
17.59 on 9 Oct 2026
26 19 12 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $22.93 14 Oct 2025 $21.75 15 Oct 2025 $22.64 16 Oct 2025 $21.97 17 Oct 2025 $20.99 20 Oct 2025 $20.04 21 Oct 2025 $18.74 22 Oct 2025 $19.16 23 Oct 2025 $18.75 24 Oct 2025 $19.28 27 Oct 2025 $19.46 28 Oct 2025 $19.23 29 Oct 2025 $18.66 30 Oct 2025 $18.64 31 Oct 2025 $18.91 3 Nov 2025 $18.22 4 Nov 2025 $17.49 5 Nov 2025 $18.07 6 Nov 2025 $18.45 7 Nov 2025 $18.18 10 Nov 2025 $18.30 11 Nov 2025 $19.16 12 Nov 2025 $18.83 13 Nov 2025 $18.26 14 Nov 2025 $18.03 17 Nov 2025 $16.95 18 Nov 2025 $16.81 19 Nov 2025 $16.56 20 Nov 2025 $16.45 21 Nov 2025 $16.19 24 Nov 2025 $17.84 25 Nov 2025 $17.64 26 Nov 2025 $17.82 28 Nov 2025 $17.89 1 Dec 2025 $17.26 2 Dec 2025 $17.25 3 Dec 2025 $18.37 4 Dec 2025 $18.81 5 Dec 2025 $18.31 8 Dec 2025 $18.63 9 Dec 2025 $17.02 10 Dec 2025 $17.94 11 Dec 2025 $17.99 12 Dec 2025 $17.57 15 Dec 2025 $17.38 16 Dec 2025 $17.23 17 Dec 2025 $17.01 18 Dec 2025 $17.04 19 Dec 2025 $17.82 22 Dec 2025 $18.15 23 Dec 2025 $18.12 24 Dec 2025 $18.38 26 Dec 2025 $18.14 29 Dec 2025 $17.78 30 Dec 2025 $17.49 31 Dec 2025 $17.49 2 Jan 2026 $17.52 5 Jan 2026 $17.44 6 Jan 2026 $18.66 7 Jan 2026 $19.01 8 Jan 2026 $18.83 9 Jan 2026 $19.68 12 Jan 2026 $17.04 13 Jan 2026 $16.81 14 Jan 2026 $17.65 15 Jan 2026 $17.27 16 Jan 2026 $17.04 20 Jan 2026 $16.06 21 Jan 2026 $16.85 22 Jan 2026 $17.37 23 Jan 2026 $16.49 26 Jan 2026 $16.56 27 Jan 2026 $15.90 28 Jan 2026 $15.64 29 Jan 2026 $15.40 30 Jan 2026 $14.48 2 Feb 2026 $14.06 3 Feb 2026 $14.59 4 Feb 2026 $14.42 5 Feb 2026 $13.85 6 Feb 2026 $14.99 9 Feb 2026 $14.97 10 Feb 2026 $15.25 11 Feb 2026 $15.25 12 Feb 2026 $14.63 13 Feb 2026 $14.96 17 Feb 2026 $15.68 18 Feb 2026 $15.88 19 Feb 2026 $15.87 20 Feb 2026 $15.94 23 Feb 2026 $16.09 24 Feb 2026 $16.12 25 Feb 2026 $15.68 26 Feb 2026 $15.80 27 Feb 2026 $16.59 2 Mar 2026 $16.19 3 Mar 2026 $15.11 4 Mar 2026 $15.38 5 Mar 2026 $14.94 6 Mar 2026 $15.11 9 Mar 2026 $15.72 10 Mar 2026 $16.33 11 Mar 2026 $16.08 12 Mar 2026 $15.46 13 Mar 2026 $16.12 16 Mar 2026 $16.18 17 Mar 2026 $15.85 18 Mar 2026 $15.60 19 Mar 2026 $15.72 20 Mar 2026 $15.51 23 Mar 2026 $15.60 24 Mar 2026 $15.54 25 Mar 2026 $17.94 26 Mar 2026 $17.26 27 Mar 2026 $16.58 30 Mar 2026 $16.98 31 Mar 2026 $18.96 1 Apr 2026 $18.92 2 Apr 2026 $19.38 6 Apr 2026 $18.69 7 Apr 2026 $19.22 8 Apr 2026 $18.81 9 Apr 2026 $19.31 10 Apr 2026 $19.67 13 Apr 2026 $20.03 14 Apr 2026 $20.85 15 Apr 2026 $21.12 16 Apr 2026 $24.42 17 Apr 2026 $25.15 20 Apr 2026 $25.12 21 Apr 2026 $26.38 22 Apr 2026 $24.58 23 Apr 2026 $22.27 24 Apr 2026 $22.08 27 Apr 2026 $22.12 28 Apr 2026 $21.26 29 Apr 2026 $20.83 30 Apr 2026 $21.46 1 May 2026 $16.12 4 May 2026 $16.98 5 May 2026 $17.54 6 May 2026 $17.85 7 May 2026 $17.15 8 May 2026 $18.08 11 May 2026 $18.66 12 May 2026 $18.95 13 May 2026 $18.79 14 May 2026 $18.14 15 May 2026 $16.87 18 May 2026 $16.02 19 May 2026 $15.85 20 May 2026 $17.89 21 May 2026 $17.47 22 May 2026 $16.62 26 May 2026 $17.00 27 May 2026 $17.36 28 May 2026 $17.41 29 May 2026 $17.54 1 Jun 2026 $15.71 2 Jun 2026 $14.86 3 Jun 2026 $15.07 4 Jun 2026 $14.84 5 Jun 2026 $14.77 8 Jun 2026 $14.11 9 Jun 2026 $14.29 10 Jun 2026 $13.05 11 Jun 2026 $13.08 12 Jun 2026 $14.01 15 Jun 2026 $14.13 16 Jun 2026 $13.88 17 Jun 2026 $14.07 18 Jun 2026 $13.75 22 Jun 2026 $14.28 23 Jun 2026 $14.25 24 Jun 2026 $14.25 25 Jun 2026 $14.18 26 Jun 2026 $14.01 29 Jun 2026 $14.32 30 Jun 2026 $14.57 1 Jul 2026 $14.38 2 Jul 2026 $15.42 6 Jul 2026 $15.93 7 Jul 2026 $15.88 8 Jul 2026 $15.69 9 Jul 2026 $15.48 10 Jul 2026 $15.25 13 Jul 2026 $15.30 14 Jul 2026 $15.47 15 Jul 2026 $15.07 16 Jul 2026 $13.76 17 Jul 2026 $13.81 20 Jul 2026 $13.50 21 Jul 2026 $14.63 22 Jul 2026 $14.74 23 Jul 2026 $14.98 24 Jul 2026 $13.66 27 Jul 2026 $13.11 28 Jul 2026 $12.55 29 Jul 2026 $12.80 30 Jul 2026 $13.44 31 Jul 2026 $13.02 3 Aug 2026 $13.05 4 Aug 2026 $13.76 5 Aug 2026 $13.53 6 Aug 2026 $13.54 7 Aug 2026 $13.96 10 Aug 2026 $14.87 11 Aug 2026 $15.12 12 Aug 2026 $15.10 13 Aug 2026 $14.00 14 Aug 2026 $13.35 17 Aug 2026 $12.78 18 Aug 2026 $12.82 19 Aug 2026 $13.11 20 Aug 2026 $12.43 21 Aug 2026 $13.16 24 Aug 2026 $12.73 25 Aug 2026 $13.36 26 Aug 2026 $14.23 27 Aug 2026 $14.33 28 Aug 2026 $13.73 31 Aug 2026 $13.62 1 Sep 2026 $14.16 2 Sep 2026 $14.60 3 Sep 2026 $17.13 4 Sep 2026 $17.61 8 Sep 2026 $17.28 9 Sep 2026 $17.54 10 Sep 2026 $17.00 11 Sep 2026 $17.55 14 Sep 2026 $18.42 15 Sep 2026 $17.40 16 Sep 2026 $17.30 17 Sep 2026 $17.72 18 Sep 2026 $17.85 21 Sep 2026 $16.90 22 Sep 2026 $17.12 23 Sep 2026 $16.45 24 Sep 2026 $16.38 25 Sep 2026 $15.61 28 Sep 2026 $15.48 29 Sep 2026 $16.39 30 Sep 2026 $16.91 1 Oct 2026 $16.69 2 Oct 2026 $16.76 5 Oct 2026 $17.27 6 Oct 2026 $17.31 7 Oct 2026 $17.95 8 Oct 2026 $17.17 9 Oct 2026 $17.59 Zanganeh Mahkam Co-Chief Executive Officer Bought $499.98K 21 Oct 2025 · at $18.74 · 53.4% of stake DUGGAN ROBERT W Co-Chief Executive Officer Bought $499.98K 21 Oct 2025 · at $18.74 · 53.4% of stake Xia Yu Director Bought $10.00M 21 Oct 2025 · at $18.74 · 1.7% of stake Soni Manmeet Singh COO and CFO Bought $722.25K 4 Jun 2026 · at $14.45 · 1.6% of stake Zanganeh Mahkam Co-Chief Executive Officer Bought $1.46M 4 Jun 2026 · at $14.60 · 0.4% of stake DUGGAN ROBERT W Co-Chief Executive Officer Bought $1.46M 4 Jun 2026 · at $14.60 · 0.4% of stake DUGGAN ROBERT W Co-Chief Executive Officer Bought $49.99M 12 Jun 2026 · at $13.12 · 0.7% of stake Zanganeh Mahkam Co-Chief Executive Officer Bought $49.99M 12 Jun 2026 · at $13.12 · 0.7% of stake
8 buys0 sales at will0 planned sales

Key numbers

Fiscal year 2024, ended 31 Dec 2024, as filed
Revenue
$0.00
Net income
$221.32M
Free cash flow
$142.25M
Return on equity
-56.9%
Return on capital
-45.9%

Revenue and profit

Fiscal years, as filed with the SEC · point at a year for the detail
Full statements →
860K -53M FY20 Fiscal year 2020 Revenue $860.00K Net income $52.70M Margin -6,127.6% 2M -89M FY21 Fiscal year 2021 Revenue $1.81M Net income $88.60M Margin -4,897.8% · growth +110.3% 705K -79M FY22 Fiscal year 2022 Revenue $705.00K Net income $78.78M Margin -11,174.8% · growth -61.0% 0K -615M FY23 Fiscal year 2023 Revenue $0.00 Net income $614.93M Margin n/a · growth -100.0% 0K -221M FY24 Fiscal year 2024 Revenue $0.00 Net income $221.32M Margin n/a 0K -1.1B FY25 Fiscal year 2025 Revenue $0.00 Net income $1.08B Margin n/a
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
12 Jun 2026 Zanganeh Mahkam
Co-Chief Executive Officer
Bought $49.99M 0.7%
12 Jun 2026 DUGGAN ROBERT W
Co-Chief Executive Officer
Bought $49.99M 0.7%
4 Jun 2026 DUGGAN ROBERT W
Co-Chief Executive Officer
Bought $1.46M 0.4%
4 Jun 2026 Zanganeh Mahkam
Co-Chief Executive Officer
Bought $1.46M 0.4%
4 Jun 2026 Soni Manmeet Singh
COO and CFO
Bought $722.25K 1.6%
21 Oct 2025 Xia Yu
Director
Bought $10.00M 1.7%