United States Biotechnology & Medical Research

Summit Therapeutics PLC (SUMM)

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The most recent insider trading activity occurred on January 14, 2020, with a significant sell transaction by a Non-Executive Director. Prior to this, in July 2018, there were several sell transactions by Non-Executive Directors and a Non-Executive Chairman, alongside buy transactions from the Chief Executive Officer and Non-Executive Chairman. Earlier transactions in October 2018 also involved sell activity from a Non-Executive Director.

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Ticker: SUMM Exchange: LSE

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Trades

Robert W. Duggan

Non-Executive Director

1 sale — total 7,364,133 GBP

Sale 14 Jan 2020

Value £844,420.20 | Price 191.93 | Shares 11,826

Leopoldo Zambeletti

Non-Executive Director

1 sale — total 3,192 GBP

Sale 24 Oct 2018

Value £1,185,338.24 | Price 340.08 | Shares 15,112

Leopoldo Zambeletti

Non-Executive Director

1 sale — total 7,715 GBP

Sale 18 Jul 2018

Value £7,715.01 | Price 0.37 | Shares 21,137

Barry Price

Non-Executive Director

1 sale — total 7,715 GBP

Sale 18 Jul 2018

Value £7,715.01 | Price 0.37 | Shares 21,137

Frank Armstrong

Non-Executive Chairman

1 purchase — total 9,875 GBP

Buy 16 Jul 2018

Value £9,875.00 | Price 0.40 | Shares 25,000

Glyn Owain Edwards

Chief Executive Officer

1 purchase — total 57,000 GBP

Buy 13 Jul 2018

Value £57,000.00 | Price 0.38 | Shares 150,000

BLOCK IVAN E

1 sale — total 14,097 USD

Sale 25 Aug 2004

Value US$14,096.72 | Price 18.26 | Shares 772

BETTENDORF BLAISE B

SVP/Chief Financial Officer

1 sale — total 57,000 USD

Sale 18 Aug 2004

Value US$57,000.00 | Price 19.00 | Shares 3,000

BETTENDORF BLAISE B

SVP/Chief Financial Officer

1 sale — total 46,375 USD

Sale 16 Aug 2004

Value US$46,375.00 | Price 18.55 | Shares 2,500

BETTENDORF BLAISE B

SVP/Chief Financial Officer

1 sale — total 18,950 USD

Sale 3 Aug 2004

Value US$18,950.00 | Price 18.95 | Shares 1,000

FURMAN J EARLE JR

1 sale — total 8,170 USD

Sale 15 Jun 2004

Value US$8,170.00 | Price 19.00 | Shares 430

FURMAN J EARLE JR

1 sale — total 1,710 USD

Sale 14 Jun 2004

Value US$1,710.00 | Price 19.00 | Shares 90

BLOCK IVAN E

1 purchase — total 22,302 USD

Buy 7 Jun 2004

Value US$22,302.00 | Price 18.90 | Shares 1,180

FURMAN J EARLE JR

1 sale — total 18,810 USD

Sale 7 Jun 2004

Value US$18,810.00 | Price 18.81 | Shares 1,000

FURMAN J EARLE JR

1 sale — total 18,320 USD

Sale 2 Jun 2004

Value US$18,320.00 | Price 18.32 | Shares 1,000

BETTENDORF BLAISE B

SVP/Chief Financial Officer

1 sale — total 45,000 USD

Sale 30 Mar 2004

Value US$45,000.00 | Price 18.00 | Shares 2,500

BETTENDORF BLAISE B

SVP/Chief Financial Officer

1 sale — total 9,300 USD

Sale 2 Mar 2004

Value US$9,300.00 | Price 18.60 | Shares 500

FURMAN J EARLE JR

1 sale — total 90,000 USD

Sale 24 Feb 2004

Value US$90,000.00 | Price 18.00 | Shares 5,000

FURMAN J EARLE JR

1 sale — total 14,022 USD

Sale 23 Feb 2004

Value US$14,022.00 | Price 19.00 | Shares 738

HOUSER JOHN W

1 purchase — total 6,570 USD

Buy 6 Jan 2004

Value US$6,570.00 | Price 18.00 | Shares 365

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2020-01-15	2020-01-14	S Sale	Robert W. Duggan Non-Executive Director Executive Director	11,826 191.93 £844,420	11,826	191.93	£844,420
2018-10-24	2018-10-24	S Sale	Leopoldo Zambeletti Non-Executive Director Executive Director	15,112 340.08 £1,185,338	15,112	340.08	£1,185,338
2018-07-19	2018-07-18	S Sale	Leopoldo Zambeletti Non-Executive Director Executive Director	70,515 481.34 £4,640,334	70,515	481.34	£4,640,334
2018-07-19	2018-07-18	S Sale	Barry Price Non-Executive Director Executive Director	21,137 0.37 £7,715	21,137	0.37	£7,715
2018-07-17	2018-07-16	B Purchase	Frank Armstrong Non-Executive Chairman Director	25,000 0.40 £9,875	25,000	0.40	£9,875
2018-07-16	2018-07-13	B Purchase	Glyn Owain Edwards Chief Executive Officer Officer	150,000 0.38 £57,000	150,000	0.38	£57,000
2004-08-30	2004-08-25	S Sale	BLOCK IVAN E Non-Executive Director	772 -0.5% 18.26 US$14,097	772 -0.5%	18.26	US$14,097
2004-08-18	2004-08-18	S Sale	BETTENDORF BLAISE B SVP/Chief Financial Officer Officer	3,000 -3.8% 19.00 US$57,000	3,000 -3.8%	19.00	US$57,000
2004-08-17	2004-08-16	S Sale	BETTENDORF BLAISE B SVP/Chief Financial Officer Officer	2,500 -3.0% 18.55 US$46,375	2,500 -3.0%	18.55	US$46,375
2004-08-03	2004-08-03	S Sale	BETTENDORF BLAISE B SVP/Chief Financial Officer Officer	1,000 -1.5% 18.95 US$18,950	1,000 -1.5%	18.95	US$18,950
2004-06-15	2004-06-15	S Sale	FURMAN J EARLE JR Non-Executive Director	430 -0.6% 19.00 US$8,170	430 -0.6%	19.00	US$8,170
2004-06-15	2004-06-14	S Sale	FURMAN J EARLE JR Non-Executive Director	90 -0.1% 19.00 US$1,710	90 -0.1%	19.00	US$1,710
2004-06-08	2004-06-07	B Purchase	BLOCK IVAN E Non-Executive Director	1,180 +0.7% 18.90 US$22,302	1,180 +0.7%	18.90	US$22,302
2004-06-07	2004-06-07	S Sale	FURMAN J EARLE JR Non-Executive Director	1,000 -1.4% 18.81 US$18,810	1,000 -1.4%	18.81	US$18,810
2004-06-02	2004-06-02	S Sale	FURMAN J EARLE JR Non-Executive Director	1,000 -1.4% 18.32 US$18,320	1,000 -1.4%	18.32	US$18,320
2004-03-31	2004-03-30	S Sale	BETTENDORF BLAISE B SVP/Chief Financial Officer Officer	2,500 -3.7% 18.00 US$45,000	2,500 -3.7%	18.00	US$45,000
2004-03-03	2004-03-02	S Sale	BETTENDORF BLAISE B SVP/Chief Financial Officer Officer	500 -0.9% 18.60 US$9,300	500 -0.9%	18.60	US$9,300
2004-02-24	2004-02-24	S Sale	FURMAN J EARLE JR	5,000 -6.6% 18.00 US$90,000	5,000 -6.6%	18.00	US$90,000
2004-02-24	2004-02-23	S Sale	FURMAN J EARLE JR	738 -1.0% 19.00 US$14,022	738 -1.0%	19.00	US$14,022
2004-01-15	2004-01-06	B Purchase	HOUSER JOHN W Non-Executive Director	365 +0.4% 18.00 US$6,570	365 +0.4%	18.00	US$6,570