QUODD

Insider Transactions last 24 months for Summit Therapeutics PLC - NSDQ: SMMT

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Duggan Robert W	Co-Chief Executive Officer	10/21/2025	AP	Indirect	COM	26,680	$18.74	$499,983.20	76,680
Duggan Robert W	Co-Chief Executive Officer	10/21/2025	AA	Indirect	COM	266,808	$18.74	$4,999,981.92	25,724,474
Duggan Robert W	Co-Chief Executive Officer	10/21/2025	AA	Direct	COM	13,980,789	$18.74	$261,999,985.86	570,073,879
Zanganeh Mahkam	Co-Chief Executive Officer	10/21/2025	AA	Indirect	COM	13,980,789	$18.74	$261,999,985.86	570,073,879
Zanganeh Mahkam	Co-Chief Executive Officer	10/21/2025	AP	Indirect	COM	26,680	$18.74	$499,983.20	76,680
Zanganeh Mahkam	Co-Chief Executive Officer	10/21/2025	AA	Indirect	COM	266,808	$18.74	$4,999,981.92	25,724,474
Soni Manmeet Singh	COO and CFO	10/21/2025	AA	Direct	COM	53,361	$18.74	$999,985.14	3,073,603
Anand Bhaskar	Chief Accounting Officer	10/21/2025	AA	Direct	COM	26,680	$18.74	$499,983.20	159,751
Xia Yu	Director	10/21/2025	AP	Indirect	COM	533,617	$18.74	$9,999,982.58	32,057,147
Duggan Robert W	Co-Chief Executive Officer	09/11/2025	AP	Direct	COM	5,000	$18.07	$90,350.00	556,093,090
Zanganeh Mahkam	Co-Chief Executive Officer	09/11/2025	AP	Indirect	COM	5,000	$18.07	$90,350.00	556,093,090
Duggan Robert W	Co-Chief Executive Officer	09/10/2025	AP	Direct	COM	333,394	$17.68	$5,894,405.92	556,088,090
Zanganeh Mahkam	Co-Chief Executive Officer	09/10/2025	AP	Indirect	COM	333,394	$17.68	$5,894,405.92	556,088,090
Duggan Robert W	Co-Chief Executive Officer	05/30/2025	AM	Direct	COM	74,545	$2.64	$196,798.80	555,754,696
Zanganeh Mahkam	Co-Chief Executive Officer	05/30/2025	AM	Indirect	COM	74,545	$2.64	$196,798.80	555,754,696
Duggan Robert W	Co-Chief Executive Officer	04/08/2025	AX	Direct	COM	3,985,055	$1.58	$6,296,386.90	555,680,151
Zanganeh Mahkam	Co-Chief Executive Officer	04/08/2025	AX	Indirect	COM	3,985,055	$1.58	$6,296,386.90	555,680,151
Zanganeh Mahkam	Co-Chief Executive Officer	10/03/2024	AX	Indirect	COM	315,681	$1.58	$498,775.98	10,199,776
Anand Bhaskar	Chief Accounting Officer	09/11/2024	AA	Direct	COM	22,026	$22.70	$499,990.20	131,426
Soni Manmeet Singh	COO and CFO	09/11/2024	AA	Direct	COM	44,052	$22.70	$999,980.40	3,020,242
Huber Jeff	Director	09/11/2024	AA	Indirect	COM	44,052	$22.70	$999,980.40	44,052
Duggan Robert W	Co-Chief Executive Officer	09/11/2024	AA	Direct	COM	3,325,991	$22.70	$75,499,995.70	551,695,096
Zanganeh Mahkam	Co-Chief Executive Officer	09/11/2024	AA	Indirect	COM	44,052	$22.70	$999,980.40	24,967,852

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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security \| D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) \| E = Expiration of short derivative position \| F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. \| G = Gift \| H = Expiration (or cancellation) of long derivative position with value received \| I = Discretionary transaction in accordance with Rule 16b-3(f) \| J = Other \| L = Small acquisition under Rule 16a-6 \| M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 \| O = Exercise of out-of-the-money derivative security \| P = Open market or private purchase \| S = Open market or private sale \| U = Disposition pursuant to a tender of shares in a change of control transaction \| W = Acquisition or disposition by will or the laws of descent and distribution \| X = Exercise of in-the-money or at-the-money derivative security \| Z = Deposit into or withdrawal from voting trust		Send to Excel

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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