United Kingdom Biotechnology & Medical Research

Oxford Biomedica PLC (OXB)

Track

Track

Oxford Biomedica PLC experienced multiple insider trading transactions during May 2026, with the most recent activity occurring on May 22. Executives, including the Chief People Officer and Chief Legal Officer, executed several sales of company shares. These divestments represent the latest recorded movements by management within the firm.
Ticker: OXB Exchange: LSE
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Oxford Biomedica PLC. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.5
Lisa Doman Chief People Officer Officer
Transaction date
Sale
Price
207.04
Quantity 39,268
Value £2,561,028
2.3
Natalie Walter Chief Legal Officer and Group Company Secretary Officer
Transaction date
Sale
Price
482.94
Quantity 24,250
Value £1,059,102
Kathleen Miller PDMR
Transaction date
Sale
Price
386.96
Quantity 4,583
Value £3,013,795
3.5
Lisa Doman Chief People Officer Officer
Transaction date
Sale
Price
6.35
Quantity 13,300
Value £84,455
2.3
Natalie Walter Chief Legal Officer and Group Company Secretary Officer
Transaction date
Sale
Price
6.39
Quantity 3,057
Value £19,546
Kyriacos Mitrophanous Person Discharging Managerial Responsibility Officer
Transaction date
Sale
Price
6.23
Quantity 3,057
Value £19,046
3.5
Lisa Doman Person Discharging Managerial Responsibility Officer
Transaction date
Sale
Price
6.23
Quantity 3,057
Value £19,046
Kyriacos Mitrophanous Chief Innovation Officer Officer
Through Pippa Radcliffe, a closely affiliated person
Transaction date
Sale
Price
3.00
Quantity 1,841
Value £5,524
Kyriacos Mitrophanous Chief Innovation Officer Officer
Through Pippa Radcliffe, a closely affiliated person
Transaction date
Sale
Price
3.00
Quantity 274
Value £822
3.7
Dr. Michael Hayden Non-Executive Director Executive Director
Transaction date
Purchase
Price
1.93
Quantity 10,000
Value £19,281
0.5
Namrata Patel Non-Executive Director Executive Director
Transaction date
Purchase
Price
2.99
Quantity 1,670
Value £4,993
3.7
Michael Hayden Non-Executive Director Executive Director
Through Sandra Juliet Ferera Hayden, a closely affiliated person
Transaction date
Purchase
Price
2.94
Quantity 12,000
Value £35,220
Leone Patterson Non-Executive Director Executive Director
Transaction date
Purchase
Price
2.91
Quantity 6,598
Value £19,167
1.5
Nick Page Chief Operations Officer Officer
Transaction date
Sale
Price
2.74
Quantity 24,052
Value £65,782
Matthew Treagus Chief Information Officer and Chief of Staff Officer
Transaction date
Purchase
Price
2.59
Quantity 3,842
Value £9,943
1.5
Nick Page Chief Operations Officer Officer
Transaction date
Purchase
Price
2.56
Quantity 11,678
Value £29,837
Sebastien Ribault Chief Commercial Officer Officer
Transaction date
Purchase
Price
2.75
Quantity 1,500
Value £4,125
Stuart Henderson Non-Executive Director Executive Director
Transaction date
Purchase
Price
2.75
Quantity 1,000
Value £2,750
3.6
Catherine Moukheibir Non-Executive Director Executive Director
Transaction date
Purchase
Price
2.74
Quantity 7,226
Value £19,821
Leone Patterson Non-Executive Director Executive Director
Transaction date
Purchase
Price
2.74
Quantity 5,849
Value £16,053
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-22 2026-05-22 S Sale
3.5
Lisa Doman

Chief People Officer

Officer
39,268
207.04
£2,561,028 		39,268 207.04 £2,561,028
2026-05-22 2026-05-22 S Sale
2.3
Natalie Walter

Chief Legal Officer and Group Company Secretary

Officer
24,250
482.94
£1,059,102 		24,250 482.94 £1,059,102
2026-05-19 2026-05-18 S Sale
Kathleen Miller

PDMR
4,583
386.96
£3,013,795 		4,583 386.96 £3,013,795
2026-05-13 2026-05-12 S Sale
3.5
Lisa Doman

Chief People Officer

Officer
13,300
6.35
£84,455 		13,300 6.35 £84,455
2026-05-13 2026-05-12 S Sale
2.3
Natalie Walter

Chief Legal Officer and Group Company Secretary

Officer
3,057
6.39
£19,546 		3,057 6.39 £19,546
2025-12-08 2025-12-08 S Sale Kyriacos Mitrophanous

Person Discharging Managerial Responsibility

Officer
3,057
6.23
£19,046 		3,057 6.23 £19,046
2025-12-08 2025-12-08 S Sale
3.5
Lisa Doman

Person Discharging Managerial Responsibility

Officer
3,057
6.23
£19,046 		3,057 6.23 £19,046
2024-07-03 2024-07-02 S Sale Kyriacos Mitrophanous

Chief Innovation Officer

Through Pippa Radcliffe, a closely affiliated person Officer
1,841
3.00
£5,524 		1,841 3.00 £5,524
2024-06-27 2024-06-25 S Sale Kyriacos Mitrophanous

Chief Innovation Officer

Through Pippa Radcliffe, a closely affiliated person Officer
274
3.00
£822 		274 3.00 £822
2023-11-14 2023-11-13 B Purchase
3.7
Dr. Michael Hayden

Non-Executive Director

Executive Director
10,000
1.93
£19,281 		10,000 1.93 £19,281
2023-10-11 2023-10-09 B Purchase
0.5
Namrata Patel

Non-Executive Director

Executive Director
1,670
2.99
£4,993 		1,670 2.99 £4,993
2023-09-27 2023-09-26 B Purchase
3.7
Michael Hayden

Non-Executive Director

Through Sandra Juliet Ferera Hayden, a closely affiliated person Executive Director
12,000
2.94
£35,220 		12,000 2.94 £35,220
2023-09-26 2023-09-26 B Purchase Leone Patterson

Non-Executive Director

Executive Director
6,598
2.91
£19,167 		6,598 2.91 £19,167
2023-09-22 2023-09-21 S Sale
1.5
Nick Page

Chief Operations Officer

Officer
24,052
2.74
£65,782 		24,052 2.74 £65,782
2023-09-20 2023-09-20 B Purchase Matthew Treagus

Chief Information Officer and Chief of Staff

Officer
3,842
2.59
£9,943 		3,842 2.59 £9,943
2023-09-20 2023-09-20 B Purchase
1.5
Nick Page

Chief Operations Officer

Officer
11,678
2.56
£29,837 		11,678 2.56 £29,837
2023-09-20 2023-09-20 B Purchase Sebastien Ribault

Chief Commercial Officer

Officer
1,500
2.75
£4,125 		1,500 2.75 £4,125
2023-09-20 2023-09-20 B Purchase Stuart Henderson

Non-Executive Director

Executive Director
1,000
2.75
£2,750 		1,000 2.75 £2,750
2023-09-20 2023-09-20 B Purchase
3.6
Catherine Moukheibir

Non-Executive Director

Executive Director
7,226
2.74
£19,821 		7,226 2.74 £19,821
2023-09-20 2023-09-20 B Purchase Leone Patterson

Non-Executive Director

Executive Director
5,849
2.74
£16,053 		5,849 2.74 £16,053
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