ANDERSON KAREN M.

PrivateCIK: 1762176
Location

CHESHIRE, X0

ANDERSON KAREN M. (Chief People Officer) sold 54.6% of their position (74.81K shares) of CENTESSA PHARMACEUTICALS PLC on the open market

Open‑market sale worth $2.11M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderANDERSON KAREN M.CIK 1762176
Officer· Chief People Officer
Since Mar 2026
-74.81K
Net shares
Net seller
$2.11M
Total sold
2
Open market trades
0B · 2S
6
Total transactions
74.81K acquired · 149.62K disposed
Non-Derivative Transactions4

Ordinary Shares

Direct
M · Option Exercise

Shares

+64.77K

Price / share

$4.01

Trade value

$259.72K

% of position

104.3%
3/16/2026
62.09K126.85K

Ordinary Shares

Direct
S · Sale

Shares

64.77K

Price / share

$28.21

Trade value

$1.83M

% of position

51.1%
3/16/2026
126.85K62.09K

Ordinary Shares

Direct
M · Option Exercise

Shares

+10.04K

Price / share

$4.01

Trade value

$40.27K

% of position

16.2%
3/17/2026
62.09K72.13K

Ordinary Shares

Direct
S · Sale

Shares

10.04K

Price / share

$28.10

Trade value

$282.21K

% of position

13.9%
3/17/2026
72.13K62.09K
Total

Net shares

+0.00

Net value

-$1.81M

Derivative Transactions2

Share Option (right to buy)

Direct
M · Option Exercise
Converts to

Ordinary Shares

64.77K shares

Shares

64.77K

Strike price

4.01

Held after

85.04K

Exercisable

3/16/2026

Share Option (right to buy)

Direct
M · Option Exercise
Converts to

Ordinary Shares

10.04K shares

Shares

10.04K

Strike price

4.01

Held after

75K

Exercisable

3/17/2026
ANDERSON KAREN M. — Insider Transaction (Form 4) Filed Mar 18, 2026 | Finecho