Centessa Pharmaceuticals plc — Director's Dealing 2021

Jun 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Centessa Pharmaceuticals plc (CNTA)
CIK: 0001847903
Period of Report: 2021-06-02

Reporting Person: Medicxi Ventures Management (Jersey) Ltd (10% Owner)
Reporting Person: Medicxi Growth I LP (10% Owner)
Reporting Person: Medicxi Growth Co-Invest I LP (10% Owner)
Reporting Person: Medicxi Growth I GP Ltd (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-02	Ordinary Shares	C	1886990	—	Acquired	3155532	Indirect
2021-06-02	Ordinary Shares	C	44828	—	Acquired	74964	Indirect
2021-06-02	Ordinary Shares	P	586077	$20.00	Acquired	3741609	Indirect
2021-06-02	Ordinary Shares	P	13923	$20.00	Acquired	88887	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-02	Series A Preferred Shares	$	C	1886990	Disposed		Ordinary Shares (1886990)	Indirect
2021-06-02	Series A Preferred Shares	$	C	44828	Disposed		Ordinary Shares (44828)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	4398519	Indirect
Ordinary Shares	55677	Indirect
Ordinary Shares	9403092	Indirect
Ordinary Shares	236108	Indirect

Footnotes

F1: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

F2: Immediately prior to the closing of the initial public offering, the Series A Preferred Shares automatically converted on a one-to-one basis into Ordinary Shares without payment or further consideration. The Series A Preferred Shares had no expiration date.

F3: Held by Medicxi Growth I LP, a Jersey limited partnership ("Medicxi Growth I"). Medicxi Growth I GP Limited, a Jersey limited liability company ("MGI GP"), is the sole managing general partner of Medicxi Growth I, and Medicxi Ventures Management (Jersey) Limited, a Jersey limited liability company ("Medicxi Manager") is the sole manager of Medicxi Growth I. The Reporting Person is a member of the board of directors of Medicxi Manager. The Reporting Person disclaims Section 16 beneficial ownership of the securities held by Medicxi Growth I, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose.

F4: Held by Medicxi Growth Co-Invest I LP, a Jersey limited partnership ("Medicxi Growth Co-Invest I"). MGI GP is the sole managing general partner of Medicxi Growth Co-Invest I, and Medicxi Manager is the sole manager of Medicxi Growth Co-Invest I. The Reporting Person is a member of the board of directors of Medicxi Manager. The Reporting Person disclaims Section 16 beneficial ownership of the securities held by Medicxi Growth Co-Invest I, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose.

F5: Held by Medicxi Ventures I LP, a Jersey limited partnership ("Medicxi Ventures I"). Medicxi Ventures I GP Limited, a Jersey limited liability company ("MVI GP"), is the sole managing general partner of Medicxi Ventures I, and Medicxi Manager is the sole manager of Medicxi Ventures I. The Reporting Person is a member of the board of directors of Medicxi Manager. The Reporting Person disclaims Section 16 beneficial ownership of the securities held by Medicxi Ventures I, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose.

F6: Held by Medicxi Co-Invest I LP, a Jersey limited partnership ("Medicxi Co-Invest I"). MVI GP is the sole managing general partner of Medicxi Co-Invest I, and Medicxi Manager is the sole manager of Medicxi Co-Invest I. The Reporting Person is a member of the board of directors of Medicxi Manager. The Reporting Person disclaims Section 16 beneficial ownership of the securities held by Medicxi Co-Invest I, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose.

F7: Held by Medicxi Secondary I LP, a Jersey limited partnership ("Medicxi Secondary I"). Medicxi Secondary I GP Limited, a Jersey limited liability company ("MSI GP"), is the sole managing general partner of Medicxi Secondary I, and Medicxi Manager is the sole manager of Medicxi Secondary I. The Reporting Person is a member of the board of directors of Medicxi Manager. The Reporting Person disclaims Section 16 beneficial ownership of the securities held by Medicxi Secondary I, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose.

F8: Held by Medicxi Secondary Co-Invest I LP, a Jersey limited partnership ("Medicxi Secondary Co-Invest I"). MSI GP is the sole managing general partner of Medicxi Secondary Co-Invest I, and Medicxi Manager is the sole manager of and Medicxi Secondary Co-Invest I. The Reporting Person is a member of the board of directors of Medicxi Manager. The Reporting Person disclaims Section 16 beneficial ownership of the securities held by Medicxi Secondary Co-Invest I, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose.