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: CHAO DAVID M (Chief Administrative Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-02	Ordinary Shares	P	500	$20.00	Acquired	500	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-20	Share Option (right to buy)	$9.42	A	583728	Acquired	2031-04-20	Ordinary Shares (583728)	Direct

Footnotes

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

F2: On May 20, 2021, the Issuer effected a share capital reorganization, which had the effect of a one for two reverse share split of the Issuer's share capital ("Share Split"). This amount has been adjusted to give effect to the Share Split.

F3: This transaction occurred prior to the effectiveness of the Issuer's registration under Section 12 of the Securities Exchange Act of 1934 and is being reported on Form 4 solely for purposes of compliance with Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended. The securities covered by such transaction were previously included on the Reporting Person's Form 3

F4: 25% of the shares subject to such option shall vest and become exercisable on April 12, 2022 and the remaining 75% of the shares subject to such option shall vest and become exercisable in 36 monthly installments on the first day of each month thereafter.

F5: Represented A Ordinary Shares that were redesignated as Ordinary Shares immediately prior to the closing of the initial public offering.