1 unchanged sentence
Rule 10b5-1 Trading Plans
−Removed: None of our directors or officers (as defined in Rule 16a-1(f) of the Exchange Act adopted , modified, or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement during the fiscal quarter ended March 31, 2026.
+Added: None of our directors or officers (as defined in Rule 16a-1(f) of the Exchange Act) adopted , modified, or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement during the fiscal quarter ended June 30, 2026.
Exhibit Number Description
1 unchanged sentence
001-40367) filed with the Securities and Exchange Commission on May 10, 2021)
−Removed: 31.1* Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
−Removed: 31.2* Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
+Added: 31.1* Certification of Principal Executive Officer and Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1** Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C.
13 unchanged sentences
BARINTHUS BIOTHERAPEUTICS PLC
−Removed: April 30, 2026
+Added: August 6, 2026
/s/ William Enright
3 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.