2 unchanged sentences
From time to time, our officers (as defined in Rule 16a–1(f)) and directors may enter into Rule 10b5-1 or non-Rule 10b5-1 trading arrangements (as each such term is defined in Item 408 of Regulation S-K).
−Removed: During the three months ended March 31, 2026, none of the Company’s directors or officers adopted , modified or terminated a plan or other arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or any non-Rule 10b5-1 trading arrangements (as defined in Item 408(c) of Regulation S-K).
+Added: During the three months ended June 30, 2026, none of the our directors or officers adopted , modified or terminated a plan or other arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or any non-Rule 10b5-1 trading arrangements (as defined in Item 408(c) of Regulation S-K).
(a) Exhibits.
3 unchanged sentences
Second Amended and Restated Bylaws of Prime Medicine, Inc.
−Removed: Third Amended and Restated Non-Employee Director Compensation Policy
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.
19 unchanged sentences
/s/ Allan Reine
−Removed: May 7, 2026 Allan Reine
+Added: August 6, 2026 Allan Reine
Chief Executive Officer
(Principal Executive Officer)
−Removed: May 7, 2026 By:
+Added: August 6, 2026 By:
/s/ Svetlana Ni Makhni
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.