1 unchanged sentence
Trading Arrangements
−Removed: During the three-months ended June 30, 2025, an officer (as defined in Rule 16a-1(f) under the Exchange Act) terminated the contract, instruction or written plan for the sale of our securities set forth in the table below:
+Added: During the three-months ended September 30, 2025, an officer (as defined in Rule 16a-1(f) under the Exchange Act) adopted a contract, instruction or written plan for the sale of our securities set forth in the table below:
Type of Trading Arrangement
3 unchanged sentences
Christine Zedelmayer , Chief Operating Officer
−Removed: Termination (3)
−Removed: July 19, 2025
+Added: August 27, 2025
+Added: August 27, 2026
(1) Contract, instruction or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.
(2) “ No n-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K under the Exchange Act.
−Removed: (3) Represents the termination of a written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) adopted on December 12, 2023 .
+Added: (3) Represents the adoption of a written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) adopted on December 12, 2023.
The following exhibits are filed as part of, or incorporated by reference into this Quarterly Report on Form 10-Q.
9 unchanged sentences
Form of Warrant, issued February 5, 2021, incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 4, 2021.
−Removed: Registration Rights Agreement, dated August 12, 2025, by and between the Registrant and the investors named therein.
+Added: Registration Rights Agreement, dated August 12, 2025, by and between the Registrant and the investors named therein, incorporated by reference to Exhibit 4.5 of the Registrant's Quarterly Repot on Form 10-Q, filed with the Securities and Exchange Commission on August 14, 2025.
Form of Pre-Funded Warrant to Purchase Common Stock, incorporated by reference to Exhibit 4.2 of the Registrant's Current Report on Form 8-K, filed with the Securities and Exchange Commission on August 11, 2025 .
16 unchanged sentences
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
−Removed: August 14, 2025
+Added: November 13, 2025
EQUILLIUM, INC.
−Removed: President and Chief Executive Officer
+Added: Chief Executive Officer
(Principal Executive Officer and Principal Financial Officer)
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.