Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Other Events
Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On October 27, 2026, Edward Mathers notified the Board of Directors (the "Board") of Senti Biosciences Holdings, Inc. (the "Company") of his decision to resign from the Board, effective immediately. In connection with his resignation from the Board, Mr.…
Filed Oct 27, 2026Accepted Oct 27, 2026, 4:38 PM EDTCIK 1854270Accession 0001628280-26-067624
SENTI-202 is a First-in-Class Off-the-Shelf Logic Gated Selective CD33 OR FLT3 NOT EMCN CAR NK Cell Therapy product candidate designed to selectively target and eliminate CD33 and/or FLT3-expressing hematologic malignancies, such as AML and myelodysplastic syndrome (“MDS”), while sparing healthy bone marrow cells. SENTI-202 has three main components. First, SENTI-202 contains an OR GATE (providing a “kill” signal), which is an activating CAR that recognizes CD33 and/or FLT3. By targeting either or both of these antigens, SENTI-202 is designed to effectively kill both leukemic blasts and leukemia stem cells, which constitute a difficult-to-eradicate reservoir of AML disease. Second, SENTI-202 contains a NOT GATE (providing a “protect” signal), which is an inhibitory CAR that is designed to recognize healthy cells and protect those healthy cells from being killed, even if they were to express CD33 and/or FLT3, thus potentially widening the therapeutic window. Third, SENTI-202 contains calibrated-release IL-15 (providing an “enhance” signal), which is designed to significantly increase cell persistence, expansion and activity of both the CAR-NK cells and host immune cells. The NK cells used to manufacture SENTI-202 are sourced from selected healthy adult donors.. Senti Bio is currently enrolling adult patients with R/R CD33 and/or FLT3-expressing heme malignancies in a Phase 1 clinical trial for SENTI-202, which can be a potential first-in-class allogeneic off-the-shelf treatmen
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Item 5.02Item 5.02 - Departure/Election of Directors
Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On October 27, 2026, Edward Mathers notified the Board of Directors (the "Board") of Senti Biosciences Holdings, Inc. (the "Company") of his decision to resign from the Board, effective immediately. In connection with his resignation from the Board, Mr. Mathers also resigned from all committees of the Board on which he served, effective immediately. The Company thanks Mr. Mathers for his valuable contributions and dedicated service to the Company and the Board and wishes him the best in his future endeavors.
Item 8.01Item 8.01 - Other Events
Item 8.01. Other Events.
On October 26, 2026, the Board of Directors of Senti Biosciences Holdings, Inc., a Delaware corporation (the “Company”), fixed the close of business on October 30, 2026 as the record date for the Company’s previously announced distribution of contingent value rights (“CVRs”) in connection with the closing on October 21, 2026 of the transactions contemplated by the Agreement and Plan of Merger, dated as of July 14, 2026, by and among the Company, Senti Holdings, Inc., a wholly owned subsidiary of the Company (“Midco”), Senti Biosciences, Inc., a Delaware corporation and wholly owned subsidiary of Midco, ST NewCo Limited (f/k/a Celadon Partners SPV 35 Limited), and Senti Merger Sub, Inc.