Syndax amends Bylaws to move to uncertificated shares effective Dec 18, 2025

Syndax Pharmaceuticals Inc

Board approved Bylaw amendment on Dec 18, 2025 requiring all future share issuances to be uncertificated.
Existing physical certificates issued prior to Dec 18, 2025 remain valid until surrendered.
Amendment is administrative; no change to shareholder rights or capital structure.

Key facts

Extracted from this filing and checked against the source text.

Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Syndax Pharmaceuticals Inc: Amended bylaws to provide that shares of capital stock shall be issued solely in uncertificated form starting December 18, 2025, with existing certificated shares remaining in certificated form until surrendered (effective 2025-12-18).

Change: bylaw amendment
Effective: 2025-12-18

Exact text from the filing

On December 18, 2025, the Board of Directors of Syndax Pharmaceuticals Inc. (the “ Company ”) approved amendments to the Amended and Restated Bylaws (the “ Bylaws ”) of the Company, effective on such date. The amendments to the Bylaws provide that, beginning on December 18, 2025, shares of the Company’s capital stock shall be issued solely in uncertificated form; however, shares represented by a certificate issued prior to December 18, 2025 shall remain in certificated form until such certificate is surrendered to the Company.

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Source: SEC EDGAR

accession 0001193125-25-326961

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